Well, so long as I get these free samples, I'll see what I can put together, hopefully I could put the AFR gauge and Rev counter in the same box, that'd be nice.

AFR gauge is incredibly simple to put together, its just an IC, LED bargraph and a voltage regulator with an input from the O2 sensor which I can hijack from my autotune.

The rev counter is a little more difficult and might require a little ingenuity to get it calibrated.

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09 XT660X:

CCC Stainless Rounds, Stage 1 DNA, Stage 2 DNA, PCV With Custom Autotune Map, PCV AutoTune, Home made O2 eliminator, Self machined Fork Spacers, DIY Autotune Switch.