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arnt the itr's already ported and polished? i think they are. all the horsepower is in the cylinder head. bigger valves and some cams, 3 angle valve job. get the rotating mass balanced and i prefer high compression with low boost and possibly nos. just make sure you get all forged parts and floating pin pistons.
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95 b18b
new crank, eagle rods, je 10.5 : 1 pistons, 8lb flywheel, stage 3 act clutch, billet aluminium and urathane mounts, balanced rotating mass, 14.3 @ 93mph
New additions, teo4h turbo, ssautochrome turbo manifold, custom piping, turboxs bov, dsm 450cc injectors, greddy e-manage fuel controller 13.07 @ 107 untuned
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