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51 MERC-CT · 09-19-2020, 05:43 PM

Been using E3-10 plugs for a few years now.
They are stubby plugs with about a 1/16" shorter reach than standard H-10's but the protrusion into the chamber is virtually identical.
Main difference I noticed was easier starting.

09-19-2020, 05:43 PM	#3
51 MERC-CT Senior Member Join Date: May 2010 Location: East Hartford, Ct Posts: 5,898	Re: E 3 spark plugs Been using E3-10 plugs for a few years now. They are stubby plugs with about a 1/16" shorter reach than standard H-10's but the protrusion into the chamber is virtually identical. Main difference I noticed was easier starting. __________________ DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES