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Dyno'd my G8 GT

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Rogue

Post subject: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 2:28 pm

Certified Bonneville Nut

Joined: Wed May 21, 2008 11:25 pm
Posts: 5509
Year and Trim: 00 Bonneville SSEi

Took the G8 to our good buddy Dyno Brian last Sunday to get some baseline numbers. Not to shabby for a stock car but look for these numbers to go up quickly

302.3 rwhp 318.4 rwtq

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00Beast

Post subject: Re: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 2:30 pm

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Joined: Tue May 27, 2008 10:30 pm
Posts: 20960
Location: MN/IA
Year and Trim: '17 Silverado 1500

Sweet. You still gonna be happy with "only" 550 WHP?

EDIT: Wow. Look at that torque curve!!! Midrange is flatter than a table.

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Last edited by 00Beast on Wed Jan 21, 2009 2:31 pm, edited 1 time in total.

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Rogue

Post subject: Re: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 2:52 pm

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Joined: Wed May 21, 2008 11:25 pm
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Year and Trim: 00 Bonneville SSEi

It pulls hard and steady.

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petraman

Post subject: Re: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 3:01 pm

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Location: ............ Granville, Ohio/Erie, PA *WCBF '08 SURVIVOR* *NEBF '07 SURVIVOR*
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2013 Audi A4 6MT

Comes out to around 370-375 CHP I'd think, when taking into account drivetrain loss. Not bad at all!

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Rogue

Post subject: Re: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 3:05 pm

Certified Bonneville Nut

Joined: Wed May 21, 2008 11:25 pm
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Year and Trim: 00 Bonneville SSEi

We usually figure 20% drivetrain loss for an automatic so that would make it about 377. Just a bit higher than the 361 GM states.

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J Wikoff

Post subject: Re: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 3:14 pm

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Joined: Mon May 19, 2008 7:01 pm
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Location: Central Illinois
Year and Trim: 1992 SSE
2009 G8 GT

Regular or premium? Has it made a difference in Intese's eyes?

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Rogue

Post subject: Re: Dyno'd my G8 GT

Posted: Wed Jan 21, 2009 3:22 pm

Certified Bonneville Nut

Joined: Wed May 21, 2008 11:25 pm
Posts: 5509
Year and Trim: 00 Bonneville SSEi

J Wikoff wrote:

Regular or premium? Has it made a difference in Intese's eyes?

89 Octane. Scott's baseline was 292 SAE with 87 but his was an 08. Doesn't look like there is any difference in the tune between the two years so either my car is above normal or the 2 points of octane made a 10 rwhp difference. My scans shows a couple of blips of 2 degrees of KR in the 3rd run when the ECT was 212 and the car dyno'd 2 rwhp less.

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BonneMe

Post subject: Re: Dyno'd my G8 GT

Posted: Thu Jan 22, 2009 12:42 pm

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Location: Eagan, MN
Year and Trim: 2001 BMW 330i
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Moonroof

How many miles? Gen IV's wake up nicely the more miles they have. After 10k they've definitely got more than they left the factory with.

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Rogue

Post subject: Re: Dyno'd my G8 GT

Posted: Thu Jan 22, 2009 10:07 pm

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Joined: Wed May 21, 2008 11:25 pm
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Year and Trim: 00 Bonneville SSEi

BonneMe wrote:

How many miles? Gen IV's wake up nicely the more miles they have. After 10k they've definitely got more than they left the factory with.

1200

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