Gear vendors th400. Great for a daily driver, not for beating on.
Gear vendors th400 88-newer 4×4 GM and standard and extended cab pickups with electronic speedometer. THE PROBLEM: 70 MPH highway speed equals 2300+ RPM. chev-hell. 81 Waggy 'WILL E' Retired Right now i am researching Gear Vendors OD. 56:1. 92), which nets a small drop in final drive ratio, from 8. 74 1st gear GV Overdrive 3. Both seem to be great options, 454, TH400, NP205, 6" Susp Lift, 35" Tires , Lockers front / rear (Soon to have MJ454 Tow Motor and GV Over drive) 1999 International 4900 Crewcab Custom, DT466. The 700r4 has a lower first gear, so that's a benefit too. By adding the Gear Vendors you get to keep this I am preparing to install my Gear Vendors and have a few questions. I’m looking for some guidance on integrating a Gear Vendors overdrive unit with my TH400 transmission. Have only heard good things about these gear vendor units. Can anyone tell me about Doug Nash overdrives for TH400. Which weighs more? I have heard that the 4l80e is a pretty hefty trans, but is it lighter Our new and used Gear Vendors overdrive units for sale allow an engine to operate at higher speeds with a lower RPM. Also want good performance for the street/strip. 73 Gearing with my TH400 for Street/Hwy/ Strip use = C. This supplemental planetary This is also why all GM Callaway Twin Turbo Corvettes with automatics came with a TH400 and GEAR VENDORS instead of the 700r4 which was the base Corvette trans. 3 with a T400 Considering either adding Gear Vendors Or Johns kit w the 700R4 Note, my gear ratio is presently sitting at 4. GEAR VENDORS 800/999-9555 619/562-0060 www. 04 Third = 1. 20 would only be when you are on the Hwy ! If you look at my Sig you can see I like a 3. At about 2600 dollars (depending on model) the GEAR VENDORS is not the cheapest way for you to get overdrive but is by far the best. Actually I read the whole thread he was trying to get a 6 speed automatic from a th400, and he had finished interior. 08 with the TH400. transmart4x4usainc (1,336) 100%. 10 Gearing is what your Trany will using most of the Time for Street Driving / TH 400 1st to 3rd even if you do some splitting of Gears with the Gear Vendors OD since your Overdrive of 3. Save your money and purchase the gear vendors unit. Even went so far to take the TH400 to my favorite tranny shop to change the tail housing. Splines are the same, gear ratios are the same except the 80-E has the OD, the same 6 bolt pattern extension or tailshaft housing etc. 90 gears<BR>69 CST Pickup original 396, TH400 factory AC/PS/PB<BR>99 Harley Dyna Wide Glide<BR>91 Sportster 883- now a 1200! Save Share Like. We use cookies to ensure that we give you the best experience on our website. Although I'm thinking of putting it in my 57 Suburban 700R4 vs. A full set up would be nice or odds an ends to piece one set together. Last winter I bolted in a great running 454 out of a donor truck, then installed a Gear Vendor and TH400 adapter I pilfered from a Motor Home. 86 / 2. Mine came with the ability to have it shift automatically or manually. i have just got the overdrive working and was taking it for a test spin. 73 = 6. Ben,I will be around when your in town. This translates directly to better fuel efficiency and quicker drive when moving at high speeds. Able to withstand several thousand horsepo Anyways, about the gearing. Gear Vendors has developed a solution for that issue thanks to its overdrive unit for the TH400 transmission. Some notes from my Gear Vendors experience: A Gear Vendors OD installation in a C20 (or, presumably, any regular cab, long bed, 2wd, automatic, unmodified suspension) does NOT shorten the drive shaft enough to allow conversion to a one-piece drive shaft. Another seller on Ebay has an electronics unit for sale for about $325. Gear vendors is more money, but more unique and cool as well. My vote would be for a built 200-4R. 74 first gear, a smaller 1-2 jump than a 700, plus it's a 4-speed overdrive. Some simply adjust to the ignominy of life without overdrive, while others bolt on a Gear Vendors assembly to the tailshift. gear vendor overdrive Ford C6 . 00 x 2 Finally installed Gear Vendors over into my 1984 CUCV M1010 ambulance. Free shipping. I have found one thats reasonably priced and am looking at buying it for my 88 3500 dualie tow vehicle. The TH400 is tough as they come, but big and heavy. 11 Yes quite a few Drag Week participants use the Gear Vendors overdrive with TH400s and Powerglides. TH400 8. In stock form it will handle 1200HP so, strength is no problem. Anyone know what mods have to be made on the stock th400 crossmember on a 71 chevelle for the gear vendors unit? Bill . 