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Old 06-05-2012, 04:27 PM   #2475
8cd03gro


 
Drives: 2005 STi corn fed
Join Date: Jul 2008
Location: Colorado
Posts: 2,997
Quote:
Originally Posted by mdmoore23 View Post
Does anyone know what's causing the higher drivetrain losses on the ZL1. The Shelby seems to consistently put a good bit more power to the ground from the tests I've seen. I've seen guys claim as high as 613rwhp with the Shelby. That Shelby exhaust note is nasty!
SRA vs IRS, carbon 1-piece driveshaft, lighter wheels/tires, and possibly some lighter weight drivetrain components not mentioned.
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