Stock G8 GT Dyno Numbers? - Pontiac G8 Forum: G8 Forums - G8Board.com
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post #1 of 4 (permalink) Old 01-07-2014, 10:23 AM Thread Starter
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Stock G8 GT Dyno Numbers?

I just had a mild cam installed and hit the dyno to get it tuned. Ended up at 377/360 RWHP. I never had it on the dyno when it was still stock, so I'm curious as to what they put down stock, up here in Denver.

Anyone care to share?

2009 SBM G8 GT - Sold
2005 IBM GTO - Bolt-ons - Sold
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post #2 of 4 (permalink) Old 06-08-2014, 10:22 AM
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yea, well I have a close to stock baseline. I put out 324 whp and 339 lb-ft of torque. Just had a muffle and res delete for those

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post #3 of 4 (permalink) Old 06-08-2014, 10:44 AM
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290 to 305 RWHP for a completely untuned unmodified G8

Magnason TVS 1900 3.1 Pulley, Kenee Bell Bap, Siemens 75lb injectors,Rotofab, Kooks 1 7/8 Catted Mids, Corsa Catback, Pedders: Xa's Street One kit, Swaybars, Diff bushings, Adjustable toe rods, Breyton 19x9.9.5 Rims, Full Brembo Brake Conversion. 475RWHP 474 RWT Best 1/4 on Stock 245/40/19 Bridgestones 12.1 Best on Bf Goodrich R1 Tires 11.728.

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post #4 of 4 (permalink) Old 06-08-2014, 12:04 PM
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Quote:
Originally Posted by spider1701 View Post
290 to 305 RWHP for a completely untuned unmodified G8
That seems a bit low to me. No way can I make 20 to 30 whp on muffler delete alone...

2009 GT
CAI, Pypes LT, x-pipe, j-pipes and no restrictions
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