- Dec 8, 2011
- 520
Just put down 414 HP at the wheels. That's somewhere north of 500 at the crank with no internal mods. Just turbo, intercooler, and a tune.
Read the whole project here:
vortec4200.com • View topic - Vortec 4200 Turbo engine swap into an IROC Z
Read the whole project here:
vortec4200.com • View topic - Vortec 4200 Turbo engine swap into an IROC Z