Quote:
Originally Posted by blykins
Probably less.
I'd say you lose ~20% with drivetrain and exhaust losses on a Cobra.
How are you getting your own dyno numbers? On an engine dyno with Cobra headers and accessories running, or on a rear wheel dyno?
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I had mine broken in on the dyno and then measured with the pipes and accessories on it. I do not know what my rear HP numbers are, but I've always viewed dyno numbers on an engine that is being measured in a state that you're never going to see under the hood as being bogus. So you're in agreement that Rod's flywheel numbers with his pipes on and accessories on drop from 610 to below 525? Excellent. Take that, Rod.
