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89 951 Dyno Day Results--Printout VIDEO NOW UP

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Old 01-19-2005, 12:53 AM
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NeedPorscheSpeed
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Originally Posted by Cyrus951
I wouldn't know, but his car seemed to be running fine.

Also, to caculate BHP, you assume there is a 15% loss, and add it onto the RW results, right?
Close, but not exactly. The formula is this, when 15% loss is assumed: RWHP / .85.

In the case of 250 RWHP, for example, you would divide 250 by .85 (250/.85) and get 294.1 HP at the flywheel. With your method, as I understand it, you would have gotten 287.5 HP at the flywheel, which would be a bit short. I hope this helps.



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