Description Automatic 3-Speed TH 350 6 Tailhousing. Home Forums > Chevy & GMC Trucks by Year > 1967-1972 > Gear Vendors 350TH Overdrive. I had been lusting for one of these units for a while (I priced the new units at close to 3K :- ( ) Registered User. Install price - $750.00* *Typical install & drive shaft modifications. . The Gear Vendors offers a 22 percent overdrive, turning our 373 gear into a 2.91:1 final drive. May 12, 2012 Got my Gear Vendors O/D unit on the floor of the shop. One thing to know GM in the '80s actually had some Camper Specials 1-tons that came with Gear Vendors units factory on a TH400 (The Holy Grail for this swap) Last junkyard part I needed was a longer tailshaft for the Chevy TH400. Gearstar makes a 700R4 (and 4L60E) that handles 500 ft-lb for 4K. Quote: the 350 has less moving parts inside and is generally stronger. [email protected] I was surprised to see that alot of people did not like using a Gear Vendors for a mostly street driven car. got my gear vendors unit installed on the car finally after sitting on the shelf in the shop for the last year. There are also advantages to keeping your drive line speed lower with the 3.23 gears. I just need to figure out what I need to install on the TH350. Nov 27, 2006. The new factory six-speeds (6L45/50/80/90,) yield 6.04:1 - which is great, but these tranny's simply won't live without engine torque management, so this isn't a viable hotrodding option unless you get the tranny with the motor and all the interfacing electronics intact. Looks like I'm going to go with the GM TH350-C , that's no overdrive , just a lockup TC on a built . In any case, these days, for the cost of a Gear Vendors, one can buy and install a 4L60E that can easily take as much power & torque as any atmospheric 6.7L IronBlock LT1 can dish out. This lowered the tach readout at 70 mph from 3700 to 3100 rpm, making our Camaro SS far more freeway friendly. Took several readings to figure out the system and controls that I received. 60's and 70's muscle cars and street rods.

My LM1 engine has a mild cam I was told, forged pistons and balanced. Sponsored Links. Anyone ever think about putting a gear vendors unit on a TH350 in there supra? Because we like life in the fast lane, and certainly appreciate better fuel economy, we decided to install a Gear Vendors in the Camaro. The consensus was for guys who run 4 series gears or numerically higher was for a well built 4L80E, 200-4R, or 700R4/4L60 with 4L65 internals/upgrades. The F100 has a BBC454/TH350 & 3.89' diff gears; theoretically, this unit will put me in the 3.00's or so. The cost is equal to or maybe a little higher than a built 700R4 or 200R4 but it also handles more torque behind a good TH350 or TH400 and since I already had . Does not include any modifications to exhaust, transmission .

This modification helps us split our gearing, which will improve our 1/4 mile time dra. 02-13-2009 #3. ponchopwr70. Just My 2 Bits Save Reply Fredsgarage I would agree, A Richmond five speed (OD or non OD), TKO or TR45 would give you the first gear ratio you need and an extra gear for a lot less. TIA , Log in or Sign up. . This means that with a 3.55:1 rear gear, the overdrive drops the effective rear gear ratio to 2.66:1. C $449.69. Both were rebuilt. I have talked to them. . over a month ago Twentynine Palms, CA For Sale Offered. But by the time it's said as done you will have well over 2k invested in a 2004r & with the gear vendors $2600 gets everything and it's capable of handling . Gear vendor at 65 MPH, 26" tires, 3.07 gears and .82 tranny gear nets 2116 RPMs . While the 3.06:1 First-gear ratio would appear to be an advantage over the TH350's 2.52:1, the downside with the deeper First is the major rpm drop in the 1-2 and 2-3 gear changes that the 700R4/4L60 force upon you. A 4 speed OD with a lock up convertor will add at least that much, and most of the added weight is where you don't want it, in the convertor. Im curious if anyone knows what would give me better fuel mileage on trips. Classic Parts Talk. Massachusetts. I have had nothing but problems with it. Trans will fit 289, 302, 351 . Nov 3, 2014.

Here is the link to the Super Chevy article on a US Gear overdrive install in a 68 . Mechanically it works fine. Jeff Smith: The physical part of bolting this transmission in the car will be easy. It uses the same first three gear ratios but adds a 0.75:1 overdrive. New FORD 5R55W Complete Overdrive Planetary Set-up 38T Sun-Gear. . Fits Transmissions: TH350, TH400 with Gear Vendors Overdrive Unit.

