Quote:
Originally Posted by Puddin
Exactly my point. You're needing to upgrade the fuel system just to get to 650. If you want to go tit for tat forced induction vs forced induction with no fuel upgrades sorry but the Z is probably going to take it. A SS is useless as far as boost goes on a stock fuel system so realistically your 4900 blower is actually 6k+. After that you're looking at yanking the motor out to at the least gap the pistons and put a cam in to help with fuel because the Lt4 stuff doesn't go very far either. We can go on and on but let's not forget these pigs we drive get thirsty and injectors and pumps for our cars are outrageous after the Lt4 stuff.
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You should really look at infinity Q60 builds to get an idea of what the new Z can do. The Z shortblock is built for and can handle boost, but the entire remainder of the car (fuel system, tiny turbos, tiny intercooler, restrictive exhaust, weak clutch/transmission, etc) all need to be upgraded to reliably make more than 500 rwhp. The LT1 on the other hand will handle 650 rwhp with the factory hardware provided you supply the engine with enough fuel and octane. The thirst for fuel you claim affects both the LT1 and the Z. It will take much more money to get a new Z to 650 rwhp reliably than it will an LT1.