Gear vendors th400

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Gear vendors th400. 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 ...

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. ... Gear Vendors has a section in the book on what to look for on your first test drive. Also they have a section in there for trouble shooting. So after everything was ok I went for about a 100 mile trip ...

Gear Vendors Overdrive + TH-400 Transmission. would you be int. in a trade for a 12,000 lb. 4- post lift still in the shipping crate, never used? I live in Waco, so I would deliver it to you for the trade, I have $3100 incl. shipping in …Gear vendors installation chevy ssr forum share your experience good or bad with vendor overdrive page 2 the 1947 present chevrolet gmc truck message board network reviews for a bos only mopar vintage mustang forums self contained success in under connection magazine comprehensive daily resource enthusiast news features and …1965-UP GM CHEVY TH400 TH375 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING WITH SEAL. Parts Only. $350.00. transmart4x4usainc (1,294) 100%. Buy It Now. Free shipping. Gear Vendors TH400 Under/Overdrive With 4" Tailhousing This supplemental planetary gearbox adapts to the output shaft of your existing transmission to provide an extra gear of 0.78 :1. The initial benefit is the addition of a 22% overdrive in high gear, but because it can be engaged in any gear, it doubles the number of ratios available in any ... 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.Slower speed requires less work to maintain a given road speed.The th400 GV doesnt have a lock up converter so lets use an open converter 4L80E as an example.Ben,I will be around when …May 6, 2021 · As for the pros, get comfortable because the list ain't short. The Gear Vendors under/overdrive is an extremely heavy-duty auxiliary transmission that's easy to install, gives you a 0.78:1 ... Gear Vendors Activation in 1970 El Camino with turbo 400 transmission - YouTube. Scott Cerreta. 135 subscribers. Subscribed. 130. 19K views 2 years ago. This video covers the …Vendor risk management is a critical process for businesses of all sizes and industries. With the increasing reliance on third-party vendors, it is essential to have robust softwar...

Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E’s overdrive gear. Although they come from different eras, there is quite a bit that these two transmissions have in common. The mere fact that people are so interested in this topic is a testament to the absolute bulletproof reputation of the TH400.. There aren’t too many …th400 route is tons stronger, with a little less od. and should cost a little more, its the way i would go. The 4L80E is just as strong as the TH400. The GV and TH400 Is a great combo, giving you a 6 speed automatic. 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 ... The Gear Vendors unit is essentially a separate automatic gearbox that, with a simple bolt-on dedicated. adapter, gives the stock tranny two personalities, effectively doubling its gear ratios throughout the entire range. So instead of having a beefy three-speed Turbo 400 you actually get an equally tough six-speed! Vendor risk management is a critical process for businesses of all sizes and industries. With the increasing reliance on third-party vendors, it is essential to have robust [email protected]. GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186Front and center at SEMA 2012, Gear Vendors won their first SEMA award in 1981. Rick Johnson of Gear Vendors talks about the main benefits of their Gear Vend...

GM 3-Speed Automatic Truck/Motorhome With the GEAR VENDORS dashswitch in “auto” you will have automatic overdrive just like the vehicle came with a factory system. 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. An interactive floorswitch is … Continue reading GM 3-Speed Automatic Truck/Motorhome →GEAR VENDORS provides an overdrive product to race cars and trucks up to 2,000 hp. This product is particularly well suited to the special demands of Drag We...My TH400 is already built to handle the power of my car and is much cheaper than a 4L80. For now I'll keep running my TH400 and 3.50 gears with a 30" tire. It cruises real nice on the freeway. If I put an OD in my car it will be a Gear Vendors. The TH700/4L60 is way to weak for and the gear spread is terrible. But for a cruiser it will work ...It is a US Gear Dual Range Auxiliary Overdrive unit that bolts in between a Chevy TH400 transmission and your transfercase (6 bolt round). This works, in terms of adding OD to a transmission, like a Gear Vendors unit except this is intended to allow you to be in four wheel drive as it bolts between the transmission and the t-case.Th400 speedometer gear 45 tooth : gm # 9775187: $10.00: light blue: Th400 speedometer housing seal preferred replacement with spring lip : $3.00 : ... GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186.