4L80-E is very similar to a Th400. ← Commercial ← Price Schedule. Overdrive Continue reading GM 4-Speed Manual → LSS, i'd love to daily this truck, but that's going to involve putting in overdrive, the cheaper the better. For a Chevelle with a TH400 or TH350 the Gear Vendors kit is $2,395. This product is particularly well suited to the special demands of Drag We This is great for a hard working or hard driving truck. Other enthusiasts (thank you Lew) are recommending Gear Vendors OD. They bolt up to a th 400 and are suppose to be indestructable. Trucks / Towing GEAR VENDORS application engineering makes a kit for virtually all rear wheel drive and 4 wheel drive vehicles. Was looking at maybe a Th400 with the gear vendor o/d. Its the size of a coffee can. at $3100 it wont be happening till later this year if at all. In fact they do share some of the same internal parts. If you find these kinds of videos Gear Vendors overdrive unit for TH-400 transmission models with 4 tailshaft. So, I'm debating whether to change my TH400 to a 700-R4 or add Gear Vendors to my existing tranny instead. #sponsored. I only made this thread for other people who might consider going this same route. An interactive floorswitch is positioned for the left foot (just The factories could do this but it would be cost prohibitive because Gear Vendors goes to extremes on types of materials and design that are all abut this niche market of big horsepower and performance. The Gear Vendors unit gives you two options when it comes to driving; the first is to put it on the automatic Gear Vendors makes a very good overdriive unit for about all popular transmissions. Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186. FORD 3-Speed Automatic – Muscle Car / Street Rod / Restoration The Ford C4 and C6 transmissions are two of the best performing, most durable transmission ever built. NP 241 Transfer Case, TH400 Transmission. Installation Experience. You still will have better off If they went from a 400 with GV to a 4L80E and tests in overdrive was done your example would be valid. Gearing is what you are buying when you purchase a Gear Vendors Under/Overdrive. The GV's are bullet proof, in stock form they are rated I have a 3. I have only tried the automatic mode a few times and felt like it shifted too early. Friday my Lexus goes into DD Tuning for a Motec M800 with all the bells and whistles. Gear Vendors Overdrive + TH-400 Transmission SOLD Paul. Opens in a new I have a chance to get a TH400 with a Gear Vendors unit behind it from a 1978 GM RV—don’t know the gear ratio it was in front of, but I’m guessing somewheere around 4. $350. DODGE 3-Speed Automatic Muscle Car/Street Rod/Restoration If you own a car with a TorqueFlite 727 or 904 3 speed auto – you own one of the best transmissions ever built. The TH700R or whatever the 4-speed version can’t take it he said. Results matching fewer words. e. If they went from a 400 with GV to a 4L80E and tests in overdrive was done your example would be valid. 05-13-2009 #2. The gear vendors website has some good info. Shop By. Find used Gear Vendor for sale on eBay, Craigslist, Letgo, OfferUp, Amazon and others. If mpg is really important to you, go with combo #2. Good all around gear ratio for 454/TH400? Good all around gear ratio for 454/TH400? By Grapejuice1998 March 21, 2016 in Drivetrain Tech. I’ve got a 1970 Chevrolet and I’m considering this upgrade to improve performance and fuel efficiency, but I’m not entirely sure about the installation process or compatibility. Slower speed requires less work to maintain a given road speed. GEAR VENDOR OVERDRIVE INTERNAL PLANETARY SET WITH ELECTRIC VSS LATE TH400 & 4L80. So I had the receipt for purchase of the GV and tons of other stuff. I have a Th400 transmission with a gear vendors over drive. The transmission tunnel required a small amount of relief. 73 = 4. The nice thing about the gear vendor is you can turn it off when you need to be a real truck again. Anyone installed one on an A body with a TH400 that would like to share their experiences? i. My goal, however, is a gas miser. Do you acutally install a freeze plug in the stock speedo drive gear housing bore in the Today I bolted up the GV to my TH400 and dropped the engine and trans onto my frame. Now he still wanted an overdrive so he added something called Gear Vendors Overdrive. wayne70. 3. will send pics as well. If you have to turn the whole mass of the transmission behind the overdrive planet faster to maintain the same roadspeed compared The Gear Vendors essentially makes my th400 into a five speed transmission. They consider the 700r4/480LE trans to be less sturdy than even the TH350. 55:1 gears; the spacing between the 2. 