Best plug .... Autolite 388 or 3116 ???

Posted by Crazy Horse on October 08, 2012 at 11:55:23 from (108.173.38.154):

Continuing on with my questions on plug fouling for my Farmall A, lots of good advice so far. I'm getting plug fouling (oil) using Autolite 386's which are the standard plug recommended it seems for the model A. I can get either 388's or 3116's from the local NAPA store. First, I have a magneto ignition system. It seems the 386's are the hottest of the two choices but they are resistor (or noise suppression) plugs and apparently not recommended for magneto ignitions according to stuff I've read on the internet. The 3116's are non-resistor plugs (recommended for mags apparently) but are not quite as hot. They lie somewhere between the 386 and the 388 series heat ranges. Any comments on which way you'd to if you had to choose? The tractor is not regularly driven and when it is, not used for long extended periods of time.

Replies:

• Re: Best plug .... Autolite 388 or 3116 ??? dougct 15:14:02 10/09/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? Harold H 09:02:47 10/09/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? glennster 06:46:12 10/09/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? gene bender 03:00:41 10/09/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? randy hall 20:30:18 10/08/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? Paul from MI 19:14:02 10/08/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? John T 17:05:15 10/08/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? MisterT 12:49:47 10/08/12 (0)
• Re: Best plug .... Autolite 388 or 3116 ??? Jason S. 12:41:12 10/08/12 (0)

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