The R (resistor) versions seem to run better in the Lifan engines from personal experience and what others have posted.
I am ashamed to say that I can't remember (probably just too darn old : :? ) if a DR7EA runs hotter than a DR8EA. Can somebody remind me about this?
Are the lower numbers hotter or cooler?
Also if you set your gap to the small side is it hotter or cooler than the wide side of the gap tolerance?
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