Location. I plan to remove the gear vendors yoke and install my old fully splined TH400 yoke, the yoke I have now is smooth for the 1st 1/2" or so. 93.5 TT Auto Supra . The distinctive double-hump accommodates true dual exhaust. 2012 SSBN/A Drag Week Winner First in the 9.60's/ 9.67 @ 139 1.42 60'. . Nov 2005. I went with a '70s model Cadillac TH400 for the tailshaft as its longer so I had enough room to respline. Veteran Member. But, the main benefit is how the unit applies overdrive to the top gear. it appears to be *much* easier to install , rather SPENDY though ! Various sizes and conditions of green as well as dessert cammies.

GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020. Dec 10, 2004. THIS video is mostly for . With a final overdrive ratio of 0.778:1, your Camaro will go 28.6 percent faster down the highway than it would without the . the gear vendors under/overdrive is an extremely heavy-duty auxiliary transmission that's easy to install, gives you a 0.78:1 underdrive or overdrive, can improve your fuel mileage up to 20. "Wovon man nicht sprechen kann, darber mu man den Mund halten." The new factory six-speeds (6L45/50/80/90,) yield 6.04:1 - which is great, but these tranny's simply won't live without engine torque management, so this isn't a viable hotrodding option unless you get the tranny with the motor and all the interfacing electronics intact. February 7, 2013, 03:47 PM. Its screaming 3000 rpm's at 55mph. Ive been eye balling Extreme Automatics 200-4r stage 2 transmission but its $2200 bucks. I always had a TH-400 in the car and I always liked it.

With a TH350 or a TH400, your car would be turning about 3,000 rpm at 70 mph. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . I would put it behind a shorty glide with a lower first gear in it. yes a stock cross member will work..i installed a gv on my 72 monte behind a th350/350 combo and used the stock cross member Quote; . Their testimonials look good and the system is very rugged, but competitors claim it is noisy (sour grapes perhaps?). I will have to agree with you regarding the manual. TH350 short, most common tailhousing length for TH350.

The good news is that either way, you win. "The GEAR VENDORS in combination with the Powerglide is an affordable, reliable, and very efficient package. 8,749. I know the 2004r has a better overdrive gear .67 versus the gearvendors .78. C6 trans with gear vendors overdrive - $3700 (Hershey) For sale a small block c6 ford transmission and j type gear vendors overdrive. The 4L80E is just a longer, heavier, overdrive version of the TH-400. 2013 SSBN/A Drag Week, Lets quit sand bagging, and let . Hello All, I did a search in Team Camaro and on the internet. Home Forums > Chevy & GMC Trucks by Year > 1967-1972 > Gear Vendors 350TH Overdrive. Will work great in classic car, a truck, or street rod. Heres how the gear ratios work out. Looking at ebay parts, I guess I'll need a Speedometer drive gear, a drive gear .

As far as a 700R4 not bolting up to where a 4L60E goes, blah blah blah, they are the same transmission guys. On the other hand . 03-10-2009 #2. sporter. Front and center at SEMA 2012, Gear Vendors won their first SEMA award in 1981. Install price - $750.00* *Typical install & drive shaft modifications. Dec 4, 2010. After years of thinking about an overdrive and which one to get I opted for the Gear Vendor. Curious if anyone has experience with the gearvendors system.

C6 kevlar band transgo shift kit extra clutches, gear vendors new drum and clutch, higher line pressure,etc. redid the exhaust to relocate the crossover pipe and i put cutouts in the car at the same time. So, the cost just doesn't seem justifiable for me. Not speedo hookups though. . Discussion in '1967-1972' started by .

Replaces 8" tailhousing. what a difference. total to the car. had to gently dimple the tranny tunnel a little to clearance two spots on the gv unit.

For an in-depth discussion on which vehicles can expect these mileage gains see our "common questions" section on the web site. $15.00 for used condition, $ 20.00 new/nearly new, $ 25.00 for new with tags. 2004R or TH350 with Gearvendor Hi guys, I am thinking about running the 2004R or a Th350 with a gear vendor overdrive unit. Really looking forward to not turning 3200 rpm at 65 mph. Well, I can get a complete kit to put a TKO 5 speed in my car for $7-800 more.. With that I get a new transmission (my M21 is decidedly not new anymore) and a new drive shaft and everything needed to install it in my 68. #8.