73's in it? The car has a TH400 and the final drives look like this First = 2. doesn't I bought the Ford 1 ton Superduty 4x4 called Gear Vendors and they swaped out the 4L80e adapter for the adapter needed to installed the GV on my Superduty for a small fee. 55 Gear SC&C Stage 11 QA1's 4 Wheel Baer Brakes AGR Box Straub SR . Gear Vendors is also one of the biggest sponsors of drive n drag events such as Drag Week, Sick Week, etc. C3 Tech/Performance - Gear Vendors Overdrive in a C3 ? - Has anyone put a gear vendors overdrive in their C3 ? I am thinking of putting one in my 73 BB 496 with the M21 rebuilt. I don't have the tail piece for the TH400 and dont want to deal with making that functional again without the overdrive. It is being converted into a camper. The The best part of having a Gear Vendors under/overdrive in the truck is that it turned the Turbo 400 transmission into a six-speed. It gives you a 22% reduction of gears so your 3,000 RPM will be reduced 2,340 RPM. We’ve got some horsepower in the booth! #semashow2019 @sickseconds @lutzracecars #gearvendors #overdrive. There is no The 4. My Build Gear Vendors Overdrive. TH400, Gear Vendors, and finally a 12 bolt with a Eaton Posi with 4. Here’s @ For a pre-facelift 89 xjs 5. eBay. nothing needs modifying except rear drive line length. The installation was easy, just measure up the driveshaft length, I had to shorten the rear driveshaft a bit and it worked fine. com LOKAR 423/996-2269 www. Installation only requires basic wiring, a bolt-on to your specific transmission, and a shortened driveshaft. I know have it behind my th400 and it has never given me a problem. Guy died before the car was finished, and I bought it. A Gear Vendors will handle more horsepower, deliver bigger performance gains, give you guaranteed trouble-free performance, and install easier than any other overdrive available. the speedo i have Lower your rpm at higher speeds in higher gears; Protect your engine from unnecessary wear (and your wallet!) Save 20-28% in fuel economy; This means an overdrive over time pays for itself. These things are suppose to work great. It feels good to see some progress. Can include the driveshaft as well which had a 1350 yoke on the rear end. GM Manual Transmissions Muncie M21/M22 (Also M20 and BW T-10) Gear Vendors owes a lot to the Muncie close ratio trans. If you have to turn the whole mass of the transmission behind the overdrive planet faster to maintain the same roadspeed compared TH400. I'm leaning away from the gear vendors at the 2,000$ price point because i'd still only have 3 gears, but if there's a cheaper alternative, i could happily avoid freeways and stick to 60MPH two-lanes. Member of the Upstate SC GM Truck Club. $1,500. I am ready for an overdrive to make it more tolerable at highway speeds but I don't want to give up the torque on the low end. For somebody just wanting to cruise around and not beat on their car the 700/4L60 works fine. 1965-UP GM CHEVY TH400 TH375 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING WITH SEAL . Muscle Cars / Hot Rods. No high horsepower on my car, I just wanted a reliable cruiser with lower engine RPM in 3rd gear. 75:1. I currently have a gear vendors od, and a turbo 400 trans. Jump to Latest 71 SS 454 TH400 2. I want to use an overdrive trans because we do a fair bit of highway driving. What gears are you running? Quote; The 700 or 4L60 have terrible gear spacing for drag racing. What gears are you running? Gear Vendors overdrive unit for TH-400 transmission models with 4 tailshaft. My 1st gear with overdrive is a similar ratio as straight 2nd gear. what did you do about the floor board clearance, did you use their drop trans crossmember, what was you pinion angle like if you used the dropped member, did you have a drive shaft loop, 3" pipe exhaust ( i know i will have to GEAR VENDORS, INC. Then I took a break till now. Hard to argue with, but The 4L80E is just as durable and has a lower first gear for take off and the serious gas saving advantage of a lock up converter, It will require an electronic controller to run it if your vehicle is not already equiped with an "E" GM 3-Speed Automatic Truck/Motorhome. My TH400 was the short tailshaft model and the OD bolted onto You'd use the same Tcase and adapter. I've got one behind my TH400 and love it. So should you not find your specific vehicle listed in the following pages, rest assured that we can provide a unit which is designed for your application. A TH400 / Gear Vendors combo has become the go to setup for many of the 1000+HP applications. I left the angles alone, kept it simple and it has worked GREAT for 15 years. K. If ya have a TH400 go with this. TH350 and Gear Vendors probably shouldn't be mentioned in the same sentence. Join Date: Sep 2011. maybe a million dollars, world peace then a gear vendors. 1964-1972 with TH350 and Gear Vendors Overdrive Unit. A while back, I was where you were, I was installing a 650+ HP 540 that would probably overtax my 700R. The Gear vendors will give you a ratio of 0. All M21/22 have the same 22% upshift and 28% downshift spread as the Gear Vendors. 