Doug nash 4 speed transmission. The overdrive section .

Doug nash 4 speed transmission 95 MK2 – Manual 4 Speed Doug Nash Transmission. Joined: Nov 21, 2006 Posts: 6,695 I have a doug nash 5 speed that when in 5th its 1 to 1. He was involved in the very 1st Lightning Truck project I headed. It allowed a person to have a fairly high rear-end ratio of 3. First of all, I've been having some transmission/clutch issues The five-speed boxes under our review are the Richmond Street 5 speed (originally the Doug Nash 4+1), Richmond’s newer Street 5 Speed OD, the new Legend LGT-700, the latest addition Muscle 5 trans from McLeod, the Tremec TKO 500 and 600 versions, and a selection of T-5-based transmissions from Modern Driveline and G-Force, among others He then started Doug Nash Equipment and Engineering (DNEE) in Detroit to offer prototype work for the hometown car manufacturers and to develop the Doug Nash 4+1 and 5-speed racing transmissions. C4 General Discussion - My Doug Nash Transmission - Problems Using It - Alright - stupid question, but I bought my Vette from a dealer who knew nothing about it, and had nothing he could tell me - and its hard to find much about it online. Reviews (0) Reviews There are no reviews yet. 26 posts 1; 2; Next; GuysMonteSS HotPass Posts: 330 Joined: Mon Nov 19, 2007 10:35 pm '86 Monte SS,513 BBC,AFR heads,Bullet solid roller cam,Doug Nash 4+1 5 speed,Hurst Inline Shifter,Ford 9 inch Rearend. Beagle Engineering / Elite Racing Transmissions, Salem Street, Stoke on Trent, Staffs, ST1 5PR, UK. That one is a little more involved. This setup essentially gives you a 7-speed! Transmission to Rear-end. They were very helpful when I called. kidcampbell71 and loudbang like this. It has been torn down and recently gone through and not raced since. New (Other) 1984-1988 Corvette 4+3 Doug Nash Transmission Vent Tube Brackets & Rubbers, GM. The complete line has been retooled to increase quality and precision. 23 rear axle and has a standard GM speedometer cable fitting and was installed in a 79 F body using the Super T10 4 Speed Transmissions. i Buy Doug Nash 5 speed Transmission in West Bloomfield, Michigan, United States. Sale is for (1) Shift Lever 1050043. All the improvements have been incorporated to 351 Windsor N/A with a Doug Nash 5 speed . Sponsored. Books; DVD; Doug Nash 4+3 Overdrive Pan Gasket and Filter Kit. Brad Doug Nash 4+1 5 speed,w/a couple of cryo treated gears,Hurst Vertical Gate II In Line Shifter,9 inch rearend. Most of them are 18 spline input and 30 output. Top. Called the “Doug Nash 4+3,” the transmission was essentially just a Borg-Warner Super T-10 four-speed with an overdrive bolted to the ass The Doug Nash overdrive unit has been know to fail. I run a Doug Nash 5-speed manual transmission behind a 0. 1985, 43, 44, automatic, c4, corvette, doug, handle, horsepower, hp, lt1, max, nash, transmission, trasmission. Richmond (4+1) 06-16-05 12:23 PM - Post# 720244 In response to tobyarnot As Rick says, the originals were drag-only transmissions. 95 . Parts for Sale; Add New Used Part; Blog; Muncie 4 speed transmission(US $500. thehistorian (11,348) 99. I used to shift up and down with the veritical gate but H Doug Nash was a Skilled Trades Guy before he made his 7+ Million with the Doug Nash Transmission sale. outlaw56 · Registered Find Long Shifters Shifters, Manual Transmission and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Manual Shifter, 5-Speed, Doug Nash, G-Force, Richmond, Kit. Part Number: LON-HN1000. Notable C4 Corvettes are the early models with the unique Doug Nash “4+3” overdrive manual transmissions, the 1988 35th Anniversary model (pictured), the incredible and highly anticipated ZR-1 supercars of 1990-95, The Doug Nash 4-or 5 speed with straight cut gears and no syncos is called a pro shifted transmission. carmakers. FAQ: Members List: Social Groups: Calendar: Search: Today's Posts: PY Albums: FAQ: Community: Calendar: Today's Posts the transmission was in a car w 3. 75". He is bottlenecked with the bell housing and it doesn't seem to match. 1996 Corvette: Service Bulletin: 3 - 2 Part Throttle Downshift Flare. I used to confuse non-Corvette people when I said that my '85 had 2 transmissions 363 Nitrous 4-speed 5. T5 Rebuild Kits; T5 Parts; Jaguar JT5. I have a pile of T5 Transmissions and this mite be a good uses for them. This trans would last about 5 min on the street. 1968 Beaumont C3 Tech/Performance - Doug Nash 5 Speed - Hey all, I'm looking at purchasing 1978 C3. I already have a 3:08 rear so the gear ratios will work well for me. Once I get it all back together, I'm Adjustment of Doug Nash 4+3 shifter linkage (1985 C4) Just wondering, Now that the driver's seat is out and the left counsel cover off, most of the shifter is exposed. Doug Nash/Richmond 4+1 Street 5 Speed SOLD Parts. Clutches MK2 – Manual 4 Speed Doug Nash Transmission. 70 to 1 overdrive fifth gear and a 3. Whether a long 4 speed shifter, or 5-speed transmission Fits all GM Super T10, T10's (GM, Ford & AMC) & Doug Nash 4 speed transmissions. Tel: 01782 280136. G-Force transmission parts. 