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plug gap on 260 merc?

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  • plug gap on 260 merc?

    can someone tell me the correct gap for my merc engine 1978 mercruiser 260

  • #2
    Re: plug gap on 260 merc?

    sparkplug that is...

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    • #3
      Re: plug gap on 260 merc?

      Ayuh,... .035 I believe.... Somebody will correct me otherwise...

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      • #4
        Re: plug gap on 260 merc?

        My 88 was .030 per the valve cover sticker

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        • #5
          Re: plug gap on 260 merc?

          .035 Is the gap you want.
          Denny
          1988 stingray svc 207 ss w/ Cuddie cabin
          w/1987 mercruiser 5.7 thunderbolt IV ign. alpha 1

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          • #6
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            Re: plug gap on 260 merc?

            thanks for the help..im going .035

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