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Old 05-18-2009, 03:02 PM   #90
Matt TuneTime
 
Drives: 2008 G8 gt / 2010 Camaro L99
Join Date: Oct 2008
Location: Lakewood
Posts: 193
Quote:
Originally Posted by THE EVIL TW1N View Post
Maybe on a mustang dyno those %'s will hold up, but not on a Dynojet. For reference, look at all the SAE Certified engines and see what they dyno at the wheels. You will see that the typical set up loses ~12% for a manual, ~15% for the auto on a dynojet.

To be losing 20+% at the wheels, you must be running a 9" rear end + an inefficient transmission, such as a C6 or maybe even a TH400.
Right the point is there is no way that 5th gen has only 12% loss .. Not even close . For instance Engine dynoed 402 ls motor made 607 at the crank on a superflow engine dyno . Installed in Corvette C5 [ I'm sure all who know whould agree 18% dr loss for 6spd car ] It made 514 whp on our mustang dyno .. that
We have done a large amount of testing as well as baseline runs on SAE Certed motors . Also back to my first post The 6l80e takes more power to turn like a 4l80e so less then a 4l60e
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