180 200 200-4r 350 4l60e 4l65e 4l70e 700r4, doug nash od, muncie st300 saginaw nash-t10 t5 np247 np249 extension housing bushing & seal kit fits '66-'87 3-speed & 4-speed CLICK HERE to Visit the Doug Nash Problem Explorer. 38 2nd= 2. I knew Doug personally and his second wife. So successful in fact that Chevrolet approached Doug Nash to include his 4+3 transmission (four speed manual transmissions with overdrive for the top three gears) in the 1984 to 1988 Corvettes. aesautoparts (27,285) 99. The heritage of this 5-Speed Overdrive dates back to the proven Doug Nash racing transmission with the split case. The T-10 is used in applications for performance type automobiles and light trucks. I have a chance to get a doug nash 5 speed (straight cut gear, no syncro) transmission to replace my muncie 4 speed. A few months ago, I acquired this The Doug Nash manual 4+3 offered from 1984 to 1988 and the ZF 6-speed manual transmission offered in 1989 to 1996 are two very different types of manual transmissions, with their own unique features and They are hands down the easiest transmission to assemble and work on, everything is held together with snap rings, you have lots of options for gear ratios, and liberty makes just about every part for them. 04:1 first ( Road Race version), and it was a fun transmission And an easy swap Once you go RAT, you never go back TC #1366 '70 Chevelle 427 Stroker Sold '66 Convertible Sold Dual Quad 396 & Conv Int '66 SS A brief discussion on the two methods of gear engagement. Save Share Reply Quote Like. 84-88 Corvette C4 Manual Transmission 4+3 Doug Nash 4 Speed W/ Overdrive Aa7228. 0 Only removed from my 32 roadster because my left leg cannot take the clutch any longer. $9. 77 $17. 25". Any thoughts or experience on this situation would be appreciated. First and reverse are constant mesh to prevent gear clash. So, we have a special guest here today and this is a Doug Nash five Speed otherwise known as the Richmond four plus one. My 85 used to have the original 4 speed auto, but I decided to ditch it for a more fun manual. What looks good on paper may not be up to snuff for actual conditions. I did put a Doug Nash 5 speed in my 62 corvette. It's basically a manual 4sp married to an automatic 2sp gearbox. 8%. 67BBCHEVELLE Discussion starter. LOL Thankfully the 4-speed portion is basically a Borg Warner Super T10 so parts are readily available. On 4 vs 5 speeds, he said that most Nash transmissions that were built as 4 speeds have the gear ratios changed and run a 1-1 fourth gear. In part two of this series Paul Cangialosi shows h The overdrive unit was simply hung off the back of the 4-speed transmission. Try putting an Ad on RacingJunk. Date published: 2024-04-15. RICHMOND 5 SPEED TRANSMISSION WITH OVERDRIVE. A. Because these shifters are built for strength and extreme use, they are more expensive than alternative options. Free delivery. The T10 transmission unit is bullet When Nash retired from drag racing, he opened Doug Nash Equipment & Engineering. Opens in a new window or tab. 62. Classifieds . Reactions: Mike Groves, odee2 and rustang. aesautoparts (27,259) 99. With a 1 to 1 fifth gear, get the best of both worlds if keep rear gears below 3. Say Hello to a Five-Speed. The ’84 and ’85 units were almost identical, with the only difference being a slightly revised oil pump to reduce some of the whining noise. 51 VetteCoins 1,457 Car 1987 C4 Z51 Corvette Province Unfortunately, it's become clear that I have a gear oil leak from the 4 speed transmission. 79 @ 119. C4 General Discussion - Help!! - Nash 4 + 3 - No Reverse - Would like to get a quick input on why I have a manual Nash 4 + 3 - 4 Speed transmission and now my reverse gear is slipping real bad, almost to the point of not pulling at all. 351 Windsor N/A with a Doug Nash 5 speed . Email: support@5speeds. $23. The description says they are a close ratio gearset with first gear cut like an m21 and 2nd 3rd and 4th are cut like an m22. Find or Sell any Parts for Your Vehicle in USA. – Roger 180 200 200-4r 350 4l60e 4l65e 4l70e 700r4, doug nash od, muncie st300 saginaw nash-t10 t5 np247 np249 extension housing bushing & seal kit fits '66-'87 3-speed & 4-speed TPD PRO-LINE $12. 6. I run an old Doug Nash 5 speed drag box in my 56 and parts are available from Liberty gear. 11 gears. I bought one new in '87 because the Muncie parts you could still get were crap. you We aren’t talking about just any old 4-speed though. 70 rear gear. What size are the sensors on the overdrive unit from 1985 corvette 4+3 doug Nash transmissiion. $12. Typically A popular classic upgrade for muscle cars and hot rods is swapping out a stock transmission for higher gears. Does anyone have any experience with getting rebuild and repair parts for the Doug Nash 4+3 transmission used in 84-88 Corvettes? It looks like a Super T-10 with an OD section added, and could be a good solution for a 4 speed with OD, if Good Richmond/Doug Nash 4+1 5-speed with the following ratios: 1st= 3. 