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Speedy Squirrel Speedy Squirrel is offline
Rocket Scientist
Join Date: Jun 2008
Location: Detroit
Posts: 938
Originally Posted by gsxrken View Post
I believe Porsche did use RWHP figures, so the USA 265-280HP depending on the year was RWHP.

Forget the numbers (other than AFR)- how does it drive? I'll bet you've transformed the car with all the right mods.
Porsche has never used rear wheel horsepower for rating engine power output. It is flywheel power and is measured in PS, then converted to HP.
Old 06-11-2013, 02:53 PM
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