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Old 07-24-2009, 12:03 PM   #331
matt55

 
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Drives: CTS-V
Join Date: Aug 2008
Location: Raleigh NC
Posts: 1,069
Quote:
Originally Posted by pcmforless View Post
I'm attaching the dyno sheets from the L99 tune last night. I don't have the air/fuel up on them as the dynojet one was not working, so I had to log with my portable unit. The stock air/fuel was right on 11 to 1 and the finish tune was 13 to 1

The car really is detuned from the factory a large amount. The HP gain is one thing, but the huge Torque gain is the reason why I feel people are feeling these cars are slow.
A lil O.T.
Question to you or any other tuner in this thread ,
L99 have VVT (verable valve timing?) , can you change the advance/retard on the cam with any of the reflash programs , and how much does it help out HP/TQ ??
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10.8@130.8 610 whp, CAI, 2.5, E85, id850 on street tires.
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