i have ask the same thing and got several answers and they were all negative because of the flywheel problem and these were from people who had used them if thats any help .i am going to put a 250 and 350 lockup in my 55 1st mine has a 4 speed hydromatic in it and it is bad and will cost more to repair than the new motor /trans cost


47 Chevy COE..52 TO 30