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Barbapapa Barbapapa is offline
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Join Date: Jan 2007
Location: Atlanta
Posts: 305
640 WHP 7 litre 928!

I just dynoed my car and here are the results.
640 HP @ 7000-7500, 501 ft/lbs torque.
I'm happy as a clam!

Thanks to Louie Ott and Todd Tremel for the inspiration to make this happen!

The engine is a docile 10.5:1 that runs on pump gas. It's a lamb. The driveability is nice, no ill manners or issues, just gobs of power. The individual throttles really tame it by preventing reversion.
The day included 20 something dyno runs to tune the Motec ECU. After this one I installed restrictors on the airbox to knock a couple of hundred HP off so it can fit into NASA's GTS5 class which is based on power as measured on a Dynojet divided by race weight. It's a good thing that I don't have to drive it unrestricted, it would have run out of gas, 12 gallons is too small, what was I thinking?
Next weekend is the next race at Road Atlanta...
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Mike S.

79 928 Racer 427ci 32v 640WHP
Old 07-30-2009, 01:47 PM
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