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gsxrken gsxrken is offline
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Join Date: Sep 2002
Location: Westchester County, NY
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Originally Posted by mark houghton View Post
Your Innovate AFR setup may read a bit lean due to air possibly being drawn in through that exhaust leak. Hopefully not an appreciable amount, but something to be aware of and lose sleep over.
That's counter-intuitive to me. Pressure always goes from high to low, and there has to be more pressure in the exhaust tubing than atmosphere, particularly on a turbo car. I could see a leak lowering the volume of exhaust, but not the ratio.

An intake leak, on the other hand, would alter AFRs.
1986 930, 1969 Mach1, 2003 540 Sport, 2016 R1200RS
Old 03-09-2010, 11:03 AM
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