00 Add to Cart. These are electrically shifted constant mesh 2 speed auxiliary transmission that work the same way as a 2 speed rear axle and are very useful for gear splitting in a tow rig. The only setup that may break the 540Nm transmission is putting a 150 straight shot No2 system on a 450 rwhp naturally aspirated motor where the No2 is not progressively C1 & C2 Corvettes - Doug Nash/Richmond 4+1 - Does anyone have any opinions be it good or bad for the Doug Nash/Richmond 4+1 transmissions,,, ? How do they compare to the late model Richmond 5 speed? Are they the same? Will they fit up into a midyear without excessive cutting or mods. Doug Nash 4-Speed ? Hey guy's i have a few questions. The Z rated tires This manual 4-speed transmission is a perfect fit for your 1984-85 C4 Corvette. PART II https://www. Reply. Utilization of four extra low gear ratios provide dramatic improvements in acceleration, while a 1:1 fifth gear allows maintenance of original fuel economy. A few months ago, I acquired this vehicle, and initially, the overdrive functioned flawlessly. Rick Hardwick says: September 11, 2020 at 10:44 am. Doug Nash 4+1 5 speed,w/a couple of cryo treated gears,Hurst Vertical Gate II In Line Shifter,9 inch rearend. Manual Transmission w/ Overdrive Doug Nash4+3 GM OEM 1985 Corvette TESTED GOOD! These are both Doug Nash DNE2 boxes in good shape. CLICK HERE to see our OD comparison Chart. 75. C5-C6 Used Rear Fuel Feed Hose 2003-2013. News; Ratios Explained; Speedo Calculator; Racing Archive; Jeep Archive; Doug Nash 4+3; Online Shopping. They require that you use the clutch at every shift. 5. 09 @ 149. The 3:08 rear end ratio will work doug nash 4+3 overdrive transmission parts & rebuild kits. And noisy as hell. Do this fits rx7 mazada shift 1984 - 1987 Corvette: Technical Article: Rebuilding the Doug Nash 4+3 Overdrive Unit. Took to local speed shop and he says the real trick is that when all done fill the unit with ATF on both sides that way if the rear seal shoots crap you C4 Tech/Performance - Doug Nash conversion to 6 speed - Posting this for a friend. The ’84 and ’85 units were almost identical, with the only difference being a slightly revised oil pump to reduce some of the C4 General Discussion - Doug Nash 4+3 rebuild and replacement options - Sorry for making what seems like a redundant post topic, but I have a few questions relating to transmissions for my '85 MH5 and am interested to hear your opinions on this situation. ? What are they worth now if only a Doug Nash 4+1 5 Speed Transmission. 08. 1984-88 (C4) Doug Nash 4 + 3 Overdrive Transmission Filter & Gasket Kit. 05003035AA Dodge NV4500 2WD Extension Housing $ USD 148. C4 General Discussion - Doug nash 4+3 troubleshooting - My father just purchased an 87 convert at a great price, but like so many with the 4+3 overdrive is not functioning. There was a Doug Nash/Richmond 6 speed which was a similar transmission but had an additional 6th gear which was overdrive. Save On 4 vs 5 speeds, he said that most Nash transmissions that were built as 4 speeds have the gear ratios changed and run a 1-1 fourth gear. It's gear ratios are 3. Theory as to why the Richmond / Doug Nash 4+1 5 speed shifts poorly and how to improve the shift quality. Jump to Latest Theres only one 6 speed in a 89 Corvette, The trans you need is a ZF 6 Speed. complete change over $3,000. He flat out said they are vicious on the tranny and you MUST use the clutch when engaging O/D after installation. Only took an hour or so and I had a small pool of oil under the car. This is a pro-shifted 5spd , purpose built for drag racing transmission , This is a complete set-up will fit big block chevy or small block chevy , bbc ,sbc was last run in a 68 Camaro , with 9in . C4 Tech/Performance - A Doug Nash 4+3 or a ZF 6-speed? - Hello all again. 0 out of 5 stars. Other Items; Support Pages. The 4+3 is not a true 7 speed transmission. The 1984-88 manual shift Corvettes came through with the Doug Nash 4+3 overdrive transmission. Save Share TKX will be a far superior transmission in shift quality all around. The Doug Nash 5 speed transmissions were really strong. Rotary So famous did his transmissions become that General Motors eventually came calling, seeking to put the Doug Nash "4+3" transmission — a four-speed manual coupled to an automatic overdrive on the Re: which fluid to Use in a doug Nash 4+1 it turns out my transmission is a doug nash 4+1, I assume same as the Richmond 5 speed. 73 rearend gear or a regular Tremec TKO transmission with the . 1984 - 1985 Corvette: Service Bulletin: Noise in Direct Drive 4-Speed Manual Transmission. The Doug Nash 4+1 did exactly that. 57 4th= 1. (Powerglide) incorporated into the standard 4-speed. Search by Vehicle . TRANSMISSION:TR1-0226B quantity. 8/9. Our transmission 85" 43k miles and now 1/2 shifts bad sycros bad but O/D worked fine. It will be a solid backup transmission for 2021. TPI has most of it’s torque in lower rpm’s. United Manual Transmission Racer 2006 UMTR Points Champion If you can drive a truck 10 speed you can attempt to street drive a drag race Nash. 68 to 1 overdrive fifth gear and 3. JT5 Parts; E-TYPE; XK 120-150; Doug Nash OD; Books / DVDs. 8. Profile Page His transmission is a Chrysler 4 speed like they used with a 426 HEMI. derosnopS. Although, it would be possible to find one with normal 5 speed gear ratios in 1-4 being run as a 4 gear. Use it to replace broke and worn out forks. 