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Quick Question

1825 Views 3 Replies 3 Participants Last post by  soon2haveEVO
I got about 2 to 3 question about this car.

One= how high can the stock head rev. How high can the head with some cams(272/272) rev to.

Two= How long would it take for a GT35r hit full boost on stock 2.0L

Three+ how long would it take for a GT35r to hit full boost on 2.3L stroker.

Four= how much psi would i need to run on 2.3L GT35r to hit 550whp.
1 - 4 of 4 Posts
There are so many variables to these questions;
In stock form, keeping things safe, 7500 RPM's. Have people gone over that; yes. Throw in big cams and expect to rev higher in stock form; no. Are you willing to upgrade springs and retainers?
How long to spool a GT35r on a 2.0 or a 2.3; What's the A/R on the exhaust housing?
PSI on a certain turbo for a certain whp requires a lot of math, compressor maps, and serious trial and error. The only way to know for sure is to try.
I am less conservative than Larry I guess, I have been reving my stock head with 272's to 8,000 on a daily basis for over a year without issues. Now on the 05 I have (being installed on Monday) a stage 3 head from Buschur Racing, and will rev that as high as Dave says the stock bottom end can take without comming apart :)

Larry is correct on the other issues. Way to much variation to tell you any real answeres.

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