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AFR meter or Gunson ??
Hey all, figured I would toss this out. I'm looking for a device to measure the CO on my 78 SC. I don't have an O2 sensor so what I have is a basic CIS system. New 3.2 short stroke rebuild with nice new SSI's that I'm not willing to weld a bung to! I love the accuracy of the AFR that Wayne is selling but I think it might be over kill for me. The Gunson is +/- .5% and that seems a bit coarse. Any thoughts on which one to spring for?
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