Quote Originally Posted by CDeeZ View Post
I think you could crank out 500 HP using a stock TBI system. Would have to step up to a larger throttle body but I think everything else could definitely do it. Unless you just want to switch to an aftermarket setup.
With a single 2.00" bore 420 hp 496 TBI unit using the high pressure 61s at 32 psi for 105 lb/hr I ran out of engine before I came close to running out of air or fuel. 370 rwhp through a 4L60E, GM 12 bolt and 2 piece driveline with carrier bearing. Was making atleast 450 hp.