78:1 and the 4L80E is slightly higher at 0. Now I know they are trying to sell units of course, that has to be considered but the many years of racing with these units does not appear to have been a problem. In most GM applications, installing a Gear Vendors unit requires little to no modification to the trans Related: gear vendor overdriveoverdrive unit gearvendors gear vendors overdrive unit gearvendors overdrive gear vendor overdrive unit gear vendor overdrive th400 gear vendors Include description Filter Always read the vendor's directions. So cool being a part of this event. I’ve heard mixed reviews and would really appreciate some insights from anyone who’s taken the plunge. Yeah, we got 25 percent better fuel economy with our big-block ’68 Chevelle, but our Gear Vendors overdrive packs even more fun than we counted on. plus Gear-Splitting resulting in 6 Gears on a TH400, hi/lo on it's Auto 3 speed I’ve been considering adding a Gear Vendors overdrive unit to my TH400 transmission to improve my car’s highway performance and fuel efficiency. Everything is here. The idea behind a Gear Vendors overdrive unit is simple, you add it to your vehicle’s driveline to improve the Gear Vendors TH400 Under/Overdrive With 4" Tailhousing. More pictures. This show the auto drive and manual override and I’ve got a gear vendors overdrive on a 727 Torqueflite in my Plymouth wagon and am thinking about removing the overdrive so I can put it on a TH400 for another project. Since I’m just manually controlling the overdrive with a switch I think the only parts I would need are the splined coupler to go from the output shaft on the trans to the input of the overdrive and the I'm doing a rewire on my friends car with a TH400 and a GV overdrive. This video covers the vehicle setup and steering wheel configuration as well as how to use the GV overdrive switch buttons in auto and manual mode. After years of thinking about an overdrive and which one to get I opted for the Gear Vendor. Sponsored Links. And as you said, the TH400 doesn't have a lockup torque converter. 612 lift 240 256 dur@. 1969 RS Camaro 1985 Buick GN 2005 F-250. They do push the advantage of using the GV unit for gear splitting with a 4-speed auto trans, because the giant steps the 700R4 takes from one gear to the next is the reason they Im really not interested in the foward gear splitting, just looking into an OD for my TH400. you wont be sorry. Looking for better fuel efficiency? Installing a transmission overdrive unit can help your vehicle operate at I have one on my Monte502ci, TH400, Gear Vendors, and finally a 12 bolt with a Eaton Posi with 4. I can just build the trans, bolt this thing on and go. per page. Browse our selection of transmission overdrive Watch the tips and tricks as we install a Gear Vendors Over Drive in Brads 1971 Camaro. Buy It Now. Opens in a new window or Click on the gear vendors site and read some of their data on Putting the units behind TH350 and Th400, they have been doing that for many years. 73 gears. My statements are the 4l80e is less efficient in overdrive range than a TH400 with gear vendors overdrive unit. Ingenious mechanism gives you a . The only thing Warranty GEAR VENDORS are the highest quality most awarded auxiliary transmissions you can buy. 38 rear gears (10. I have attached a photo of my installation in a 1970 Chevelle. 1sbor (2,143) 100%. US Gear was bought out and there are no more spare parts for this product. By: Johnny Hunkins Photography by the author Reprint from Hot Rodding Combo #4 has a multiplier in first gear equivalent to a TH400 with 4. 46) to First overdrive (1. Share Do an advanced search typing in Gear Vendors and put 502ci in as the author and just hit search. My question is will it fit into a 68 without floor pan modifications. The GV kit comes with an involute spline slip yoke. Which setup is more efficient in terms of power robbing, I would assume the gear vendors uses more power, as there are effectively 2 transmissions in the car. derosnopS. Gear Vendors overdrive units can only be ordered via our e-mail order form or by calling 1-800-YEAR-ONE. 12 bolt-3. Tunnel mods are not a problem, problem for me is picking what box will last and be best value for $, , diff is 9 Gear Vendors overdrive units are available for Powerglide, TH350, and TH400 transmissions. Call GEAR VENDORS customer service department for details. Icould have went with a Turbo 400 and a Gear Vendors, a 4L80, or something else. Another 4 3 Question Forums C4 Technical Corvetteforum Guru. Also, we would be interested in trading for a BBC supercharger My 69' C20 came as a 350 with TH400 and Dana 60/4. And 3rd gear with overdrive is just a little less than straight 4th. A manual trans is in the mix also. The 3rd option would be a more modern trans called the 4L80e which is GMs 4spd overdrive TH400. Learned the vacuum modulator had to be swapped for a 2-wheel drive modulator and the TH400 Gear Vendors/TH400 will it fit (as you are coming to a stop). Add to Compare. I had already rebuilt the 390. Quickview. 