Pontiac GTO 2004-2006 The Modern Goat

Stock internal A4 06 GTO - 382rwhp

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Old 01-03-2008, 09:31 PM
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Default Stock internal A4 06 GTO - 382rwhp

Also posted this in the dyno section, thought my fellow GTO-ites might wanna see too.

Can't scan the dyno sheet just yet, as I don't have scanner access until I get into work, but I had the car dyno tuned today.

I had a baseline stock dyno run on December 1st and put down 301/321 on a Mustang dyno, had that backed up with a 337/359 pull on a Dynojet. Since then I've added:
-New Era CAI
-FAST 90 intake (throttle body still stock - will be ported)
-Powerbond underdrive pulley
-Kooks longtubes and high-flow cats
-StolenFox H-pipe
-Vig 3600 stall

I didn't really know what to expect, and was more focused on some other issues I was having with the car. Honestly, I was expecting more around the 350ish range, since I usually end up getting my hopes up a little too high. Well, it paid off this time.

Had some issues to work out, got them taken care of, and got my tune today. I hit a best of 382.53rwhp/387.37 rwtq, with 370 ft-lbs from 3800 on up. I'll post the graph tomorrow.

I'm sure the track results won't be what I expect (driver mod hasn't been done yet), but we'll see in the summer. People thought I was crazy for going FAST90 on an SI LS2, but at least in the dyno queen realm, it looks ok so far.

How's it feel? Can't tell. Anything more than 1/2 throttle and I'm sideways in this weather. Thank you Chicago.

EDIT: Added a scan of the dyno graph finally.

Last edited by zer0psi; 01-10-2008 at 05:31 PM.
Old 01-05-2008, 12:03 AM
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Converter locked or unlocked? Either way those are great numbers out of a SI A4 GTO with a 3600 stall, but even more impressive if they are unlocked numbers.
Old 01-05-2008, 11:38 AM
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I'm not really sure...haha. I think locked though.
Old 01-10-2008, 05:31 PM
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Finally added the dyno graph, if there's anyone out there.
Old 01-10-2008, 05:42 PM
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Great numbers!!! You going to do a cam swap next?
Old 01-10-2008, 11:19 PM
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Actually I think I'm gonna stick with SI for a while.

Just as much power as my old Z had and no choppy idle.
At least that's what I'm saying now.



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