Originally Posted by JonC
I want to replace a 904 with a 727 (small block) with TTI headers, will it fit without modifications other than the driveshaft? 340 in a 72 Cuda.


You'll need a balanced flex plate, shorter drive shaft and 727 slip yoke. Trans should go right in without any tunnel or header modifications.

B&M 10235

Assuming you don't have weights on the torque converter for the 727. The converter will not interchange between the two transmissions.

Last edited by MarkZ; 12/09/22 12:36 PM.
1987 Fifth Avenue - 512/518/D60