I have only started the engine to see if it has gotten any better. Other than that, it's been sitting in the driveway. I have a shitty auto meter air/fuel gauge and it says I'm in the green. I'm gonna get the 550's and a piggy back system and scrap the a/f gauge and get a wideband. Just wondering if there is a preferred piggy back to use, or are they all pretty much the same?
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