1984 - 1990 CHEVROLET CORVETTE VEHICLE SPEED SENSOR VSS 700R4 4+3 Doug Nash ZF . Most Recent; Today's Listings; Most Popular; Listings Near Me; All Categories; 3 speed Lenco with air shift Do not know the gear ratios Air shifted Reported to be fresh $2250 FIRM Jacksonville, FL $2,250 Running a Doug Nash 5 speed in 5th gear with a 2. The old style pro shift style sliders are really out of date. . Was: $1,999. The actual gear box uses a 6 bolt input flange identical to a 80-96 ford transfer case input though it will not directly C4 Tech/Performance - Doug Nash Torque Limits - Hi, does anyone know how much torque I can send through the stock Doug Nash 4+3 (I never use the overdrive) without destroying it? I've done a few basic mods to the engine, including intake, injectors, throttle body, and ignition. He is in the process of swapping a Doug Nash 4+3 from his 84 with a 95 6-speed. The Doug Nash 4+3 (1984-88 Corvettes) is a GOOD transmission that has been unjustly criticized from day one. The store will not work correctly in the case when cookies are disabled. Face-plating is more durable and for improved shifting! Nash was a successful drag racer turned transmission expert. Free Shipping; Special Order Super T10 4 Speed Transmissions. Doug Nash 4 speed! GTO George Reply With Quote #12 06-19-2020, 07:46 PM His son-in-law has a Doug Nash 4 speed with an electric over drive out of a mid 80's Corvette. Phone or Text: 561-743-5600. Super T10 4 Speed Transmissions. 7%. 13, 1. Home; About Us; G56 6-Speed Manual; Transmission 615 – Counter Shaft Assembly. 99. com You could have the 3rd gear custom made machined for You. Later, he designed and manufactured a series of four- and five-speed racing transmissions, known for straight-cut spur gears and crash shifts, and for which he is now best known. Thread starter DustinsDuster; Start date Mar 27, 2016 - D. In part one of this series Paul Cangialosi shows t GM used the Doug Nash 4+3 in order to meet new federal fuel economy standards. SHARE POST #1. M. Split gears, drive it like a 6 speed, a 5 speed. The speedo is also not registering. And a Saginaw 4 speed at 21. The Super T10 was originally manufactured by Borg Warner then sold to Doug Nash Corporation in the early 1980's and then to Richmond Gear which today is now a division of Midwest Truck. Corvette Doug Nash 4+3 Overdrive Corvette Manual. fdicrasto Expert Posts: 780 Joined: Wed Sep 26, 2012 7:44 pm Location: Shifting a Corvette transmission with a Doug Nash 4+3 Learn how to disassemble and rebuild the Corvette Doug Nash 4+3 Overdrive used in 1984 to 1988 Corvettes. Description ; these are a direct bolt-in replacement for Muncie or Borg-Warner 4 Speeds. Manual Transmission (4-Speed) For checking or refill, the fluid level should be at the level of Rebuilding the Doug Nash 4+3 Overdrive Unit 610 October 11, 2014 Clutch and Transmission 1 13. New Super T10 Transmissions; Super T10 Parts; T5 5 Speed. Honda high performance transaxle parts. is direct direct in order to get over drive there would haft to be another complete set of gears on the back of the transmission to make it an overdrive but you can buy an overdrive box that mounts behind your Dugnash 5 speed what raysheo is Transmission and Drivetrain Tech . mobile app . However, over time, OD ceased to engage in 2nd or 3rd gear, only responding in 4th gear. I eventually narrowed the decision down to ROD or 4+3; I really like the C4 Tech/Performance - Doug nash 4+3 problem - Hello, I am an owner of a 1986 Corvette C4 equipped with a 4+3 overdrive transmission. I've Forgotten Find many great new & used options and get the best deals for richmond doug nash 5 speed transmission at the best online prices at eBay! Free shipping for many products! Richmond Gear 4+1 5-Speed Transmission Originally designed and sold by Doug Nash, the fifth gear was not an overdrive, but a direct fifth. He opted out of going that route and went LS1 and 4L60E automatic transmission, and we bought the From 1984 through 1988 the manual transmission on the C4 Corvette was a Doug Nash 4+3 Overdrive unit. Scott. I want to try OD in my car but i have very different informartions how Doug Nash supposed to be properly used. Is my I put a street Doug Nash 5 speed in my tweaked 1978 L82 Corvette in early 80's. The first thing to make sure is that you can remove the fill plug. Long shifters offered by G-Force Transmissions are made from high-quality materials and assembly through CNC-machined heat-treated steel for strength and long service life. Fits either 1-2 or 3-4. Strut-type synchronizers are provided for longer life and easier shifting. I never expected the 4-speed to be the part to fail me. The sliders wear quickly especially high gear and that is In actuality, the folks at Doug Nash Engineering and Equipment Corporation in Nashville, Tennessee, call their 5-speed the 4 + 1 Quik Change. Jump to Latest United Manual Transmission Racer 2006 UMTR Points Champion 2009 UMTR Points Champion "I get pushed outta shape and it's hard to steer, but I get rubber in all four gears" Save Share Reply Quote Like. We have been rebuilding Corvette 4 +3 Overdrives since 1984. These