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2002 C5 Dyno Today

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Old Sep 14, 2002 | 05:06 PM
  #1  
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Default 2002 C5 Dyno Today

Nothing to brag about. Numbers are right where they should be. Best numbers are 305.4/318.1. Temp was in the 90's with high humidity at 21st Century Musclecars, Inc. Looks like some knock retard in the graph though.
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Old Sep 14, 2002 | 09:50 PM
  #2  
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Default Re: 2002 C5 Dyno Today (123Gone)

Are the spark plugs new? One of the other posts about this said he closed the spark plug gap to .050 and the knock retard went away.
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Old Sep 14, 2002 | 10:46 PM
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Default Re: 2002 C5 Dyno Today (123Gone)

Those numbers are really a little low, but everyone's seemed to be today. I think their dyno may be off a little. I saw some really crazy fluctuations in numbers on several cars. I know one guy who's car dynoed 50 lbs of torque less than he consistantly does at other places. Makes you wonder.
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Old Sep 14, 2002 | 11:09 PM
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Default Re: 2002 C5 Dyno Today (Big Carrot)

Got there real late at 2:00 and still dyno'd before 4:00. It looks like a nice shop and the twin turbo setups were real sweet. Have to look at them from under the car to see them!

My dyno numbers were 303 HP/315 Tq. This was just a few points higher than my stock numbers in Feb. and you can see what my mods are now. I have dyno'd at the other two places and they were pretty much within a few points of each other (even under drastically different temp conditions). These look to be 5% lower than what I was expecting, but dyno numbers don't produce at the track. The car does, so I am satisfied at just seeing a bunch of guys and the neat cars.


[Modified by RWhite, 9:12 PM 9/14/2002]
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Old Sep 15, 2002 | 12:40 PM
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Default Re: 2002 C5 Dyno Today (RWhite)

my 99 put down 314/324 bone stock.... Just letting you know as a comparison.
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Old Sep 16, 2002 | 12:20 AM
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Default Re: 2002 C5 Dyno Today (99NassauVette)

I assume your 314/324 was at 21st Century. It looked like I had knock retard on both pulls. The lines get fairly wiggly from about 4200 to 5200 RPM. Probably robbed me of some HP. The plugs/wires are factory. I have only about 7000 miles on the car. Using a 15% transmission loss ratio, that puts me at about 360 HP at the flywheel.
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Old Sep 16, 2002 | 04:04 AM
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Default Re: 2002 C5 Dyno Today (123Gone)

I don't think it's really 15% for an M6.
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Old Sep 16, 2002 | 12:12 PM
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Default Re: 2002 C5 Dyno Today (Big Carrot)

In that case I guess the numbers are low. I'm depressed. :cry
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Old Sep 16, 2002 | 12:44 PM
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Default Re: 2002 C5 Dyno Today (123Gone)

My 99 MN6 with Blackwing and Corsa Indy's put down 293 RWHP and RWTQ your numbers are great. But like everyone's says if your not happy with your dyno results find another dyno. I've seen 25 HP swings with the same car on different dyno's.

Tom
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Old Sep 16, 2002 | 12:55 PM
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Default Re: 2002 C5 Dyno Today (123Gone)

what do they charge to dyno a car? Is that a one time shot or do they allow some tuning/adjustment and do it again? Just wondering.
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Old Sep 16, 2002 | 02:15 PM
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Default Re: 2002 C5 Dyno Today (BLU PIL)

The dyno was done at 21st Century Muscle Cars (Lingenfelter authorized) at their grand opening. They had special pricing: 2 pulls for $35. No tuning. A tuning job with dyno costs about $450 at most places. Not sure about the price at the shop I was at.
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Old Sep 16, 2002 | 06:20 PM
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Default Re: 2002 C5 Dyno Today (123Gone)

Those numbers seem a bit low for have the blackwing and Borla's. :eek: Check my sig for my stock and upgrade numbers. :D
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Old Sep 16, 2002 | 06:43 PM
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Default Re: 2002 C5 Dyno Today (lugnutss)

My 00 stock was 299.9 rwhp @ 315 pds. 323.9rwhp with halltech at 325 pds.

My 02 stock is 308 rwhp and 330 pds, put on Halltech but haven't tested yet.

see sig for rest


[Modified by jimman, 4:44 PM 9/16/2002]
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Old Sep 16, 2002 | 06:52 PM
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Default Re: 2002 C5 Dyno Today (123Gone)

Stock 99 numbers were 306 rwhp. cant remember the Tq
airbox, exhaust, UD pulley. was 326 rwhp " " " "
LS6 intake, Hypertech program, MAFT, LT Headers & 1.8 Crane roller rockers was 346 rwhp " " " "

ATI S/C w/6.39 lbs of boost (minus the UD pulley) was 471 rwhp & 443 rwtq (add 15 rwhp for dynojet #'s)

ATI "GWP" Stage II S/C Numbers coming soon!! :eek:

good mods make a big diff!! :yesnod:

vetterdstr :cheers:
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