Hello Fellas, Just scored a Gear Vendors Unit (P-Type) for the F100, Would like to hear from some of you who have or have used these OD units . Replaces 8" tailhousing. In the end I will probably call them to confirm, but I'm leaning towards the recommendation in the install manual and going with the ATF. It needs some updating. The ratios of the M23W that I used were: 2.568:1 - 1.908:1 - 1.366:1 - 1.00:1 for an even RPM drop through all 4 gears. Classic Parts Talk. Brand New Complete Planet Set also fits 5R55S & 5R55N. Adding a Gear Vendors overdrive to your existing manual or automatic transmission gives your car the ability to stretch its legs on the highway without givin. Discussion in '1967-1972' started by . Simply put, a Gear Vendors unit . The trans is for my 1970 c-10. Does not include any modifications to exhaust, transmission . Does Burnouts. 200. Rick Johnson, owner of Gear Vendors, believes the strongest transmissions for performance cars in our range of the hobby are the TH400, TH350, Powerglide, and M21 or M22 Muncies. Muscle Car/Hot Rod/Racing 2-Wheel Drive 2/3-Speed Automatic Automatic 3-Speed 727 8" Gas Tailhousing. They really want them sold through installing dealers and allow ZERO discount and police it heavy. Replaces 6 tailhousing. However, the TH350 has a better 1st gear, is lighter, and can still be built to take a decent beating. The GEAR VENDORS .78 to 1 ratio allows you to go to a numerically higher rear gear to improve your 60ft. My TH350 is low mileage and already upgraded with 2500 rpm converter, deep sump, cooler (B&M), so I'm inclined not to swap for a 700R or TKO (yet). Too many sizes to list. Gear Vendors shop is less then 4 miles from my place, their property is always packed full of customers vehicles . I'm doing this one because I have not seen any videos that show the control head lights and how the shifting happens while driving. The TH400 and TH475 (trucks & motorhomes) is stronger than a TH350.

90 300ZX TT w/SBC/th350 swap nitrous is a good thing!!

. If you can swing the cost, I'd say go for it. I've had a Gear Vendors OD installed in a S10, 350/350 Turbo with 4.11 gears for almost two years now. In the long run it just doesn't cost you anything to own a GEAR VENDORS UNDER/OVERDRIVE. Location. The gear Vendors unit is $2500.00. Buy It Now. The 4l60 was the updated version of the 700R4, and the 4l60e was the electroic version of the 4l60. The 200-4R is 4.09:1, and 5.24:1 with a GV. The OD ratio of the GearVenders unit is .78:1 and you can engagement the OD of the unit in any gear of the manual transmission at full throttle. Rick Johnson of Gear Vendors talks about the main benefits of their Gear Vend. . I'm going to install the gear vendors and activate the solenoid manually with a momentary 12v button on the shifter. Dec 20, 2021 #6 6. Just finished installing one on my friends 67' Camaro. Top Rated Seller. The 200-4R is 4.09:1, and 5.24:1 with a GV. The gas kills me. Regular price $3,185.00 Save $-3,185.00. I'll be starting the install on it Monday. Next on the agenda is to start disassembly of what I have now. Installation is very simple in most applications as follows: Just remove the transmission extension housing and bolt on the GEAR VENDORS replacement housing which has an eight hole pattern to receive the overdrive. Wow! 2007 SBN/A Drag Week Winner & First only SBN/A Car in the 9's Till 2012. 90 300ZX TT w/SBC/th350 swap nitrous is a good thing!! I installed a Gear Vendors OD behind the TH350 in my '64 last spring. I plan on towing my car a couple of times a year. from United States. The Cutlass has been parked for about 4 years. Looks like I'm going to go with the GM TH350-C , that's no overdrive , just a lockup TC on a built . As for weight, the Gear Vendors unit adds 25lbs. Let's say you have a car with a 3.73:1 ring-and-pinion ratio and 27-inch diameter rear tires. Our unique bolt-to-frame design eliminates cutting and welding. Only show this user. Very pleased with the unit overall. Gear Vendor O/D install with TH-400 Theme . +C $39.61 shipping estimate. Elsewhere in this story we've listed the ratios of both the TH350 and the 700R4/4L60E. Adding the Gear Vendors unit was pricey but IMHO, it was stronger, more reliable, offers more ger control / selection and had better gear ratio spread than a 700R4 and maybe even a 200R4. . It's like a whole different car. I am really considering this as it is the most effiecient auto overdrive trans setup.

