not to mention builthatch from d-series has a 159whp with p29, mild pnp, and crower stage 2 camshaft on a y8. tuned by power fc of course. imagine a stage 3 from crower!!! 170whp won't be that far away.
http://www.d-series.org/forums/showthread....ight=builthatch
http://www.d-series.org/forums/showthread....ight=builthatch