727 -> 904

AdamR said

understandable but were not talking $5000 protrans. If his tranny needs a rebuild anyways and he can get the 904 with the converter and good pan he's pretty much gaining the extra power for nothing. A 904 will handle a mild small block without any problems.

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I think you missed my point, if a $5000 transmission only picked their cars up by .15 how much do you really think a stock 904 is going to do?

The Pro Trans transmissions have all the lightest aluminum internals with roller bearings and Torrington bearings. They are the lowest drag 3 speed TorqueFlites that you can buy and that .15 is all they do.