How do you tell a c4 from a c6 transmission?

How do I identify a C6 transmission?

Look for a seam between the bell housing and the body of the transmission. If no seam exists, the transmission is a C6. If a seam does exist, it will be necessary to inspect the oil pan to determine whether the transmission is a C3 or a C4.

Which transmission is better C4 or C6?

Registered. The C6, in stock form, is a stronger transmission than the C4 in stock form. But the C6 has more rotating mass, which translates into more power loss. The amount of power loss difference between the two is less than 5% (e.g. 20% power loss vs 25% power loss for the entire drive train).

How do I identify my Ford transmission?

The prime identification source is the pan located on the bottom of the transmission; its shape and bolt count is indicative of which model transmission is present.

  1. Inspect the pan found on the bottom of the transmission. …
  2. Count the number of bolts on the transmission pan.

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.

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Will a C4 transmission fit a 302?

Registered. The 6cyl C4 will not work with the 302 , unless the tranny is ripped open and has some V8 pieces installed .

Is a Cruise O Matic a C4?

Because the original Ford-O-Matic started in second rather than first, it was marketed as a two-speed after the new three-speed transmissions were introduced. Production continued until it was replaced by the C4 in 1964 in smaller Ford and Mercury vehicles.

How can you tell the difference between a C4 and C5 transmission?

The length of the transmission is defined as the distance between the front of the bell housing and the seam that separates the bell housing from the body of the transmission. If the length measures 7 inches, the transmission is a C5. If the length instead measures 6 1/4 inches, it is a C4.

Is a C6 transmission a 4 speed?

Transmission Types

The C6 is a non-electronic, three-speed transmission. The AOD features a four-speed, non-electronic transmission. It was not until 1992 that Ford introduced the electronic version of the AOD, the AODE.

How much HP can a C4 transmission 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.

Will a C6 transmission fit a 351 Cleveland?

Guest. Sorry the 351 C uses a small block bolt pattern on the trans the 351 M uses a big block bolt pattern and will swap with no problem. You can use your internal components from your current C6 in a big block C6.

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Does a C4 transmission have overdrive?

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.

Does VIN number tell your transmission?

For many makes, the VIN is always enough information to determine transmission.

What year is my C6 transmission?

The Ford C6 is a heavy-duty automatic transmission built by Ford Motor Company between 1966 and 1996. It was marketed as the “SelectShift Cruise-O-Matic”. Compared to its predecessor MX transmission, the C6 offered lower weight, less complexity, less parasitic power loss, and greater torque capacity for larger engines.