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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. Installation only requires basic wiring, a bolt-on to your specific transmission, and a shortened driveshaft. GearVendors Overdrive bolted to a …Dec 13, 2018 ... Ingenious mechanism gives you a .78 overdrive that you can retrofit to just about any transmission on the market. Able to withstand several ...When the gear vendors is in OD the governor & /drive ishaft is operated at lower RPM ,thus a later shift. Confusion between the VRV,,modulator & governor is out of control!!! Sell the GV & get a 700(with Diesel valve body , Diesel governor,proper TV cable & mountings built with the 4L65e planetaries & a high quality ,state of the art torque ...TimAT. 523 posts · Joined 2007. #2 · May 6, 2010. Back in the late 60's early 70's there was a company that made an OD unit-- Hone Overdrive. Long since gone, but I've heard of one made by Gear Vendors. Problem with a C-3 is the driveshaft is so short there just is not much room lengthwise, and the tunnel is pretty small aft of the trans.Factory installs At GEAR VENDORS ONLY. Price : $ 4,195.00. Quantity. Buy. View Larger Image. Part # 3D0475. 189833Automatic 3-Speed 475B with Hand Park Brake. Automatic 3-Speed 475B with Hand Park Brake.Replaces tailhousing. Park brake moved to back of 2-speed.GM P30 chassis w/manual cable park brake. Price : $ 3,795.00.

[email protected]. GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186An old Carcraft article said that Gear Vendors suggested using a 69-71 crossmember. I will find one today to compare to my 66 unit and see if it fits without notching. I will also try to find the correct plug size to eliminate the speedo drive on the TH400 and will post my findings for others. Thanks,Thinking About A Gear Vendors Overdrive... This would be for my '69 SS with a 496/TH400 with a 3.73 rear. This would be for next year, but I would need to start saving now. Right now at 60mph, I'm turning around 3100 rpm. With the 496 being quite the gas pig, and gas prices being what they are, this modification has been on my mind more …Vendor risk management is a critical process for businesses of all sizes and industries. With the increasing reliance on third-party vendors, it is essential to have robust softwar...Are you tired of looking at your patchy and dull lawn? Do you dream of having a lush, green carpet-like grass that enhances the beauty of your home? Look no further. Sod is the ans...2nd would be a TH350 with the gear vendors. The gear vendors website has some good info. They consider the 700r4/480LE trans to be less sturdy than even the TH350. 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 …Gear Vendors Overdrive + TH-400 Transmission. would you be int. in a trade for a 12,000 lb. 4- post lift still in the shipping crate, never used? I live in Waco, so I would deliver it to you for the trade, I have $3100 incl. shipping in …On the heels of Mozilla's location-aware Geode extension for Firefox, Google announces that Google Gears will get a geolocation functionality for laptop Wi-Fi users, so you can get...Apr 9, 2006 · The 700 or 4L60 have terrible gear spacing for drag racing. For somebody just wanting to cruise around and not beat on their car the 700/4L60 works fine. A 2004R is a better transmission because it's stronger and has better gear spacing. After that a TH400 and Gear Vendor is the way to go.

We cover the install of the Gear Vendors Overdrive on the 1969 Camaro. This modification helps us split our gearing, which will improve our 1/4 mile time dra...

Ingenious mechanism gives you a .78 overdrive that you can retrofit to just about any transmission on the market. Able to withstand several thousand horsepo...The TH400 is tough as they come, but big and heavy. The Gear , is time tested and tough. But, big and heavy. ... Gear vendors and BW OD’s made older cars and trucks more feasible for the “modern” toads. Many an old classic was made a “touter” by one of the OD’s. GV among them. Circa 1976, I bought a 51 Willy 4x4 pickup. It’s flat ...It is the gear under your seat that counts. Gearing is what you are buying when you purchase a Gear Vendors Under/Overdrive. 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. ... GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020 ...OPERATION TIPS. For Muscle Cars and Street Rod Trucks and Street/Strip use. The single most useful tip in ratio splitting through 6 forward gears is to use the AutoLaunch feature. When you are standing still with 1st gear selected and the Gear Vendors dash-switch in the manual mode hit our button so that the red light is showing – that is ...Jun 19, 2021 ... (SOUND UP) here's a demonstration of the gear vendors overdrive splitting gears ... Gear Vendors Activation in 1970 El Camino with turbo 400 ...Steve69SS396 said: 3.20 gear works out to 58MPH at 2,250RPM with a 28" tire. To run 70MPH at 2,250RPM with a 28" tire you would need an effective gear ratio of 2.73. To give a 4.10 rear gear an effective ratio of roughly 2.73 you would need a 0.66 overdrive. My math is consistent with the other person asking this question and the …But, the main benefit is how the unit applies overdrive to the top gear. 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 ... Reprint from Hot Rodding Magazine, September 2008. The gear Vendors overdrive kit for the Turbo 400 had everything we needed to add a pleasant 0.78 overdrive to our big-block ’68 Chevelle. The kit costs $2,595 (PN 3D0400AFS), and includes everything except labor and a shortened driveshaft. At $4.27 per gallon for 91 octane premium unleaded ...