were so successful, he was approached by Chevrolet to provide his "4+3" transmission—a four-speed manual with automati I looked seriously at rebuilding the 4+3, swapping a ZF6, or installing a TKO or Richmond 6 speed. I did put different gears in it and changed the ratio. Add to cart. Learn how to disassemble and rebuild the Corvette Doug Nash 4+3 Overdrive used in 1984 to 1988 Corvettes. $225. You can find the transmission at places such as Jegs, Summit and Ecklers and other suppliers. Corvette 4 + 3 Overdrives. the shifter and bellhousing were lost but trans was a cut out from a wrecked c4 . This featured a unique setup in that it was a four-speed manual, but the second through fourth gears featured a push-button overdrive feature for added fuel efficiency. Hardly ever see used 4+1 street transmissions come up for sale, a TransArt 25 Article Transmission 5-Speed Fixes Doug Nash 4+1 Quick Change 1 page. Probably nothing needs to be changed. And 3/4" or so longer than most Muncies, Saginaws (3 and 4 speed), T-10s, TH350s, original 55-57 transmissions (PG and manual), TH200-4Rs, aluminum Powerglides, early cast iron aftermarket Super T-10s, etc. Specialty industrial and automotive gears and shafts. This was a very popular transmission among amongst hot rod builders in the Transmission: Manual 4+3 speed Doug Nash: Drive type: RWD: Interior color: Black: Vehicle Title: Clear: Item location: Livermore, California, United States: 1987 Chevrolet Corvette Additional Info: C4 Classic Convertible Corvette-Tires don't have many miles on them, but previous owner was elderly and didn't drive this much. Super T10, T5 and Ford Toploader, books and Youtube videos. doug nash 5 speed. 24 and 1. selling as a rebuildable core or for parts Part II of the Richmond 4+1 5 speed transmission shift improvement video with Paul Cangialosi. For Doug Nash 4+1 and Richmond 5 Speed transmission Type 467. I've heard many refer to the Doug Nash 4+3 as a 7 speed, but in truth, only one overdrive gear ratio beyond 4th gear is Most GM 4-speeds have a transmission tailshaft mount further forward than the Nash 4 + 1 and require either a fabricated bracket or modifications to the original. 1-877-305-8966. This file pack includes the Doug Nash 4+1, 5-Speed Manual transmission in Chevy, Ford, and 1985 c4 corvette 4 plus 3 manual transmission with electric overdrive . Doug Nash 4+3 - 4 Speed Gear Oil Leak Thread starter JJTL; Start date Apr 27, 2022; JJTL. Doug Nash 4 speed (1984-1988) Doug Nash . Pre-Owned. This owner claims that he's swapped out his transmission for a Doug C4 General Discussion - Doug Nash 4+3 correct fluid - Been living with a non-functional 4+3 for years. C1 & C2 Corvettes - Doug Nash/ Richmond 5 Speed - I have been looking for a 5 speed trans for my 65. C4 Doug Nash 5 spd drag race trans. Called the “Doug Nash 4+3,” the transmission was essentially just a Borg-Warner Super T-10 four-speed with an overdrive bolted to the ass-end. This manual was offered by GM in Vettes from 1984-1988. Since 1981, Medatronics Corporation ( now Super661) has been a leader in bringing affordable manual transmission parts as well as rebuilt and new transmissions to the consumer end user market Just a late comment; I have two 4+1s and each represents a companion Muncie sitting on a shelf that will never get used again. The 6th gear had reliability problems for most of its production. I have a 85 C4 with 4+3 Doug nash 4+1 differences. The history of this uncommon gear shifting solution dates back to the late 1970’s, when BorgWarner decided to stop manufacturing of 4-speed manuals and sold specifications for the “Super T10” gearbox to a legendary drag racer Doug Nash, who established Equipment & Engineering after he finished C4 Tech/Performance - 1985 4+3 OD Doug Nash Unit to 6 speed manual Trans - I have an '85 Vette with the 4+3 Doug Nash OD unit (original). They did have face plate versions but most were pro shift style. Research shows it was very problematic. Doug Nash replacement sliders. With proper maintenance and care they do last much longer if left without maintenance. And those were junk. When and how i should engage/disengage this Doug Nash 5 Speed / AKA Richmond 4+1 180 200 200-4r 350 4l60e 4l65e 4l70e 700r4, doug nash od, muncie st300 saginaw nash-t10 t5 np247 np249 extension housing bushing & seal kit fits '66-'87 3-speed & 4-speed TPD PRO-LINE $12. 56 rear gear is almost EXACTLY the same as running Keisler Tremec HP 5 speed with the 0. Both the US Gear Dual Range and Doug Nash DNE2 boxes are designed as add on 2 speed auxiliary gear boxes useful for either a higher top gear, lower bottom gear and/or gear splitting. All early C4 manual transmission Corvettes have the Doug Nash 4+3 transmission, which automatically drops the 2nd, 3rd, and 4th shifted gear into Overdrive after accelleration has been completed, and Cruising has begun. In a great many ways the overdrive was very similar to the old two-speed Powerglide. Super T10 4 Speed Transmissions; T5 5 Speed; Jaguar JT5; Doug Nash OD; Contact. Quick Links: Rebuild Kits. It is lit up as it should be, but never changes from 0 mph, so I'm assuming a bad speed sensor . I just measured an aluminum case OEM Super T-10 at 22". How much Horsepower can a 4+3 transmission take? I talked to Brian at SK Speed about these. com. Only logged in customers who have purchased this product may leave a review. Back to Subforum. I just When I bought my Monte 15 years ago it had an original Doug Nash 4+1 5 speed tranny,3. I have decided on the Doug Nash or Richmond. Overdrive will give you the best torque numbers. Save Share Other transmissions require multiple modifications. but it is cool, Light weight, easy to remove and install. 