[Is this done with the stock compression? Was The head gasket replaced with a thicker one?]
Supercowboy, The Stage I turbo was done with stock comp. (11.0:1) and hg's just like yours and mine. I believe the only mods to the car prior to the turbos was p&p intake, headers & B&B exhaust. Then they finished the test by adding an Xpipe. Stage II will involve lowering the compression. I will be seeing Aaron next week and verify this info.
Don
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