Pulled spark plug

[carryon525]

They have been in for ten years however motor only has 4000 miles since the rebuild. What sign is this??
Auto lite 24's thoughts and recommendations also stick with 24's or is there something better?

 

[MAK507]

Same plugs for ten years?? Or just the 4k miles?

I was recommended by several here on the board to use Auto Lite 23s gapped at .30


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[Mr.Spool]

What sign is this??

well there are things about the plug I don't like but leaving that aside go grab a new set of autolites 23 and have them read by someone.

 

[carryon525]

Same plugs for ten years?? Or just the 4k miles?

I was recommended by several here on the board to use Auto Lite 23s gapped at .30


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Both ten years and 4K