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Registered
Join Date: Dec 2019
Location: Florida Panhandle
Posts: 1,528
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Original lambda system intact, new O2 sensor, new O2 relay. At cruise throttle AFR waivers around 14.3 goes to about 13.5 at WOT.
I do have SSI exhaust but surely it would not make that much difference at idle. JBell custom AFR gauge that I sent back to him to verify it is calibrated correctly
14.3 at cruise and 13.5 at WOT seems in the ball park but 15.8 at idle seems out of whack with lambda hooked up. I can super richen it by turning the mixture screw to force the system to 14.4 at idle, but then it will be so rich it surges badly and won’t start (too rich).
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