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Which is better, C4 or C6 transmission?

  • Writer: total performance
    total performance
  • Sep 6, 2022
  • 2 min read


The specifications for the Ford C4 transmission and C6 transmissions reveal that there are obvious variances between each of them. The odd differences between the two include:


  • Production year

  • Weight

  • Interior elements

  • upgraded versions

  • fluid kind



Production year

Launched in 1964, the Ford C4 transmission automatic saw application up to 1996. Most notably, it was included in the Ford Bronco from 1978 to 1991 and Ford's F-Series from 1967 to 1996. The latter variant used five bell housings for different engine types.


Weight

It is a medium-duty Ford C4. gearbox with an aluminum case that weighs 130 lbs dry when equipped with a torque converter. Because of its size and weight, it is thought that transmission of this kind has a significant parasitic loss by today's standards.


Internal components

The gearbox case, bell housing, and tail housing are the three sections that may be separated from the Ford C4. The Simpson planetary gearset and the flexible shift band from Borg-Warner serve as the C6 transmission identifier. When it was first introduced, the tail shaft Ford trucks, Lincoln vehicles, & Ford passenger car housing lengths were 17.4 inches, 7 inches, and 14 inches, respectively.


Evolving

For instance, the C4 had a 24 spline, 0.788-inch input shaft from 1964 to 1969, but in 1979 it was changed to a 0.839-inch, 26-spline shaft. When the input shaft was changed in 1971 to include the clutch hub has 24 splines, and there are 26 within the torque converter, the same was clearly visible.


Fluid Type

In order to move the parts of the automobile quickly while also preventing overheating or slippage, transmission fluid is crucial. The type of automatic transmission fluid that is supported by the C4 transmission and C6 transmission vehicles is Type F.


Modern Use

The C4 transmission and C6 transmission are used differently in modern times. While fans of hot rods and drag racing utilise both, the C6 has become more popular when it comes to off-road driving. The C4 is typically utilised in automobiles rather than trucks because it does not handle that much power as the C6, making it less than ideal for off-road driving.


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