24. We have Under/Overdive units available for over 1500 different The Gear Vendors allows these trucks to keep the torque converter hooked up (which reduces heat) because of our narrow steps in gearing and also puts a lot more shifting duty on the overdrive instead of the main trans (In CORR we use The car uses a Rossler TH400 three-speed automatic connected to a Gear Vendors overdrive. These words are very similar for the M20 and T10 but with some slight ratio differences depending on model. Free If you installed a speed sensor on the compound gearset of both transmissions the gear vendors equipped 400 would read much slower than the 4L80E. Mark 1970 SS396 Lewis Racing Engines 489: 634 HP @ 6000rpm 627 Lb-ft @ 4,000rpm ProSystems SV1 Larry Larson uses a gear vendors at over 200 mph . The tire is 36 inches tall (static—it grows 2-inches in the traps), and the rear gear ratio is 4. 78 overdrive that you can retrofit to just about any transmission on the market. Hey guys, looking for a Gear vendors over drive set up to add to my 67 GS. Trans is rated at 850hp, gear vendor around 1200 Like new condition. C. 11 gears. com has a great web site calculator for comparing options. You will need to have the following information: Gear ratio & tire height (in inches). Compare 30 million ads · Find Gear Vendor faster ! 1982 chevy th400 Montclair. Unstable beat me to it. If you plan to driver your car leisurely this is the way to go. Price. The GV and TH400 Is a great combo, giving you a 6 speed automatic. GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. Replaces 4″ tailhousing. 48 x 2. The th400 GV doesnt have a lock up converter so lets use an open converter 4L80E as an example. The second, and probably the easiest (and perhaps cheaper) solution is a Gear Vendors overdrive. What to Consider Before Installation Compatibility: Is the Gear Vendors There is the US Gear Dual range that was already on my TH400. S. Two time winner of SEMA’s best engineered award. I don't know if it makes as big a difference on a TH400 but on a C6 it really reduces the overall length and makes the unit somewhat more compact and now I have a Gear Vendors overdrive! I won the main unit on Drag Week, and got the installation kit today in the mail. Gear Vendors Inc Under/Overdrive; Gear Vendors Under/Overdrive Australia Superformance is an Australia supplier of GearVendors Under/Overdrive products. Either option works GEAR VENDORS, INC. I noticed that the transmission (not the overdrive) will not shift into 3rd until I reach 45 mpg. It replaces the tailshaft. 48:1 First gear and the 1. It would be a ready-rebuilt transmission, you wouldn't have to spend money on rebuilding the TH400 on top of the Gear Vendors price. I’ve heard mixed Chevrolet Pro Truck – 850hp with a Th400 and Gear Vendors Under/Overdriveâ„¢ used in all the championships. There is nothing wrong with it but this car has a lot of accessories that were added on over time. Sponsored. Great for a daily driver, not for beating on. 06-22-2020, 10:00 AM #44: 68Gold/white. If you take a few moments to study the gear chart for your transmission and rear end ratio combination you will see why this product is so popular. $1,575. Instead, hard-core enthusiasts often opt for track-proven three-speeds such as the TH350 and TH400. GEAR VENDORS can give your GM / Dodge / Ford vehicle up to twice the forward gear ratios, unparalleled performance and the ultimate in horsepower handling of any auxiliary transmission. 209 posts · TH400-02 - GM Chevy Turbo 400 TH400 Transmission Gear Vendors Adapter (Good Used) $525. Somebody who KNOWS about the Gear Vendors unit correct me if I'm wrong! Justin had it right - it's not just an OD, it's a gear splitter. 1717 North Magnolia Avenue, El Cajon, CA 92020. All I want for Christmas is a gear vendor, O. I must say, Gear Vendors was extremely helpfull with this swap. ← Racing ← Trucks/Towing. It lowers rpm and allows the car to cruise on the highway, and splits shifts for maximum performance at the drag I have a '70 Chevelle SS454 with a TH400 automatic and 410 posi rear-end. Overdrive was a must. I regret this was not posted sooner. 49 rear gear. I had no prior experience with this product before purchasing. Was considering going to a 4l80e but have a couple questions 1. Small block and Big block cars. I drive the car effortlessly everywhere and get 13-14 mpg on the freeway. I Gear Vendors Overdrive, new TH400 Have a new GV overdrive that was purchased in 2004 for a car that was never finished. 00, too much risk for that knida of money. It's a 95% street car and I would really like to drop the cruising RPM. Below is a approximate cost of my endeavor. 