05-02-2005, 06:59 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Mach 1.....make sure that both dynos were Dyno Jets. There are several brands of dynos.....A Mustang brand dyno will show 15-20% lower than a Dyno Jet brand dyno.
My buddy just had his 03 Cobra dyno'd on a Mustang Dyno. It made 404 rwhp. He had it dyno'd on a Dynojet a couple of months later.....it showed 451 rwhp.
This is a common knowledge in the dyno world....each dyno works or is calibrated differently and will show different results.
If you just used two different brand dynos, that could be the reason.
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