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Gear Vendor O/D install with TH-400. After years of thinking about an overdrive and which one to get I opted for the Gear Vendor. I always had a TH-400 in the car and I always liked it. Only reason I …C6S-02 - Ford C6 Transmission Gear Vendors Adapter W/Sleeve (Good Used) $729.75. E4OD-01 W/Sensor- Ford 2wd E4OD Transmission Gear Vendors adapter 1998-02. $577.50. E4OD-02 - Ford E4OD 2wd Transmission 1993-97 Gear Vendors Adapter. $472.50. GVA1370 -GM BorgWarner 1370 Transfer Case New Gear Vendors Adapter.Apr 9, 2006 · The 700 or 4L60 have terrible gear spacing for drag racing. For somebody just wanting to cruise around and not beat on their car the 700/4L60 works fine. A 2004R is a better transmission because it's stronger and has better gear spacing. After that a TH400 and Gear Vendor is the way to go. Rastelli's Among 24 Businesses Recognized at the Annual QVC Star Awards ProgramSWEDESBORO, N.J., March 27, 2023 /PRNewswire/ -- Rastelli's earned ... Rastelli's Among 24 Businesses...Nov 30, 2020 · Also, adding a GV unit is just one more thing to deal with. I do think they make a very high quality product but is still adds complexity. But, if you want to keep the TH400 for any reason, I totally get that. 1968 Camaro SS “Clone” with Blueprint Engines 355. Muncie M20 4 speed, 8.5” 10 bolt / Eaton Truetrac with 3.42s. The install is not as straight forward as I thought. Just more wiring than I realized. Nothing bad. I also bought a G-Force cross-member that is "Supposed" to be made for the TH-400 and the gear Vendor unit - Model: RCAE-GV. I have read so many posts about the trouble with the GV fitting and the Tunnel having to be Massaged or cut to get the ... 1965-UP GM CHEVY TH400 TH375 GEAR VENDOR OVERDRIVE BRAKE TYPE HOUSING WITH SEAL. Parts Only. $350.00. transmart4x4usainc (1,294) 100%. Buy It Now. Free shipping. Aug 8, 2020 ... Gear Vendors Under/Overdrive transmission parts Review. Gearvendors is bar none the coolest towing & Torque splitting parts to make your rig ...Dec 13, 2018 ... Ingenious mechanism gives you a .78 overdrive that you can retrofit to just about any transmission on the market. Able to withstand several ... ….

