The Ford C4 and C6 transmissions are two of the best performing, most durable transmission ever built. 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.
Can you add overdrive to a transmission?
Even though we’re concentrating on automatic transmissions this time, it’s noteworthy that the Gear Vendors overdrive can be added to most heavy-duty American four-speed manual transmissions. … Since the overdrive can be engaged in any gear, a four-speed manual suddenly becomes an eight-speed.
How much is a C4 transmission worth?
Anywhere from $75 up.
Does Turbo 350 transmission have overdrive?
Overdrive. The 700R4 has an overdrive while the TH350 does not. Overdrives allow for high-speed cruising, which saves fuel while lowering torque.
How much HP can a C4 transmission handle?
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 transmission is better C4 or C6?
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.
How much does it cost to rebuild a C4?
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.
Will a C4 transmission fit a 351 Cleveland?
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 oil does a C4 transmission hold?
Fluid Servicing Facts
With the torque converter and pan empty, the C4 requires eight quarts of fluid. Add five quarts first, then check the dipstick reading with the car on a level surface.
Does a Turbo 400 transmission have overdrive?
The TH400 was launched by General Motors in 1964, as a replacement to the ST300 2-speed automatic transmission. It was used in a wide range of vehicles, hence, it was not just exclusive to GM cars. … Around the same time when the TH400’s name was changed, an overdrive version called the 4L80-E was launched.
Should I drive with overdrive off?
Overdrive improves fuel economy, and makes for less wear and tear on the vehicle when you are driving at highway speeds. Having the overdrive off is fine if you are driving in hilly areas, but if you are on the highway, it is best to have it on because you will get better gas mileage.