Originally Posted by
Epstein
Even still, it'll be interesting to see whether you can divert enough exhaust through a 38mm hole to keep the turbo down to 5-6psi. If you can't, that's the definition of boost creep. The shitty part about boost creep is that it happens higher in the rev range, where peak power is made and injector duty is at it's max already.
Just a point of info: A similar setup, 3071 50t with .63ar exh setup on a FR manifold, had a hard time keeping boost under 10psi with a 40mm gate.
I'm not dicating that you're going to have boost creep issues. But, if 6psi = 250whp = 99% duty cycle = 12.0AFR, then creeping to 9psi is going to put your AFR's up around 15 and it'll be a race to see which goes first: gasket or pistons.
The point wasnt so much that he definetly could do it with X part only, just that there are wastegates available for even lower boost than stated.
With that manifold which im sure the wastegate location isnt exactly ideal, I wouldnt expect him to be able to do anything new with it
