Why?
EGT reacts slower, so by the time you know something is wrong, things are already going on, right?
Why is the EGT a better gauge to have?
EGT over A/F?
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EGT over A/F?
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vrg3
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High EGTs can happen even if you think you're running a good mixture, and can still be dangerous.
They're not really alternatives to one another. It's good to know both the air/fuel ratio so you can quantify what your tuning is doing, and the exhaust gas temperature because it's an indication of combustion temperature..
(I presume you're talking about a proper wideband air/fuel ratio gauge, not the little 10-LED dealies, which are of very little use.)
Oh, and also, if you get a good unshielded probe EGT readings don't lag very much at all. The probe won't last that long, but it will work well.
They're not really alternatives to one another. It's good to know both the air/fuel ratio so you can quantify what your tuning is doing, and the exhaust gas temperature because it's an indication of combustion temperature..
(I presume you're talking about a proper wideband air/fuel ratio gauge, not the little 10-LED dealies, which are of very little use.)
Oh, and also, if you get a good unshielded probe EGT readings don't lag very much at all. The probe won't last that long, but it will work well.
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