Quote:
Originally Posted by blykins
I'd have to see the plugs but a hotter plug has more porcelain exposed which is a hot spot for fuel to hit.
You can try a 3910 plug and I'd like to see how much transfer slot you have exposed at 1200 rpm.
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No problem for me to try AR 3910 plugs. I've been told to use the factory gap for AR plugs, do you agree?
For the transfer slot, I just pulled the carb off again and was planning on setting it square and getting the faster idle using the solenoid. This way, when the solenoid is disengaged I will go back to a square transfer slot setting (I think the idle is fairly low there). In the past, I started with square transfer slots and then changed the primary and secondary butterfly positions equally to get the desired idle speed, letting the transfer slots fall where they do. Should I be setting this differently?
Separately, thanks for the tip Chas. I'm going to try the colder plugs but if I still get run on I'll try it.