Quote:
Originally Posted by all american boy
Here is something from our own experience.
That last thing is 'heat range'.'Hot' or 'cold' plugs.
We lean towards 'hot' plugs.Sounds like it provides more complete combustion.
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But that "hot" heat range plug may start to glow red during full throttle application. Then what? Pre-ignition, that's what! There go the tops of the pistons!! You only need hot plugs as a crutch to keep a slobbering rich engine running at light throttle (or to keep an oil burner running a little while longer).