You already answered the afr question.
So I know people run anywhere from 15-25+* of timing but what would be the result of running too little timing?
Thanks again!!
A safer spark event, but less than optimal power, but generally more top end power. As RPM increases so does piston speed which means your incoming air charge (mixture) has less time to burn. Which means at higher rpm, the sooner the plug ignites, the more time the flame has to "travel" per stroke resulting in better efficiency. Also undserstand that is a very general description and does not encompass all situations as every combination/engine is different.