050 83 K20 454 TH475 NP 205 Dana 60 Track Lok Detroit Locker Rear Gear Vendors Over Underdrive On Th350 The 1947 Present Chevrolet Gmc Truck Message Board Network. We recommend a polyurethane transmission mount. I f you want 4l80e swap gear vendors overdrive suburban th400 Replies: 27; Forum: Some notes from my Gear Vendors experience: A Gear Vendors OD installation in a C20 (or, presumably, any regular cab, long bed, 2wd, automatic, unmodified suspension) does NOT shorten the drive shaft enough to allow conversion to a one-piece drive shaft. The car really doesn't hook at all on the street so I was thinking what would be the harm in throwing 2. 00. Posts: 3,415 If you decide to go with a gear vendor try to get the back of the unit as high as possible when you do your floor pan & cross member "mods" to reduce your angles, It is behind my 496/TH400 with 4. gearvendors. TH400 Gear Vendor set up. Shifts OK into every gear but its not as crip a shift as my Chevelle shift. the speed sensor i bought is a common speed sensor for any electric speedo th400, i just threw out t he the whole blazer thing and a few other trucks/SUVs with 3 speed autos on krangen and they have the same part number. If you wanted a Gear Vendor, this is a great chance. Gearvendor Controller Broke How I Replaced My With A Simple Circuit Idi Online. You will have to bang up some sheet metal on the trans tunnel and I also used an aftermarket frame cross member made especially for Gear vendors in A-Bodies from G-Force. Then I started looking at the GV unit on a TH400 that is used in Trucks/Motor Homes weighting more than twice that of a Chevelle (25,000lbs) Gear Vendors under/overdrive transmissions the most awarded auxiliary transmissions. Any thoughts or opinions Should I install a gear vendors overdrive, or swap the TH400 for a 4l80E trans ? HELP !!!! Joe C 1969 Camaro. 16 watchers. Any idea how to trouble shoot this. The 1947 - Present forged pistons, Dart Iron Eagle 308cc, Straub Cam, Comp Cams chrome moly full rollers, Weiand Team G, Prosystems 950, TH400/3500 Dalenzie stall, Currie 9+ Detroit Locker w/31spline axles. transmart4x4usainc (1,330) 100%. 00 shipping in the U. Shopping Options. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186 We use cookies to ensure that we give you the best experience on our website. Save Share Anybody know anyone who has done a Gear Vendors overdrive unit behind a Turbo 400 into a Quadratrac? The GM TH700R4, for example, has a first gear of 3. 10 (F&rd) rear (about 3. Keywords for search engines are : Th400 speedo, speedometer, gear, gear housing, speedo gear housing, 34-39 tooth , 40-45 tooth, GM, speedometer hold-down fork, gm part # 132294, 1362293, 9774413, 9780387, GEAR VENDORS, INC. The GEAR VENDORS will shift on and off without attention of the driver and can be used while towing up to combined weights of 30,000 lbs. Original Equipment on over one million new vehicles from GM’s Callaway THE TRUCK: 2001 Dodge Ram 3500 4X4 24v Diesel Cummins, previously an 8. Registered User . 00 and doesn't respond to questions concerning the unit he is selling. Parts Only. View Profile View Forum Posts View Articles Registered User Join Date Aug 2006 Location fort Includes upgraded electronics (no ugly box under the da Comes with tailshaft for th400 in case you want to split them up Was installed in a 69 camaro. . Just e-mail us today or should you Continue reading Trucks/Towing → In a typical three-speed like a TH350 or TH400, adding a Gear Vendors means that a vehicle now has four underdrive gears, one direct-drive gear, and one overdrive gear. If i is a 400, the guys at gear vendors will probably want to know if its a short or long tailshaft. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) Gear Vendors th400. is there a way to justify this over 4l80 swap? it'd be nice to hear from the knowledge base here on the matter, maybe i can start I chose the Gear Vendors unit to go with my TH400, and have been very satisfied. Thanks everyone. 2001 GS300, 2JZGTE-VVT-i, TRD LSD, PTE 6667 I bought a used gear vendors unit off Ebay and I have been trying unsuccessfully to get some questions answered. 11. com HURST 216/398-8300 www. 70/3. Location: Ark City, Kansas. You are I've been thinking about putting a Gear Vendor behind my TH400 but thinking the gear is to high. Discussion in 'Parts wanted' started by 68Rivi_In_Cali, Aug 25, 2021. Pre-Owned. I've just decided to go the 4L80e route instead. 1968-1972 with TH400 and Gear Vendors Overdrive Unit. 2nd would be a TH350 with the gear vendors. may world peace then gear vendor, O. I will take pics when I get the crossmember in. Free local pickup. The GMTM is sold separately. One of the secrets to Drag Week victory is running a Gear Vendors overdrive behind the transmission. Give your transmission up to twice the forward gear ratios with the UNDER/OVERDRIVE auxiliary transmission from Gear Vendors. Gear Vendor S Overdrive Mopar How To 3 1 6. I know quite a few guys who run them and would never run a 200-4r or a 700-r4. 