Is A C4 Transmission A Good Transmission?

You may easily rebuild the C4 transmission three-speed automatic gearbox in your garage at home. Initially, the C4 had two ranges of operation depending on where the shifter was placed.

Ford gradually phased out the Dual-Range C4 Cruise-O-Matic in favor of a more traditional valve body and shifter design in 1967. Ford significantly improved the C4 in 1970, among other things, by adding a wider input shaft and better shift programming.

Changes in c4 transmission

Ford switched to a bigger C4 input shaft beginning in 1970, which altered everything from the torque converter to the forward clutch asse

mbly. The casting numbers on the left side of C4 transmission casings can be used to identify them. Early C4 gearbox rebuild kits and performance components are getting harder to find. You may utilise a valve body from 1967 and up to get the P-R-N-D-2-1 performance.

Torque converter

Torque converters sold aftermarket are made for high-performance uses. They have stronger one-way clutch and furnace-welded fins that help them stay intact under difficult circumstances. You may adjust the stall speed using an aftermarket torque converter, which brings the engine's power band closer to the transmission. Racers prefer stall rates of 4,000 rpm above the average 1,500 rpm of a standard torque converter.

TransKit

The B&M TransKit is a straightforward method that includes all the components required to completely rebuild a C4 transmission. The components of the TransKit are matched and created to function as a unit in a performance application. To make sure the clutches and seals are lubricated and prepared for use, soak them in transmission fluid before installation. Internal leakage and clutch or band failure might result from a poorly placed o-ring seal.

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