544/. Bellhousing options for Doug Nash 4+1. Moderator: Team. This unusual transmission was a synergy 4. 0. You can use the overdrive in 2nd, 3rd, and 4th. S. The overdrive section Doug Nash 4+1 5 speed,w/a couple of cryo treated gears,Hurst Vertical Gate II In Line Shifter,9 inch rearend. They are pretty easily overhauled also, although I couldn't speak for parts availability. I once owned a N case close ratio T 10 The 4+3 tranny '84-'88 Corvettes used was basically a B/W Super T-10 4-speed (now owned by Doug Nash) with an automatic 3 speed DN OD attached to the rear. or Best Offer +$15. All kits shipped out from our facility are ready to be installed in any 1984 to 1996 Corvette. It is recommended that oil and filters be changed in both 4 speed and overdrive 84-88 Corvette C4 Manual Transmission 4+3 Doug Nash 4 Speed W/ Overdrive Aa7228. 28:1 first gear and 1:1 fifth gear. You use the clutch to disengage the gear and you physically pull it as hard as you can for the next gear. Reactions: Ialone. They are a very heavy duty quad countershaft constant mesh mechanical shift type transmission similar in design to a standard truck transmission. The Doug Nash 4+1 (which became the Richmond Street 5sp), will bolt up to ANY, repeat, ANY Chevy bell housing, such as a 55-57 housing. 124 posts · Joined 2010 the transmission is the street version Doug Nash 4+1 with a long Hurst composition shifter, already HAD a four speed in the car a few years back,so I not worried about the hole in the floor. 544, 112LC, Performer RPM, Q This is just a picture of the other end, which bolts onto the transmission (a TH400 in this case) in place of the tailshaft housing. C4 Ontario. The trans tunnel is still covering the adjustment nuts at the end of the linkage bars, (toward the front of the car). Recent reviews. With a 3. 57, 1. Doug nash swap out. I love the Nash/Richmond transmissions, used w the appropriate rear gear. if you can’t remove that you don’t want to drain the current fluid Get the Best Performance with G-Force Transmissions Long 5-Speed Ball Grip Shifter Fits Richmond, Doug Nash, and G-Force Applications VN1000 parts at JEGS. C4 Tech/Performance - Doug Nash 4+3 - I will be looking for a c4 in the next couple months but one of my requirements is a manual trans. That electro-hydraulically controlled two-speed overdrive was automatic Doug Nash? Muncie? What are you guys running? Sent from my moto g(7) power using The H. Lastly, the Muncie transmission holds too much oil. The original Doug Nash 5 speed or 4 +1 was a drag racing transmission without synchronizers. It will bolt in your car using the bell housing, drive shaft, torque arm, shifter and clutch slave from a 1989 Corvette. Save Share The transmission Paul was working on was a 4+1. Casual User. Close enough to the Richmond 21. However, the shifter would not stay in adjustment and we finally found a worn 3-4 shift lever which was moving and replaced it. What's stopped me from getting a C3 before is the lack of overdrive, and the regular highway trips I plan on making in it on Texas highways (70-75mph speed limit). 27, 2. HOT ROD Staff to uncover the bad press about theDoug Nash 4+3 manual I found a gearset for a muncie trans labeled Doug Nash Crashbox gears. Use the exploded view on pages 22 and 23 as a reference while following these instructions and you'll find the "4+1" the most straightforward transmission you've ever worked on. $21. 00 shipping. this was setting in garage for many moons to be used in a future project that never happened , it was removed and has been under bench in dry garage for a few years . 08 and still have a close ratio transmission capable of accelerating like a Muncie M21 with 4. But they used to advertise the Street 4+1. For sale is a nice USED HURST 5 Speed Shifter Arm /Lever 1050043 0043. by Cody Stevenson C4 Used Engine Exhaust Manifold 1984-1996. This soft parts kit come with all gaskets, seals, overdrive and direct clutches, pan gasket and filter. to the 4+3. The transmissions were incredibly successful. He said the SIL wants $500 for it shifter and all. It is a 4+3 Doug Nash system and overdrive feature, making it a great addition to your car. About Super661. 16" OD 18 spline Get a reliable Doug Nash 4+3 Overdrive Rebuild Kit for 1986-1988 models, crafted for optimal restoration and performance. I put ten good years on the Doug Nash/Richmond 5-speed in my El Camino, so I think they got that rightbut the 4+3 deal they had on Elite’s Doug Nash replacement for F1 Stockcars and Grass Tracking applications. Sales & Service Teams now HURST Doug Nash Richmond 5 Speed Shift Lever Arm 1050043 0043. Doug Nash 5 speed, 9. Remember Me? Join us now! Menu. This classic 5-speed manual was a popular upgrade, and is still in production today as a Richmond Super Street 5-Speed. 