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Re: HELP Please exhaust back pressure specs
I don't think those specs are indicative of NO POWER. I've
seen 6 to 7 psi at 2500 to 3000RPMs @ WOT on perfectly
normal vehicles. Usually a 6 or 8 cylinder with 1 cat.
Generally when I have no power, I find 10PSI or more on a
no-load snap. ![]()
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