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19 lut 2000 · Since the 700 is essentially a 400 with an overdrive built into it, most critical parts from the 400 that were cheapened up in the 700 will fit the later trans, rollers, clutch hubs, etc, and will make a descent 700.
6 wrz 2016 · The 4L80E is a TH400 with an overdrive gear set and clutch pack inserted between the torque converter and the rest of the trans. Gear Vendors is an aftermarket, bolt on overdrive for the TH400 (and many others). Not the least expensive route but seems to be very dependable and strong.
16 maj 2021 · Did find "Gear Vendors" that offers a bolt-on adaptor to a TH400 to add the 4th gear. Any experience with this approach?
In this video, we add an overdrive transmission to the 1967 Chevelle.TH 400 OUT and 200-4r INBe sure to smash that subscribe button to stay up on the builds ...
An overdrive unit is designed to maintain cruising speeds of the vehicle while simultaneously reducing the RPM produced in order to better fuel economy and prevent excess noise and wear made by the various parts of the transmission.
Gear Vendors TH400 Under/Overdrive With 4" Tailhousing. Give your transmission up to twice the forward gear ratios with the UNDER/OVERDRIVE auxiliary transmission from Gear Vendors. This supplemental planetary gearbox adapts to the output shaft of your existing transmission to provide an extra gear of 0.78 :1.
29 lis 2018 · I have one on my Monte...502ci, TH400, Gear Vendors, and finally a 12 bolt with a Eaton Posi with 4.11 gears. What gears are you running?
