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APS boosted 402 dyno results (7psi)

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Old 07-17-2007, 07:54 PM
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Originally Posted by peter@aps
Hi Fraser, When if at all do you do plan on running a little more boost in your twin turbo GTO? Or is traction already the limiting factor to higher performance?

Peter
Might order up WG springs, looking at installing Eboost2 otherwise.

Ran 11.55@127 on basically a sunday drive, 1.86 60', 40*C day
Put some drag radials on it and drove out to the track.
I'm no John Force with the 6speed

10.99@130 on 7psi would be imperssive when it cools off this fall.

I have a set of Bogarts I can put on it.

cheers
Old 07-17-2007, 08:40 PM
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Originally Posted by Mr.MartyStone
I don't think the delta would be that great. I am also one of the guys who really aren't impressed and think these numbers are OK. Dyno's lie though so you can never tell.

It's a high SCR 402 with Dart heads and Fast intake. N/A it would probably make 485-500 rwhp or so. 7psi is theoretically 46% more power...and you would arive around 710+ rwhp. I would like to see it with more boost as well, hopefully those numbers shut me up.

The install looks really clean...congrats to the owner as it sure will be a blast to drive.

Marty
Not trying to offend you, but I don't think comparing one car to another is a very good indication of what two totally different cars should be doing power wise! Alot of people are just assumeing that if it has a 400+CI motor that it is making 450-500rwhp and that is just a load of crap! I have witnessed at least a dozen or so cars get a 408's that dynoed well below 500 mark and they were built to be NA motors so they should have been close to those figures and only about half were. A lower compression motor with a mild cam such as there 225/225 cam on a big CI motor is supposed to put down 450+ I dought you could find to any combo's that do that! And on another note I have also told people that CI don't mean as much in FI as they do NA not saying they mean nothing, but you are FORCING the air in and CI don't help you out as much in that department! Go beat your key board with some more calculations and figure out your budget for the year or something before you start telling one of the better FI shops how shitty there numbers are. I thought they were pretty good and should be fun to drive.
Old 07-17-2007, 10:05 PM
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hell That might be just what I need
Old 07-17-2007, 11:41 PM
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Originally Posted by Inspector12
A lower compression motor with a mild cam such as there 225/225 cam on a big CI motor is supposed to put down 450+ I dought you could find to any combo's that do that!
Made 455rwhp/460rwtq with the exhaust dropped.

Granted that was with the old cam. Wish I had dynoed with the TU1 cam on motor.
Old 07-17-2007, 11:46 PM
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Originally Posted by Fraser@SpeedInc
Made 455rwhp/460rwtq with the exhaust dropped.

Granted that was with the old cam. Wish I had dynoed with the TU1 cam on motor.
And that is what I am talking about with that TU1 cam. I saw a 9:1CR 408 with ET heads do 520rwhp, but that was just a freak deal I don't think that is the norm.
Old 07-18-2007, 07:36 AM
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nice work guy's
Old 07-18-2007, 08:02 AM
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11.55@127 on basically a sunday drive, 1.86 60', 40*C day
Noice.... I'm thinkin stock M6 04 GTO's run like 13.8@103 stock? So dropping 2.2 seconds in et, and gaining 24mph first time out is outstanding. I bet you can hit 132-133mph in the fall. Can I hang out with you (Haider style joke)?



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