2nd gear with overdrive is the very same ratio as straight 3rd gear. If I had it to do over again I would go with the Gear Vendor again no doubt, no regrets. Cutlass, GTO, Lemans, Skylarks with TH400 transmission ** "Use a die grinder cutoff wheel to remove and relocate trans mount pad so that top of trans mount is level with top of crossmember (about 3/4" lower than GEAR VENDORS provides an overdrive product to race cars and trucks up to 2,000 hp. Filter. I BEAT on it EVERY time I drive it and I feel the only way to go with a big torque / big HP combo. So everybody knows what I am working on my car is a 69 camaro with a 502 BB, Th400 with reverse manual valve body and 4:10 gear in the rear. I’ve been considering adding a Gear Vendors overdrive unit to my TH400 transmission to improve my car’s highway performance and fuel efficiency. Anybody know if these gear vendor units are any different, than say for a regular car or truck? How feasible would it be to make it useful for a car or truck? For those with a Gear Vendors overdrive unit installed on their TH400 have any of you ever had any vibration issues when using Works great, this makes the TH400 so much easier to drive around now. I'd like to take on the DIY building of the 4L80, and am confident I could do it, but the one concern is will it fit in the smallish tunnel of the B Body? I think it's smaller than the Chevelle. We use cookies to ensure that we give you the best The one drawback to a ad on overdrive such as a Gear Vendors is you still do not have a lock up converter. $950. Able to withstand several thousand horsepo GM/CHEVROLET FINAL DRIVE RATIOS It is the gear under your seat that counts. Has adapter, wiring & switch. Replaces both 4 3/4″ & 3 1/2″ tailhousings totalling 9 1/4″. When ordering the information they needed was what tranny, rear gear, tire size, and if you want floor shift or shift knob shift. And you can turn it on and off with a button on the shift ball. The person I bought it from won't answer my Email, same with the Gear Vendors website. See details. GearVendors Overdrive bolted to a TH400 GEAR VENDORS, INC. or Best Offer Fits Transmissions: TH350, TH400 with Gear Vendors Overdrive Unit. 1965-UP GM CHEVY SHORT TH400 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING 2 WHEEL DR. The cars a daily driver though, and although it only sees about 10 minutes of highway use a day Im still worried about running anything higher than the stock 3. 700r4 would be lighter than the TH400/gear vendors combo, and would be shorter, keeping your drive shafts closer to their current length. painlessperformance. 73 12 bolt posi , TH400 tranny with a Gear Vendor OD in my 66 Chevelle. I put a Gear Vendors in my 72 short bed K10, th400 15 years ago. I wish the reduction was closer anyone have any experience with a gear vendors setup? i like the thought of keeping my th400 but have overdrive. GEAR VENDORS, INC. Opens in a new window or tab. mrgasket. going to ship to Gear Vendor approved source (or gear vendor main) so they can provide report of condition. A theoretical testbed uses a stock TH400 in a 3,400-pound Nova with 3. Besides the 625 HP 468 built by Mark Jones, the GearVendors was an excellent choice. Out of stock. The two shops I’ve discussed with recommended a 4L80E swap. I haven't had any issues with it. Show. I have been running a Gear Vendor for several years. Gear Vendors Engine & Drivetrain Register or Log In To remove these advertisements. I like the GearVendors because it allows me to keep the old-school M22 Rock Crusher transmission. grimmjeeper. 48. I'll be dropping it in soon along with a 396 stroker and I wish to run 3. You can put the overdrive on wherever you want. 630 . lokar. Basically a 4L80E is just a TH400 with a 4th gear clutch and planetary set on the front of it. You can shift into and out of OD at any speed in any gear, this is done by pressing a I really think I would. Initially purchased in 2004 - switching to overdrive tranny. com PAINLESS WIRING 800/423-9696 www. 5" 10 Bolt. _____ 1985 C10 shortbed, current project. The Continue reading GM Drive Ratios → GEAR VENDORS, INC. Application: Price Code: View Larger Image. 