I know I'm quoting a 3 year old post... but damn that seems lean at 5,000 rpms if it's running close to a bar of boost!
Quote:
Originally Posted by Craig 930 RS
AFRs:
12.8 at 4,000
12.1 at 4,500
12.2 at 5,000
12.5 to 12.7 all the way to peak HP at 7,500 rpm
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