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Good runs!
Posted by Norm 9-5 Aero [Email] (more from Norm 9-5 Aero) on Wed, 3 Jan 2001 01:20:00
In Reply to: Viggen dyno tests?, Jaime, Tue, 2 Jan 2001 19:16:40
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Your numbers are right on compared to my 9-5 Aero. I dynoed to about 214 horsepower and 265 torque under the following conditions:
83.9 F
29.38 in. Hg.
CF = 1.02 SAE
RPM/MPH = 51.34
Elevation is probably just under 1000 feet
Dynoject 248C
Dynojet Research, Inc. Willowick, Ohio
Your tested barometric pressure and tempature will porbably explain why the correction factor is below 1.00. My best runs were when the engine was just sitting on the dyno idling(hot). The operator did one run with the engine off for about 15 minutes and a fan belowing in the IC but it had no effect. Another was doing a run back-to-back. This is where the motor will come off over boost and I got 195 hp and 230 trq which when figureing 15% drivetrain loss for a manual transmission puts it right on manufacturer's claims.
How many do you have? I had 6000 miles on the odometer. I'd love to compare your dyno graphs when you can get them scanned. The guys at Vinci do allot of work on Corvettes and have a good reputation.
Norm
9-5 Aero
Norm' dyno
Posts in this Thread:
- Viggen dyno tests?, Jaime, Tue, 2 Jan 2001 19:16:40
- Overboost & cold IC, Gerhard, Wed, 3 Jan 2001 19:50:18
- Great results, most likely due to..., pmr, Wed, 3 Jan 2001 08:23:26
- Good runs!, Norm 9-5 Aero, Wed, 3 Jan 2001 01:20:00 <-- Viewing This Message
- Re: Viggen dyno tests?, Kevin K
, Tue, 2 Jan 2001 22:45:51 - I think 12-15% drivetrain loss,,maybe 20% for a C900 (nm), steveC in BC, Tue, 2 Jan 2001 22:31:17
- Seems high for stock Viggen, nick , Tue, 2 Jan 2001 19:53:53
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