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Old 06-06-06, 08:15 PM   #469 (permalink)
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GregF
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Join Date: Apr 2003
Location: Sydney, Australia
GT40: 1:18 scale Gulf - got to start somewhere!!
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As I understand it, it all depends on drive line loss ie: gearbox, tyre size/pressure etc. which is different for every car. As I understand it, about -15-20% is the ball park. If you talk to three different dyno operators, you usually get three different answers - bit like Economics graduates. My guestimate would be that yours is putting out in the region of 430-450hp at the fly.

I always use the same dyno and he uses the same settings every time, so at least I can compare apples with apples. If driving the car gives you sweatty palms, then you know the power is sufficient.

You can always do what Rolls Royce used to do - just quote the power as "ample"!

Cheers
Greg
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