Easy Installation. We cover the install of the Gear Vendors Overdrive on the 1969 Camaro. My current th350 was rebuilt before I bought it and it runs great with some kind of mild shift kit in it. Regular price $3,185.00 Save $-3,185.00. It's Foolproof! . 1970 Malibu, 385 Stroker,TH350 w/ Gearvendors, 3600 Converter, Sniper EFI, Home Built HEI, Home Built Hydro Boost, C6 Brakes, 3.55 12 bolt. they were trying to convince me to do the install myself but I told them I wanted one of their dealers to do . TH350 short, most common tailhousing length for TH350. New with tags $50.00. various sizes. Replaces 6" tailhousing. For those with a Gear Vendors overdrive unit installed on their TH400 have any of you ever had any vibration issues when using the Gear Vendors Overdrive. Join Date. Thanks for any 411.

My B&M equipped TH350 in my Malibu drag car has taken a beating. This is a superior alternative for most cars looking to go to a 3-speed. In the May & June 2005 throwback thread, the saga appears to remain unfinished. Install price - $750.00* *Typical install & drive shaft modifications.Does not include any modifications to exhaust, transmission tunnel or any other custom modifications that may be required. It's a 70 Chevelle SS with a 454, TH400 transmission and a narrowed for 9" rear.

The 700 is shit for horsepower. Brand New. they will bolt up the same, as far s hardware. TH350 3-SPEED AUTOMATIC 1st 2.52 Over 1.97 2nd 1.52 Over 1.19 3rd 1.00 Over 0.78 TH375/400/475 3-SPEED AUTOMATIC Trans Ratio 1st 2.48 Over 1.93 times and get it all back with the overdrive.

I found out real quick that laying on . Just gotta save up. Muscle Car/Hot Rod/Racing 2-Wheel Drive 2/3-Speed Automatic Automatic 3-Speed 727 8" Gas Tailhousing. First to run in the .90s .80s and .70's in SBN/A.

FWIW, Gear Vendors even used an adapter that would still drive the cable speedo and feed the box that would engage overdrive at 45 mph, and I'm sure that speed can be adjusted by folks who know how. I found out real quick that laying on . I will not be using the gear vendors computer. I am some what torn between the gear vendors overdrive and 2004r.

Keep my th350 and install a gear vendor on it or buy a 200-4r that will withstand . Northern AL. . David. A G Force crossmember is guaranteed to be a perfect fit. Muscle Car/Hot Rod/Racing 2-Wheel Drive 2/3 - Speed Automatics Automatic 3-Speed TH 350 6" Tailhousing. Which would you guys go with? had a hard time picking a good spot for the cutouts 60's and 70's muscle cars and street rods. it appears to be *much* easier to install , rather SPENDY though ! so mu gear vendors unite arrived last Friday but I didn't get started working on it till Monday..keep in mind that per their instaliation instructions.a gm A body is the only gm vehicle where tunnel mods are necessary (ie banging on the tunnel to clear). I'll probably go with a GV OD for my TH350 when I finish my Chevelle restoration rather than go with a newer 4 speed OD GM trans. so mu gear vendors unite arrived last Friday but I didn't get started working on it till Monday..keep in mind that per their instaliation instructions.a gm A body is the only gm vehicle where tunnel mods are necessary (ie banging on the tunnel to clear).

The quote for a 200-4R with a 4500 stall lock up converter was $3800.00. 93.5 TT Auto Supra 95 Supra 67pte/th400 . The issues have been: failure to activate in auto mode, either no red lite (even when button is pushed per instructions), or will not . No doubt a majority of Chevy owners are already equipped with factory transmissions such as the Powerglide, TH350, TH400, 700-R4, 4L60E, M21, M22, and T-10. Genuine flight suits - olive drab $35.00 / dessert tan $45.00. TIA , Log in or Sign up. I still get a bit of a vibration with the gear vendors off in 3rd around 70 MPH, with the GV on the .