PSI doesn't mean all that much when it comes to turbo selection... Actually, it means very little. Think about the difference between a 6' tall industrial air compressor vs a small bicycle tire pump... both may be able to handle 150psi but the bike pump is going to have to work its ass off to fill the same size tank that the larger compressor could fill in a couple seconds.
Without getting into all of the specifics I'll just say that a CT-26 with an upgraded compressor will work quite well for what you want while maintaining a bolt-on setup and quick spool. 57 trim will run efficiently past 350RWHP.
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