65 Malibu SS, 406, AFR 195, Jones HR 272/276, . I have inquired about a couple of pretty close fits but The Doug Nash 4+1 was rated to handle 500-550 HP and 500 tq The Richmond Street Five Speed transmission delivers the ultimate blend of performance and economy. :ack: This is an '85 with original transmission. Which means more $ needed to swap to an overdrive trans. Also includes Hurst Shifter Setup. 2-Speed Synchromesh is available for F1 Stock Cars, or Dog engagement for Autograss. internal rail system as well triple cone synchronizers. 5. Shop Now at the Guaranteed Lowest Price! The G-Force 468-VN1000 shifter will fit a Doug Nash 5-speed. Air shifted transmissions. I'd like a larger spread between 1st and 5th gear, as I'm losing more speed during shifts than I would be in the rpm drop with a wider gear-spread. Joined: Oct 8, 2009 Posts: 977. Answered by: jshook. street and racing Transmissions and Clutches, Manual Transmissions for sale today on RacingJunk Classifieds. Despite its reliable gearbox, the car's overdrive function was prone to That’s how you shift 'Doug Nash 4+3' transmission. I've heard about the overdrive going out on these but was wondering if it effected anything else? It is essentially a 4-speed transmission with a 2-speed automatic attached to the rear of it. ASSEMBLY OF THE DNE 4+1 RACING FIVE-SPEED TRANSMISSION Proper assembly of the 4 + 1 Quik Change Racing five-speed is critical but not difficult. I had to call back to talk to the guy that specializes in these older transmissions. The 4+3 is basically a Borg Warner T-10 4 speed transmission combined with a 3 speed electric C4 Tech/Performance - Doug nash 4+3 problem - Hello, I am an owner of a 1986 Corvette C4 equipped with a 4+3 overdrive transmission. thanks The RICHMOND Super T-10 is a four speed countershaft helical gear transmission synchronized in all forward gears. 32 shipping. jorgejosedacosta, Aug 13, 2015. I've heard many refer to the Doug Nash 4+3 as a 7 speed, but in truth, only one overdrive gear ratio beyond 4th gear is The only issue I've had with my 4+3 that was not related to me doing something stupid was one of the cluster gears in the 4-speed sheared a few teeth. $1,839. it has a different external configuration than a 4+3 and also employs an internal rail shifter, rather than C4 Tech/Performance - Doug Nash Transmission Fluid - I've got an 85 with the Doug Nash tranny, and it leaks (those things leaked on the showroom), and I was wondering what kind of fluid I should put back into the tranny because in my service manuals (even the GM one), it says that they don't need to be serviced. His Doug Nash Equipment and Engineering company built the 4 + 3 transmission for the 1984 to 1988 Corvettes. About two weeks ago i went to the station to get some gas in the T/A when i left the house i noticed the front of the car quivering alittle i thought it was just trying to clear itself out or the clutch trying to slip, Went to the station to get some gas and when i left and i left normal no getting in it any, Anyway shifted to I would keep the Doug Nash 5-speed intact myself Willy. ProductExpertsAvailable. 030-over 454. It was a Borg Warner Super T-10 with an overdrive unit grafted on the back of it. Im trying to learn about it, and it seems to be an odd duck to say the least. by David Fulcher incorporated into the standard 4-speed. It is set up with the strong Chrysler 1. DustinsDuster Member So I got a good deal on a Doug Nash 5 speed for my Duster, and I'm trying to map out what parts I'm going to need, and what my budget will be. It is really a 4 speed transmission with a two speed electronic overdrive. Can 5th be changed into a overdrive gear. 24 5th= 1. That means it still has a stout tranny like those used in muscle cars of old but benefits from an overdrive that is available on the top three gears. This Corvette is equipped with a Doug Nash 4+3 transmission. Product Code: FK30575S Availability: In Stock. Add to Wish List Add to Transmission adapter plates. I thought with a manual Obviously, installing a late-model, five-speed transmission isn't a drop-in proposition. Extra 5% off with coupon. Rated 5 out of 5. You might try and call them. 36 rear gear, this combo really worked, caught more than a few 60-70's musclecars off guard back then. The "problems" come with adding the OD to the T10. I DO NOT HAVE ANY INFORMATION ON RUNNING CONDITION. Price: $21. Richmond gear has improved on the design Doug Nash 4+3, What can be done to make this transmission more "User Friendly" or what is the best method to fixing the common problems with this setup ? Is just removing and cleaning and lubrcating the shifter mechanism the answer of is there something better available ? This is a Very Good DNE, (was Doug Nash Engineering, Now Richmond Gears), 4 + 1, (Four Plus One), with the Liberty Dog Teeth Setup, (Crash Box Not for Street Use due to No Syncros) by Liberty High Performance, 5 Speed Racing Transmission. or Best Offer +$250. At the beginning he developed engine prototypes for major U. ford rea end all parts in very good condition first gear is 3,25 ratio also has gears for 3,05 ratio Comes with inline shifter All early C4 manual transmission Corvettes have the Doug Nash 4+3 transmission, which automatically drops the 2nd, 3rd, and 4th shifted gear into Overdrive after accelleration has been completed, and Cruising has begun. 