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Right now I have a 60-1 reworked with a bigger exhaust wheel.
I've heard some running a T67, T70, GT35 all with different specs.
What are you running? Manifolds or LT's? What rpm until you reach full boost?
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GT67 with 5.5psi + meth and no intercooler = 467whp & 499trq. LS1 6-speed GTO
With header wrap & 8psi with meth this car is easy 500+whp car.
I ran a MP T70 on my 4.3L blazer auto~ Spooled great on a .70 a/r.
would run a .83 on the ls1 but w/e.
The Best V8 Stories One Small Block at Time

