Date: Tue, 20 Feb 2001 07:02:51 GMT From: Laurie Cowcher <viggen_convnopsamAM.cowcherit.com> Subject: Re: What does putting a turbo exhaust on a non-turbo engine do?
Bob <uctraingnopsamanet.com> wrote: >On Sun, 18 Feb 2001 23:30:37 -0800, "Mark Jefferis" ><jefferisnopsamuoregon.edu> wrote: > >>What does putting a turbo exhaust on a non-turbo engine do? Specifically, a >>Saab 900, 8-valve, 1986. > > >Typically makes it very loud. May gain a couple of HP, not much. > >bob Don't non-turbo engines require back-pressure from the exhaust to run efficiently. Reducing this pressure by installing a turbo specific exhaust can actually reduce performance and economy. I may be wrong, but I have seen many posts saying don't install that "3 inch free flow exhaust" on a non-turbo. Regards, Laurie Cowcher '99 Viggen Convert. '97 900SE Talladega Convert
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