| sports car, not a drag/dyno queen for big #'s and bragging rights. Reliability and drivability are the biggest reasons why most Z owners who mod go to the 400-550 whp range. Detonation is the main reason why 'pump gas' limits overall #'s to around the 500 whp levels. Tuning will allow for more, but why bother? There are quite a few Z's on this site that are able to go higher than 500 whp, (possibly on pump gas) but turn down teh boost for streetability.
 Stage VI Naturally Aspirated "What kind of lube are you using? Vaseline works well" - Woody75 (Denver) 09:26:01 01/10/08
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