I made 313rwhp with my stock 3.8 on a 125 shot of nitrous. I sprayed on the stock motor for over 2 years and put 68 10lb bottles of Nitrous through it before I broke a piston. I only broke the piston so it would give me a reason to drop my fully built motor in the car! With a good tune I think the 3.8 can handle 400hp all day long.
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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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