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Old 09-08-2011, 09:23 PM
twin turbo twin turbo is offline
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Join Date: Mar 2009
Cobra Make, Engine: FFR
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Rousch #1, no doubt dyno numbers are mainly a tuning guide. Mustang dyno's usually read lower than a dynojet, but at least they are rwhp ratings. Flywheel hp ratings don't take into account drivetrain loss, much less loss from sidepipe restriction. Look at the Daytona Coupe replica's, they get killed on rwhp due to sidepipe restriction. A better measure is mph in the 1/4, that will usually give a better guide of what power a combo is making. Cheers.
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