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air fuel ratio

  1. FYI - Gutted Cats May Cause p219a Code

    For the last several months, I’ve been dealing with code P219A on my 2021 Mustang Mach 1 equipped with a Whipple Gen 5 Supercharger. Unfortunately, my stock catalytic converters clogged up, and I took the cheapest route to fix the issue — gutting (hollowing out) the cats while keeping the...

  2. GlowShift gauges

    Anybody have any reviews on the GlowShift gauges? I have seen mixed reviews online and am wondering if they are worth it and accurate.

  3. Lund flex fuel tune on 93 high alch_pct

    I've been using 93 pump gas since I got the tune and initially AFR at idle was 13.5-13.8, and 11.4 or so at WOT. Now it is at 12.7 at idle and 10.4 at WOT. Still using 93 oct pump gas and alcohol % is showing 32%. Anybody else get this? What'd you do? Edit: Solution on page 2.





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