Ford c4 transmission identification

Literally millions of Ford cars and trucks were equipped with C4 and C6 automatic transmissions between the introduction of the C4 in and the replacement of the C6 in the s. These purely mechanical no electronic controls automatic transmissions are still popular with racers, hot rodders, and restorers today due to their simplicity and low cost, ford c4 transmission identification. Cores can be purchased and rebuilt to suit the needs of a specific vehicle for much less than a comparably rebuilt modern overdrive automatic transmission with electronic ford c4 transmission identification.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I'm trying to find out what year this C4 is that I have. The numbers I have found so far are on the left side of the case, right above the shifter lever. Also there are 2 circles side by side with numbers stamped inside those circles.

Ford c4 transmission identification

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. These numbers are located on the servo. Sort by Oldest first Oldest first Newest first Most reactions. It could have been used across the entire production run. Using this part to ID the model year won't work. I found this website useful for seeing the difference of the generations. C4 Identification and Selection. On the foundry stamps alpha digit denotes decade ie. The 3rd digit denotes intended vehicle, 4th is engineering division. Here is the flexplate I have.

This case is also ribbed for strength.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Since our previous restorations have all been 4 speeds we don't have much experience in this particular item. The transmission in the car is marked C6DPA. Does this mean the transmission came out of a '66?

Ford had a fundamental challenge to its direction and future in the late s—how to shed a stodgy image and dated technology. This effort began with a new generation of skirted-block FE-series V-8 engines in In , Ford introduced its lightweight-iron Falcon and Comet sixes. The degree Fairlane small-block V-8s followed in The MX was a large-case automatic and the FX was small. Although these transmissions were rugged and dependable, they were heavy, complex, and not easily adapted to performance applications. This is when Ford engineers developed lightweight aluminum-case automatic transmissions for an exciting lineup of automobiles that arrived in the s. The 3-speed C4 Cruise-Omatic was introduced just in time for the model year. The — C4 was known as the Dual-Range Cruise-O-Matic due to its dual-range shift pattern, which included two driving ranges based on shifter position. This C4 Dual-Range is an early V-8 unit with a five-bolt bellhousing.

Ford c4 transmission identification

This article should give you a better grasp on the different types and uses of C4 transmissions. C4's were produced and used in production cars and trucks from to , when they were replaced by the three speed automatic transmission with lockup torque converter known as the C5. In this timeframe there were several versions, each with significant differences that, depending on your application, might make one better for you. From through , the C4's made had a 24 spline input shaft and front hub assembly, and with the lower spline count came a slightly smaller diameter on the input shaft. This year range is still desirable, as its case is identical to the case fill C4 transmissions, so the old 24 spine parts can be upgraded to 26 spline. However, the valve bodies in the transmissions are different. The valve bodies fall into 4 different groups. Keep this in mind when selecting a C4, since the valve bodies cannot be interchanged between year ranges a valve body wouldn't work on a C4. Bell housings came in both small and tooth large bell housing sizes, with matching flex plate sizes. In , the C4 got an upgrade.

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Cobrajet67 Replies. Log in. Sign up. These purely mechanical no electronic controls automatic transmissions are still popular with racers, hot rodders, and restorers today due to their simplicity and low cost. Sort by Oldest first Oldest first Newest first Most reactions. Top Contributors this Month View All. Expect to see all kinds of mismatched transmissions. The C4 employed a new state-of-the-art Simpson compound planetary gear set, which became an industry-standard in the years to follow. Note our Christmas Delivery Deadlines! Internally, it has different valving and shift programming. Dwain Replies. For HO 's, you will need a 50oz imbalance flex-plate in whichever tooth count you choose for your bell housing tooth bell needs a tooth flex-plate, etc

The Ford C4 automatic transmission, manufactured between and , is easily identified by sight, measurement and Ford part numbers. It is a two-speed automatic, used extensively in both passenger cars and trucks.

This is when Ford engineers developed lightweight aluminum-case automatic transmissions for an exciting lineup of automobiles that arrived in the s. Also with the pan-fills, the bell housing bolts onto the case with bolts outside the front pump, where the case fill bell housings attach with the pump bolts. Still need to find out if this C4 from a 6 cyl is the same as a small block v8. Would this be a good choice for me to rebuild for my basically stock ?. Insert Quotes Quotes Post Reply. JavaScript is disabled. First 2. The pan fill C4 only comes with the tooth bell, which is specific to the pan fill. Please consider creating a new thread. The other large difference with the pan fill is that the transmission case flares out as it nears the bell housing. An ironic footnote to this story is the weighty cast-iron FMX transmission, which remained in production until behind W small-block engines. I crawled under there with a flashlight and found the number.