Yep, my PTE 50 trim got 23 psi by 3800 rpm. It really sounds like you need to just switch turbo's and not build the engine. 2.0's have made 430 whp on pump gas pretty easily with a 50 trim. I would definately go that route. Nash made 531 whp on stock internals, so you should be safe without building your engine too.
The head porting may slow spool a tad, but it shouldn't be much.
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Is burning corn and stayin' warm!
My motorcycle is stock and reliable, my Talon is neither!
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