i agree with getting the forged crank. i know if i went blown im gonna wanna push 500+ on the motor. id would go with 3.73's or 4.10's as well. i got 4.10's and love them. but if i was going FI then 3.73's is the most im gonna wanna do. LT's, off road X or H, the PI swap is nice. C&L power...