I am in the process of putting a T5 in my 56 Ford F100 with a 272. I have a three speed bellhousing: TAAM 7505-B. I have an '89 Mustang T5 and I am going to put the S10 top cover and extension housing on it for a better (for me) shifter position. I plan on sending the bellhousing to have Mummert modify it for the T5.

I was wondering why I could not use the original (56 F100) long style 11" diaphragm with an 11" clutch disc for a Mustang, The original type (1956)  T/O bearing with a sleeve made to match the outside diameter of the old 3 speeds bearing retainer but have an interference fit to the T5s bearing retainer. And finally, A custom or modified pilot bearing. I used to do transmission work for a living for several years and I cannot think of why this would not work. Has anyone ever tried this? Basically the only difference is the clutch disc. With the same press plate and T/O bearing and the same bellhousing the clutch geometry would be pretty much the same. Any thoughts?

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