Hey guys, running a C6 behind the 429, Lokar shifter. How do I know if we need a stall converter in it? any other recommendations on beefing up the transmission? I think the only thing that has been done to it is an inexpensive shift kit.

if it matter the numbers say that it is probably putting out just over 400hp, getting more than 300 to the tires (just punched in the cam specs into an online calculate and left the other numbers stock). rear end is a ford 9". it is going to be spinning 31x12x15 hoosier pro streets. (I don't know what factors would decide the stall converter so giving you all the info.)

Red