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Old 04-29-2008, 09:37 AM   #1
1993 5.0
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Default Dyno'd friends CTS-V

2004 CTS-V LS-6, with x-pipe, cai, andcat-back B&B...ended up with 339rwhp, lots of power lost from crank to wheels.
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Old 04-29-2008, 09:42 AM   #2
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Default RE: Dyno'd friends CTS-V

[:@] thats a massive loss!
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Old 04-29-2008, 09:44 AM   #3
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Default RE: Dyno'd friends CTS-V

Type of dyno, weather conditions, engine conditions (hot or cold) all play a role. I take dyno numbers with a grain of salt.
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Old 04-29-2008, 09:49 AM   #4
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Default RE: Dyno'd friends CTS-V

I STAND CORRECTED
5.7 liter, V-8 engine expected to produce 400 horsepower and 390 lb.-ft. of torque

this number seems to be pretty close to a 15% DT loss

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Old 04-29-2008, 10:18 AM   #5
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Default RE: Dyno'd friends CTS-V

Mustang dyno, about 70 degrees and a bit humid, car sat for about an hour before dyno, but ran car 4 times on dyno, highest numbers on 3rd pull, started out with 324rwhp, they figure he is around 440 or so at crank. So about 100hp loss.
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Old 04-29-2008, 10:20 AM   #6
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Default RE: Dyno'd friends CTS-V

meh i think 440 is over estimated, maybe with a tune.
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Old 04-29-2008, 10:25 AM   #7
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Default RE: Dyno'd friends CTS-V

the 339rwhp was after the tune, but I know he just guessed at the 440 HP, so who knows.

The car moves pretty good for a heavy pig! LOL
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Old 04-29-2008, 10:36 AM   #8
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Default RE: Dyno'd friends CTS-V

lol lots of stuff, i dunno. theylook cool. thats all i know.
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Old 04-29-2008, 11:43 AM   #9
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Default RE: Dyno'd friends CTS-V

Probably 15% loss. He dyno'd a bit low though. He should get a tune. My friend with a similar set-up dynod 355rwhp in his. He liked the tune - better throttle response.

Its a great car - competitive in SCCA T2 at 3800lbs, better handling than the GTO and SRT-8.
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Old 04-29-2008, 12:15 PM   #10
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Default RE: Dyno'd friends CTS-V

MustangDyno's aren't very forgiving[:@]...
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