Quote:
Originally Posted by PaulSpringmann
Back pressure at 4000 RPM is about 18psi. Service manual seems to indicate 2 bar is OK, but that is in the manual section regarding the trap, so I don't know if that figure is relevant. 18PSI seems like it would be a problem to me. Thoughts?
Thanks
Paul
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If the vehicle is in your driveway, in Park, and is producing 18 psi @ 4000 rpm, you absolutely have an exhaust restriction. Remove the downpipe from the manifold and take it for a drive (ignore the noise).