Topic: Spark plug reach


thirtysixford    -- 08-22-2022 @ 11:56 AM
  I'm sure this has been gone over but what is the correct plug reach for a 59 AB stock heads?
I have been using NGK B-6L I noticed the first couple of threads going into the head are discolored like they were into the chamber too far.
NGK numbering system says L is for long reach.......




ford38v8    -- 08-22-2022 @ 3:42 PM
  Dunno, but why not just use the plug it's supposed to have? Champion H10, or H10C as available today.

Alan


alanwoodieman    -- 08-22-2022 @ 7:57 PM
  use autolite 216 and leave the H10 and H10C for the lawnmowers


51504bat    -- 08-22-2022 @ 8:35 PM
  Ford called for H-10 Champions back in the day. And yes today they are packaged and sold as lawn mower plugs. I've run H-10's and Autolite 216's in my 8ba. Didn't really notice any differences. I'm currently using 216's but I'd go back to H-10's without any hesitation.

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