Dec 18, 2022 ... 13:55 · Go to channel · Gear Vendors Activation in 1970 El Camino with turbo 400 transmission. Scott Cerreta•21K views · 12:42 · Go to ...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 for performance. With a 28.6% faster cruising gear your 4.10 rear gears will give you the same net rpm as a set of 3.20s (3.55s will cruise like 2.77s – see Final Drive Ratios.Nov 8, 2020 · The Gear vendors will give you a ratio of 0.78:1 and the 4L80E is slightly higher at 0.75:1. And as you said, the TH400 doesn't have a lockup torque converter. My TH400 was the short tailshaft model and the OD bolted onto that without issues. I'm not familiar with the TH400 that you have so I don't know whether the Gear Vendors provide an ... Sep 12, 2009 · Using a die grinder cutoff wheel, cut out a 6 inch wide section 1.5 inches deep and tall. Weld a 1.5x1.5x6" piece of "L" channel in the hole alont the edge and then grind off the excess. Also grind off the tooling tab (V shaped with dimple) on the underside of the adapter to clear the crossmember." Dec 15, 2022 · Learn how to add overdrive to your TH400 transmission with a Gear Vendors overdrive unit that can handle up to 4,000 horsepower and is easy to install. The unit lowers the RPM by at least 800 rpm and requires no real modifications to the crossmember and tunnel. Gear vendors installation chevy ssr forum share your experience good or bad with vendor overdrive page 2 the 1947 present chevrolet gmc truck message board network reviews for a bos only mopar vintage mustang forums self contained success in under connection magazine comprehensive daily resource enthusiast news features and …2.48:1. This is the stock ratio for the TH400. It balances acceleration and top speed well. It suits most street applications, so motor enthusiasts favor it. 2.75:1-This ratio provides more acceleration than stock but reduces the top speed; this is often used in high-performance street strip racing applications.161 posts · Joined 2007. #1 · Apr 29, 2010. Hey guys, here is the scoop so I got a th400 with an electric speedo (autometer) and I got a steal on ebay for a gear vendors setup with every minus the. Red and green indicator lights and a couple cut ends of wires, (1400 bucks) its off a 94 camaro wit a th400 w/ an electric speedo, so it didn't ...It is a US Gear Dual Range Auxiliary Overdrive unit that bolts in between a Chevy TH400 transmission and your transfercase (6 bolt round). This works, in terms of adding OD to a transmission, like a Gear Vendors unit except this is intended to allow you to be in four wheel drive as it bolts between the transmission and the t-case.4L80 or gear vendors w/ THM400. Thanks for your responses on the earlier post. I have narrowed down my choices to replace my Super T-10 4 speed in my 1969 Camaro to a 4L80 (with a full manual valve body and no electronics) or a THM 400 full manual valve body w/ a gear vendors unit behind it. It's about $600 to $800 more for the … Gear vendors th400, This is a look at the interior and the PCS electronic shifter console, paddle shifters and gear vendors buttons. I take a drive and describe how these compon..., The 4.10 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 3.20 would only be when you are on the Hwy ! If you look at my Sig you can see I like a 3.70/3.73 Gearing with my TH400 for Street/Hwy/ Strip use = C., Feb 7, 2013 · February 7, 2013, 03:47 PM. I would put it behind a shorty glide with a lower first gear in it. 2007 SBN/A Drag Week Winner & First only SBN/A Car in the 9's Till 2012. First to run in the .90s .80s and .70's in SBN/A. 2012 SSBN/A Drag Week Winner First in the 9.60's/ 9.67 @ 139 1.42 60'. 2013 SSBN/A Drag Week, Lets quit sand bagging, and let ... , The kit, which retails for $2,495.00, includes a TH400, Streetmaster torque converter, trans mount, dipstick, transmission cooler, and a case of fluid. Follow along as we swap out the old trans ..., , Craft shows can be a fantastic opportunity for artisans and makers to showcase their products and connect with potential customers. However, finding the right craft shows that are ..., February 7, 2013, 03:47 PM. I would put it behind a shorty glide with a lower first gear in it. 2007 SBN/A Drag Week Winner & First only SBN/A Car in the 9's Till 2012. First to run in the .90s .80s and .70's in SBN/A. 2012 SSBN/A Drag Week Winner First in the 9.60's/ 9.67 @ 139 1.42 60'. 2013 SSBN/A Drag Week, Lets quit sand bagging, and let ..., May 14, 2019 ... from Hughes Performance! Pictured below is one of our Extreme Duty Powerglide transmission assemblies equipped with a Gear Vendors Pro Mod ..., [email protected]. GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020 Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186, 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.Slower speed requires less work to maintain a given road speed.The th400 GV doesnt have a lock up converter so lets use an open converter 4L80E as an example.Ben,I will be around when …, Muscle Cars / Hot Rods 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. There is no competing underdrive or overdrive transmission available on the market that will give you the performance of a … Continue …, I put a Gear Vendors in my 72 short bed K10, th400 15 years ago. The installation was easy, just measure up the driveshaft length, I had to shorten the rear driveshaft a bit and it worked fine. I left the angles alone, kept it simple and it has worked GREAT for 15 years. ... Gear Vendors sent me a users/technical manual for a small fee, …, Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E’s overdrive gear. Although they come from different eras, there is quite a bit that these two transmissions have in common. The mere fact that people are so interested in this topic is a testament to the absolute bulletproof reputation of the TH400.. There aren’t too many …, It is a US Gear Dual Range Auxiliary Overdrive unit that bolts in between a Chevy TH400 transmission and your transfercase (6 bolt round). This works, in terms of adding OD to a transmission, like a Gear Vendors unit except this is intended to allow you to be in four wheel drive as it bolts between the transmission and the t-case., 1535 posts · Joined 2008. #13 · Jul 2, 2012. I doubt the 4L80E uses any more power than a TH400/GV combo. The Geare Vendor has an additional pump. The pumping losses of that probably negate or are worse than the …, 92 325i Mtech, 4.8 LS, th400. 