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Anyone into go-kart racing (i.e. shifter carts)?

Hey everyone, I have a CAI,Blitz catback,Hks hedder,and bov. I just orered Good speed d/p. My queston is am I curently running too lean and after the d/p install how will the a/f be. The boys a ESX say the stock ecu
is able to adj. the a/f ratio. Once the d/p is installed i will be installing a extra singal wire o2 and gauge. This is ok for a quick referance but not acc. enough for me. Dont have the cash for wideband o2 test tool.

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