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Exhaust only dyno

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Old 06-14-2008, 01:36 PM   #1
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Default Exhaust only dyno

A buddy of mine, just had his 99 Trans Am dyno'd today. It has Mac midlength headers, ORY, and a SLP Loudmouth catback. Other than that, and a shift kit, the car is stock. It made 324.4rwhp and 344.9 torque. Isnt that a bit much for a Exhaust only car????
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Old 06-14-2008, 02:01 PM   #2
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Uh No!
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Old 06-14-2008, 02:11 PM   #3
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Seems about right to me. Remember, the HP and TQ#'s GM put out wasn't at the wheels, they gave us engine power.
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Old 06-14-2008, 03:07 PM   #4
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nice numbers...
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Old 06-14-2008, 07:24 PM   #5
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Hmm I just figured it wouldnt make that much.
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Old 06-16-2008, 01:02 AM   #6
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I dynoed my 99 ta the day of my graduation in 102 degree weather with a lid and a cutout and otherwise a stock car and made 300hp and 303ft lbs.
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Old 06-16-2008, 09:26 AM   #7
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Mine did 322/338 SAE with manifolds.
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Old 06-16-2008, 07:28 PM   #8
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About right, I did 328 untuned with 1 3/4 LTs, O/R Y and Hooker CB, QTP ECO and SLP Lid....and my A/F ratio was off....nice numbers
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