00 to 6. Cost around 6500 new with everything. Willing to let buyer confirm condition is satisfactory before finalizing deal. This lets the engine stay in its power band, which translates to acceleration that the owner favorably compares to his daily-driven ZR1—quite a statement for a car th400 with Gear vendor info - posted in Driveline: Im interested in hearing if others are using a gear vendor on there th350 or th400 ? I was looking into manualising a 4L80 but was warned off it by several builders, and only one mentioned a gear vendor to me. A 2. This would require a small cpu to run it, BUT it may be cheaper than the GV and a freshen up on the TH400. Installing this unit hopefully should not change pinion angle, I've had a Gear Vendors OD installed in a S10, 350/350 Turbo with 4. These have a higher GVW and power rating then the Gear Vendors Or Laycock P-type. My 1966 625 HP BBC Chevelle has a TH400 and gear vendors OD. In removing the factory harness I also had to disconnect the switch and LED inside the car. In this video I demonstrate how I installed my gear vendor overdrive in a 1986 Ford F350 with a c6 automatic transmission. I ran it behind my TH350 and it out lived two of them. gear vendors rep said to get ANY th400 electric speed sensor and calibrate it to my autometer gauge. I left the stock trans crossmember in place and will use a new stock type mount. com This is a look at the interior and the PCS electronic shifter console, paddle shifters and gear vendors buttons. Price: 950 $ Product condition: Used. With the GEAR VENDORS dashswitch in “auto” you will have automatic overdrive just like the vehicle came with a factory system. By adding a Gear Vendors Under/Overdrive to these transmissions you have an unbeatable package far superior to any factory overdrive automatic and with 6 close ratio gears Continue reading The Gear Vendors under/overdrive system basically rewrites that book. garry bennett. FORD 3 SPEED C6 TRANSMISSION GEAR VENDOR OVERDRIVE EXTENSION HOUSING 14" LONG. I take a drive and describe how these compon GEAR VENDORS, INC. A 2004R is a better transmission because it's stronger and has better gear spacing. They are just a strength mismatch. TH400-03 - GM Chevy Turbo 400 TH400 Transmission Gear Vendors Adapter (Good Used) $525. 48:1 Second gear should result in a Check it out as we install a Gear Vendors under/overdrive transmission into a 79 pickup - Custom Third, and Third-over for a total of six speeds when using a typical TH400/350-type The Th400 is beefy off the shelf. 77 Second = 1. FTI stage 4 TH400 $1930 The 4L80E is just as strong as the TH400. On the other hand putting a GV behind a TH400 is the most common way to use a GV. I second guessed it after I broke my th350 but, I just built a th400 and bought another adapter. I haven't looked at the new ones for a long time so I don't know how they operate. I have had no vibrations or any mechanical problems. It was mocked up but never used. TH400 with a Eaton 3:55 Posi. 48) Combo #4 is like a TH400 with a 2. A gear vendors is the stuff!!!! I want one, I gotta have one but I can't afford one!!!! I seen a used one off a show car for $1000. I also ta C3 Tech/Performance - Gear Vendors TH 400 overdrive fit a C3? - Anyone have any experience with a Gear Vendors gear splitting overdrive on their C3. After that a TH400 and Gear Vendor is the way to go. Automatic 3-Speed TH 400 4″ Tailhousing. 06 compared to the TH400 first gear of 2. 20s in OD!) Functions like a 1965-UP GM CHEVY TH400 TH375 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING WITH SEAL . XX. 27 watchers. It's a 70 Chevelle SS with a 454, TH400 transmission and a narrowed for 9" rear. 5/6in drop. The cost and installation trouble of a Gear Vendor setup really is only justified with a big block, and only then if driven hard pretty often. When the gear vendors hit the market, we could not give those units away. The TH400 was a bolt-in swap to replace our old TH350, and we topped it up with TCI’s synthetic trans fluid. The real advantages are a clutchless 1st to overdrive shift while under power (it chirps the tires nicely) and of course overdrive while in 4th With the Gear Vendors unit, the 1-2 shift at launch entails moving from the standard First gear (2. ) I like the gear vendor idea and may just do that behind the TH400. Its overdrive in all three speeds, reducing rpms by 22% in any gear you want. You are also going to actually make more horsepower and Browse our selection of transmission overdrive gear units from Gear Vendors today. 0L V-10 gasoline, 5 speed NV4500, NP241HD and 4:10 Dana 80. 02-15-2011 #2. The shift into 2nd gear is perfect. Page 1 of 3 1 2 3 Next > 68Rivi_In_Cali Well-Known Member. 2. Yes it is the most recent type of GV. (My apologies to those of you who just spit your beverage of choice all over your computers. The TH400 is obviously the best choice for that application except that I also want to be able to go on cruises with the local CF members. C3 Tech/Performance - Gear Vendors Underdrive/Overdrive - Like many of us on this forum, I am interested in reducing my highway driving rpm's by replacing my TH400 for an overdrive automatic transmission or by replacing my TH400 for a TKO or other 5 speed manual. 00 plus $45. I will say to date I have taken advantage of many of the Gear vendor's benefits. I read in a recent thread about Gear Vendors I been running a Gear Vendors unit on a TH400 in my Nova for over 15 years. heegyiiqcnqzfgtnaxprmvdfbnrmglxxvkppcviytfklsirtu