95 M3, forged L33, 7675 CEA, TH400/Gear Vendors 10.4@136 on pump gas at 3530lbs, The Gear Vendors unit is essentially a separate automatic gearbox that, with a simple bolt-on dedicated. adapter, gives the stock tranny two personalities, effectively doubling its gear ratios throughout the entire range. So instead of having a beefy three-speed Turbo 400 you actually get an equally tough six-speed!, Dec 30, 2009 · An old Carcraft article said that Gear Vendors suggested using a 69-71 crossmember. I will find one today to compare to my 66 unit and see if it fits without notching. I will also try to find the correct plug size to eliminate the speedo drive on the TH400 and will post my findings for others. Thanks, , Shift into high gear with Speedway Motors, your one-stop shop for all of your TH400 performance needs! ... Speedway Motors is a trusted TH400 Parts vendor backed by decades of racing & rodding experience (since 1952) that other retailers just can’t match. If you’re searching for TH400 parts near me, then Speedway Motors has you covered …, 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.Slower speed requires less work to maintain a given road speed.The th400 GV doesnt have a lock up converter so lets use an open converter 4L80E as an example.Ben,I will be around when …, GM Manual Transmissions Muncie M21/M22 (Also M20 and BW T-10) Gear Vendors owes a lot to the Muncie close ratio trans. These words are very similar for the M20 and T10 but with some slight ratio differences depending on model.All M21/22 have the same 22% upshift and 28% downshift spread as the Gear Vendors. Overdrive … Continue reading GM 4-Speed Manual →, 2-Wheel Drive 4, 5 & 6 Speed Manuals. 4 X 4. 4 X 4. Motorhomes. 3-Speed Automatic with Parking Brake. 4-Speed Automatic with Parking Brake. [email protected]. GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020. Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562-1186., Front and center at SEMA 2012, Gear Vendors won their first SEMA award in 1981. Rick Johnson of Gear Vendors talks about the main benefits of their Gear Vend..., NP 205 Transfer Case with Fixed Yoke, TH400 Transmission, Electric Speedometer. Replaces 1 1/8″ output case housing. If a slip yoke 205, requires output shaft replacement with GM #458499 (not included). ... GEAR VENDORS, INC. 1717 North Magnolia Avenue, El Cajon, CA 92020. Toll Free 800-999-9555 • Telephone (619) 562-0060 • Fax (619) 562 ..., 189671Automatic 3-Speed C-4 Shorty 4X4Tailhousing. Automatic 3-Speed C-4 Shorty.Replaces 13″ Tailhousing. Converts long shaft C4 to a short 4×4 version (That’s 5 1/2″ shorter).Muscle car applications with limited tunnel and driveshaft length. Note: If already a 4×4 version, use price code C. Price : $3,695.00. , Automatic 4-Speed BW 4401 2 1/2″ Tailhousing 4L80E w/fixed yoke, Gas Engine.Replaces 2 1/2″ tailhousing, requires GM speed buffer (incl).99-02 4×4 1 ton dually extended and crew cab trucks, check tail length and yoke to confirm & provide axle ratio and tire size. Price : $3,795.00. , I put a Gear Vendors in my 72 short bed K10, th400 15 years ago. The installation was easy, just measure up the driveshaft length, I had to shorten the rear driveshaft a bit and it worked fine. I left the angles alone, kept it simple and it has worked GREAT for 15 years. ... Gear Vendors sent me a users/technical manual for a small fee, …, Apr 24, 2015 · Jeff Smith: The physical part of bolting this transmission in the car will be easy. The 4L80E is just a longer, heavier, overdrive version of the TH-400. It uses the same first three gear ratios but adds a 0.75:1 overdrive. This means that with a 3.55:1 rear gear, the overdrive drops the effective rear gear ratio to 2.66:1. , Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E’s overdrive gear. Although they come from different eras, there is quite a bit that these two transmissions have in common. The mere fact that people are so interested in this topic is a testament to the absolute bulletproof reputation of the TH400.. There aren’t too many …, Muscle Cars / Hot Rods 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. There is no competing underdrive or overdrive transmission available on the market that will give you the performance of a … Continue reading Muscle Car/Hot Rod →, Call GEAR VENDORS customer service department for details. Application: Price Code: View Larger Image. ... NP 241 Transfer Case, TH400 Transmission.Replaces both 4 3/4″ & 3 1/2″ tailhousings totalling 9 1/4″.88-newer 4×4 GM and standard and extended cab pickups with electronic speedometer., 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. 700R4/4L60E’s have a low 3.06 first gear which is good for initial take off but this makes the transmission have the widest ratio … Continue reading GM 4-Speed Auto →, The Gear Vendors essentially makes my th400 into a five speed transmission. Below is a approximate cost of my endeavor. I only made this thread for other people who might consider going this same route. FTI stage 4 TH400 $1930. FTI 3400 converter $900. New drive shaft $300. Gear Vendors $2750. Total cost: $5880.