Are all C4 transmissions the same?
A redesigned C4 valve body and transmission case came along in 1970, which was used for the C4’s production life through 1981. In Drive, the C4 shifts the same as the Dual-Range at the large green dot with a normal 1-2-3 upshift program and the same gear ratios throughout.
Is a C4 transmission good?
The most reliable automatic transmission Ford has ever produced has been the C4 Cruise-O-Matic. The C4 is a simple three-speed automatic transmission you can rebuild in your home garage with common hand tools.
What C4 transmission do I have?
The easiest way is to check the transmission identification tag, which is located under one of the servo bolts on the passenger-side servo. On some transmissions the tag may be located under one of the driver-side servo bolts. There should be a series of numbers and letters which tell what year it is.
What makes a C4 transmission shift?
One other thing that can affect when the C4 shifts is the length of the modulator pin. If you remove the vac modulator, the pin is inside the tube that goes into the tranny when you screw it in. There are 3 lengths for the pin recommended to suit your preference. The longer the pin, the longer it will take to shift.
How much horsepower can a C4 handle?
A built C4 for the street will hold 500HP, and a race C4 will hold over 700HP, but unfortunately the stock C4 behind a 450HP motor isn’t going to last long, do yourself a favor and rebuild the one you have.
When did Ford stop making the C4 transmission?
1981
The Ford C4 is a three-speed, medium-duty automatic transmission introduced on 1964 model year vehicles and produced through 1981.
How do you adjust a C4 transmission modulator?
Turn the modulator adjustment screw in a clockwise direction with the screwdriver to firm up and delay the up-shift of the transmission. Do not adjust the screw more than four turns in either direction.
How do you adjust C4 kickdown?
Find a board or brick or get a second person, put the pedal to the floor. Unhook your kick down cable from the linkage and pull tight, make sure the lever on the tranny is pulled completely. Adjust the rotating threader on the cable until the cable is “tight” when it lines up with the hole on the linkage and reconnect.
Is a Cruise O Matic a C4?
Cruise-O-Matic was just the type of Automatic Transmission that the C4 was called. Long Before the C4, There was the FORD-O-MATIC Auto transmission… I think that there were even C6 Trannies called Cruise-O-Matic as well.. The early ’64 thru ’66 Trannies were called “green dot” trannies.