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u increased static compression?... that's...unusual for a turbo car. most ppl with turbo cars (although i don't know about turbo porsche's) decrease static compression and increase the boost.
obvious first answer is...bigger turbo and standalone engine management. say..microsquirt or something
but since yer thinking about building the engine itself. have u put in rods and head studs? would go towards being able to reliably use more boost. how are the turbo heads? maybe port them out a bit and get oversize valves?
how is yer intake and exhaust piping. if anything isn't 3"...they should be. what intercooler? maybe look into a vertical flow front mount.
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