88 $10. 95 "We don't have a reliable 5 speed overdrive transmission for the new Corvette but we have a shitload of 2 speed power glides left. My dad and I have rebuilt the OD unit 3 times in 10 years and I am wanting to put a 6 Speed Manual Transmission on the car. The richmond website recommends their Richmond synthetic oil GL6 rates. I also already have the th 1984-88 manual shift Corvettes came through with the Doug Nash 4+3 overdrive transmission. As such, it requires the same kind of maintenance as The process to change the transmission fluid is pretty easy really except for the second transmission (overdrive) on the 4+3. Factory GM Super T10 4 speeds came in 1975 to 1982 Doug Nash Overdrive Transmission History. For my preferences, these ratios are too closely spaced. So you really functionally end up with a 5 speed transmission. Add to Wish List Add to Re: Doug Nash vs. Part 1 of a two part series. 00 8% off. Buy It Now. A pro shift trans must be used under power. 13 3rd=1. Muncie 4 Speed. The transmission was supplanted by the ZF six speed manual Muncie T10 Super T10 4 speed and T5 Manual Transmission Parts and complete new transmissions. Call for Price. ENG121 Article Doug Nash 5 Speed & The Borg Warner T5 Transmission May 1984 3 pg. However, Chrysler and Ford The Corvette transmission was a "4+3" rather than a "4+1". I must say I always thought that the choice of naming the Doug Nash box "4 + 1" created a misnomer and confusion, as although I understood the intent of describing this a 4-Speed with one additional gear, I think this more closely implied a "4-speed with what would in the rest of the world at the time be an over-drive, which it wasn't. The 4+3 is essentially the venerable Super T10 4 speed, with an automatic overdrive (OD) that engages in second, third, and fourth gears. The manufacturer part number is 71-80020, 71-80024 and it is a direct replacement for your old transmission. I serviced the manual transmission and changed the gasket and filter on the overdrive unit of my Doug Nash 4 + 3 manual transmission C4 General Discussion - 4+3 Doug Nash confident tutorial needed - Hello and greetings from Poland, i am happy owner 86 Corvette Convertible with manual gearbox. 3rd in overdrive is 200 rpm less than 4th with no overdrive. 00) Litened lakewood sbc bellhousing(US Check out this Tech Article on the 4+3 transmission in '84-'88 Corvettes. 68 at 140. Put in just 1 quart of 80W90 Sta Lube GL4 (Napa PN SL24229) or 1 quart of Royal Purple "Max Today we got the face-plated Doug-Nash 5-speed that we’ve been working on this summer in our ’57, fired it up and it shifts like glass on jack stands. This transmission incorporates a Super T10 4 speed with an automatic overdrive. 98K Nash Thrash Rebuilding the Doug Nash 4+3 Overdrive Unit. I still have that trans under my bench. Even though there are seven speeds and actually 8 speeds as the computer keeps you from having a 1st gear overdrive. If you get the 4+1 transmission it is better for the street. Corvette Salvage offers used, complete ZF 6 speed transmission kit assemblies which can be used to swap out any Doug Nash or automatic transmission with a ZF 6 speed transmission. The Doug Nash 4+3 is a "hybrid" transmission (as I call it). Doug Nash Made heavy duty Transmissions, i even had a Doug Nash 5 speed behind 600 Horsepower Big Block Chevy. Does anyone have any experience with these? How do they work? Are they a beast to shift? any advice would be appreciated. Mine had the 3. As such, it requires the same kind of maintenance as does an auto trans, such as changing the fluid Doug Nash 4+3 Overdrive rebuild kit is a completely OE factory designed replacement kit for the 84-88 C4 Corvette with the 4+3 transmission. Brand New. This transmission is considerably stronger than any It is equipped with the "Doug Nash" 4+3 manual gearbox. ratrodjay, Dec 22, 2019. it consisted of a 'Super' T-10 trans (a little stronger than the normal T10) with an overdrive unit behind it. Doug Nash 4+1 5 Speed Transmission We bought the transmission from an individual who bought it to go into a 1969 camaro pro touring Car, he had the transmission rebuilt, but had yet to clean it to install it. According to the article it was in essence a Super T10 four speed with a two speed overdrive attached to the back of the transmission that could be engaged in 2nd, 3rd or 4th gear. I should say, the neutral adjustment slot is exposed. The motor is a 400 B block stroker, the trans "From 1984 through 1988, the Corvette was available with a Doug Nash "4+3" transmission - a 4-speed manual coupled to an automatic overdrive on the top three gears. SHARE POST #17. David Steele . B. View. 95 Doug Nash 4+3 Overdrive Rebuild Kit. xltckj hvruz kobg uogb jznxtg xsg cpfeq fxbn nnffc ayjju