My car made 230rwhp and 230rwtq on motor with a 12.8 A/F mixture leaned out like 10percent and advanced 4 degrees WOT..The Graph was still climbing at 5600 RPMs.. So with my Heads and cam and a built bottom end I gained 60 hp from stock.. That was also with a small nitrous cam and stage one ported heads and intake. I cant imagine what cams they have now and if they would of had the stage 3 ported heads like they do now..
On the bottle I kept the stock Tune which the A/F was 10.5.
There are 3.8 Firebirds making 260 rwhp and running 12's all motor..
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Jeff
2002 WS6 T/A.. M6..Built 383 TMR tune..461rwhp,458rwtq
2009 G8 GT. Bone stock 13.6@103.. Vararam Intake, GXP Axlebacks, LS2 FRC's
1998 Corvette Convertible, Vararam Intake+Power Duct, Fast 90/90, Ti Axleback..12.8@110
2003 Cobra Convertible 10th Anniversary
http://www.fquick.com/slow-v6
Local car cruise schedule..
http://www.cliffscalendar.com/
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