We have stroker cranks and sleeved the old 3.5 to a 5.0 and have them in a few Prowlers out here along with a bunch of other special parts... One with a Novi 2000 on it pushing close to 18 pounds of boost pulling close to 500hp on the Dyno... It's very expensive and has eaten 2 transmissions in 3 years along with tons of other parts... It's like anything else out there How Fast Do You Want To Go.... $$$$$$ onecatnodog