a properly built C4 can handle as much as 800hp, though i wouldnt put that much power through one on a regular basis unless i had a strict maintenance program, including freshening up the trans at least once during the race season.
Which is better C4 or C6 transmission?
The C4 transmission was primarily used in cars. The C6 transmission could handle more power. Due to the ability to handle more power, the C6 transmission was used in many Ford trucks with bigger engines, and in larger cars that were manufactured with bigger engines.
Will a 302 bolt up to a C4 transmission?
Registered. The C4 will go directly into the 302, it will require a new bell housing, as well as a new converter. Make sure you get a really good self regulating trans cooler.
How heavy is a C4 transmission?
Weight. Ford C4 is a medium-duty transmission judging from its lightweight of 130 lbs dry w/ torque converter and its design with an aluminum case.
Will a C4 transmission fit a 351?
yes. the 351C uses the same bellhousings as the small blocks. However, one thing to remember is if you build up the engine much or plan on racing the stock C4 is a weaker transmission than a C6.
How much is a used C4 transmission worth?
Anywhere from $75 up.
How much HP can a C6 transmission handle?
Yes a c6 will hold 500 hp but not a stock one with 3 high gear clutches or a stock valvebody…. A good upgrade is to remove the wave washer from the forward clutch and fit 5 plates,upgrade the high gear clutch to at least 4 but 5 is better and go with a transgo valvebody kit…
How much does it cost to rebuild a C4 transmission?
They range from $800 to $1,300. The bulk of them are in the $850 to $950 range. Not sure how the C6 and C4 compare, but I would think the work and parts should be about the same.
How many splines does a C4 transmission have?
The early model C4 (1964–1969) used a . 788-inch 24-spline input shaft, which was upgraded in 1970 to 26-spline and . 839-inch. The upgrade also included a matching clutch hub of 26-spline.