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Sounds rich.


Check into a wide-band o2 gauge and/or recorder. Step into the 21st century and forget looking at plugs.

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I'd need to put one in each header, right? I've been thinking about this, actually

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Ideally, yes.

But one could assume matching jets and idle screws on both banks would get you close on the unmonitored bank. Even that way, you'll be able to fine tune idle, part-throttle cruise, and WOT far more efficiently than reading plugs.


I wouldn't hesitate to buy something like an LM2 duo, or similar, if I was going to be running a carb'd car down the road. Log inductive RPM, each banks A/F and i think engine temp or a couple other parameters could be monitored with that.

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