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Bolt on 1998 Trans Am.

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Old 09-06-2008, 12:46 AM
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Default Bolt on 1998 Trans Am.

Trying to get the chart, may take a day or two to swipe off the computer at the shop.

http://www.youtube.com/watch?v=hDRpreVxdIg

Put down 346RWHP @ 5200 RPM.

It lost power at 5200 on the first pull (cold).

The next two pulls it peaked at 5600, but only at 345 due to heat soak.

AFR is sitting at 12.5 to 1.


The numbers look decent for a bolt on 1998 car, IMO.
Old 09-06-2008, 01:21 AM
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Pretty good, especially for a 98'! M6 I take it? Those numbers are better than my old cam only A4 98', given it was a slouch before the heads, it did 342/350, lol. You could lean it up a little more and probably get a lil more power, 12.5 is pretty rich for a basically stock car.
Old 09-07-2008, 12:47 AM
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Originally Posted by 'Trust'
Pretty good, especially for a 98'! M6 I take it? Those numbers are better than my old cam only A4 98', given it was a slouch before the heads, it did 342/350, lol. You could lean it up a little more and probably get a lil more power, 12.5 is pretty rich for a basically stock car.

I lost 2 HP going from 13.5:1-12.5:1.


I did this on a humid warm day.

Yes the car is an M6.
Old 09-07-2008, 12:48 AM
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Good numbers man ! What volt ons do you got ?
Old 09-07-2008, 08:04 AM
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Solid bolt-on numbers! With the same power numbers I went 12.5 @ 111 mph (114mph at a better track).
Old 09-07-2008, 08:47 AM
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Good #'s!!
Old 09-07-2008, 09:34 PM
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Originally Posted by snake charmer
Good numbers man ! What volt ons do you got ?

Hooker LTs, 3" Crush bent Y-Pipe, Stock I Pipe over the axle into a Jones racing muffler (dynomax super turbo look-alike)
LS6 Intake
MTi Lid (cracked like a ****)
3.73 gears

160 Thermostat.

I think that covers it..
Old 09-07-2008, 10:21 PM
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good to see your enjoying it!
Old 09-08-2008, 09:03 AM
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Originally Posted by red83
good to see your enjoying it!
Yes. The car is definitely getting better. It was a good decision.




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