Well this morning I took the G8 and put it on the dyno, And I am very happy. I am waiting for John to email me the results. After talking to him I am 8 horsepower and 8 Foot pounds behind a stock GTO.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.

So you didn't get the numbers yet? And what year of GTO?

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I still love my Packers.

I have the printout of the numbers and I am waiting for him to email them to me so I can post em up. I don't know what year the GTO was we were comparing it too.

Better have been an LS2 GTO...

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One Big Ass Mistake America

Yes it was Joe. When I get home I will see if he emailed it to me yet.

-- Sat May 01, 2010 11:52 pm --


I am trying to get the full graph up this weekend. Still working on it.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.

how cute

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Custom Tails soon to come!

We estimated 390 HP to the crank based of the information we got. How? I don't remember or have any idea, That's why I brought the car to a professional.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.

He added about 20% to those numbers to get crank numbers, as that is the APPROXIMATE power loss through an automatic transmission, and the driveline. NOt bad...that's about a 30HP jump over stock, right?

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One Big Ass Mistake America

Yes sir. 361 HP stock according to the window sticker.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.

Nice numbers Marc. How do you like the Superchips tune?

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Bright Red 2008 G8 GT

Mods: DRCUSTOMPARTS Center Gauge Bezel
Superchips ECM/TCM Tune- Volant CAI
Custom Borla Axle Back Mufflers - HID's
Holden V8 Badges
My Website

I am very happy with it Don, I have everything set the same as you. I think the 25% shift torque is firm enough and it has no problem chirping the tires when shifting into 2nd.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.

It really turns the G8 into a different car, and it's so easy to use. Superchips is working on a revision for the trans tuning, so I'll let you know when it's released.

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Bright Red 2008 G8 GT

Mods: DRCUSTOMPARTS Center Gauge Bezel
Superchips ECM/TCM Tune- Volant CAI
Custom Borla Axle Back Mufflers - HID's
Holden V8 Badges
My Website

Good deal, I need to download the Roto-Fab intake tune next.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.