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Old 10-09-2010, 04:23 AM   #21
Gary WellsGary Wells is offline
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Shawn at CAT is one of the best, if not the best, tuners in SoCalfrom what I have heard. Haven't dynoed my Buick there yet, I will when I get a chance, but we got 500 RWHP & about the same RWTQ for the Cad '09 CTS-V. We got 430 RWHP & about the same RWTQ at Vaca when they were in biz, but I don't think that they had all of the granny controls turned off when they dynoed.
BoB- Are you hitting Cars & Coffee this AM.
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Old 10-09-2010, 08:19 AM   #22
jedheadjedhead is offline
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No. I need to get the car ready for tomorrow.

Bob
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Old 10-09-2010, 10:01 AM   #23
Gary WellsGary Wells is offline
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Bob:
Did they give you copies of the dyno graphs showing the increase from the cai?
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Old 10-09-2010, 11:39 AM   #24
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Quote:
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Bob:
Did they give you copies of the dyno graphs showing the increase from the cai?
They did not. So far all the testing was done on the prototype. They will test again when the finished production model arrives, then the numbers are supposed to be published then.

Bob
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Old 10-09-2010, 12:50 PM   #25
enkeivetteenkeivette is offline
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So the dynojet reads less power? I thought it read more than the other major type of dyno. I don't understand how these things can vary so much.

Seems like if there was no verifiable standard, a 400hp Mustang from Ford might really make 50hp more than a 400hp Corvette on the dyno Chevy uses, as a purely theoretical example. Calm down Carlos.
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Old 10-09-2010, 02:19 PM   #26
Gary WellsGary Wells is offline
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So the dynojet reads less power? I thought it read more than the other major type of dyno. I don't understand how these things can vary so much.

Seems like if there was no verifiable standard, a 400hp Mustang from Ford might really make 50hp more than a 400hp Corvette on the dyno Chevy uses, as a purely theoretical example. Calm down Carlos.
In the example that I posted above, yes, the Dynojet read less power than the Dynomite. Dynomite dynos are not very common and I only have 2 sets of readings from a Dynomiite, but both sets of readings are the highest shown on a bone stock auto or manual '09 & above CTS-V. They vary due to different types, different manufacturers, different methods of determining RWHP & RWTQ. In addition to using different formulas for correction factors, altitude, temperature, etc., etc.

For interesting and informative reading about how a dynapack works, and the differences between it and other types of dynos, please see the following:
http://home.earthlink.net/~spchurch/...ting/id12.html
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Old 10-09-2010, 05:03 PM   #27
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Damn this thread makes me want to get my blower fixed and re-tuned
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