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Marine Plug Wires

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  • Marine Plug Wires

    Is that a thing or can I just use some 4.3L truck or car ones? What's on there just says 7mm Suppression. I think I know, but I'm asking anyway...

    If the land vehicle ones are Ok, is there a diff. between ones for points ignition system and electronic?
    1988 Renken 2000 Classic/1986 drive; 4.3L, OMC Cobra - 1st boat
    Pulled with: 1997 1/2-ton Suburban, 2WD; 5.7L Vortec, 3.73:1 limited slip rear axle
    Located: Central U.S.

  • #2
    Some wires are better than others. But don't just buy a premade car/truck set. Marine wires are longer to reach around the water jacketed exhaust manifolds. So if you want to avoid buying a marine set, you may want to make them up yourself. You can save a few bucks and get an exact fit. I'd get some wire retainers to hold them apart where they would touch,
    87 Formula F223LS, 2016 383 Stroker, 2019 Davis Unified(HEI) Ignition, Quickfuel Marine 750
    Lake Winnipesaukee, NH

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    • #3
      First, marine wires are generally 12" longer or more than automotive wires

      Second, usually the distributor cap is different,

      There is only about $10 difference between a proper marine set and a good automotive set made with the same wire
      Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

      1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

      Past Boats
      1970 Wooster Hellion - Merc 9.8
      2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
      1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

      What’s behind you doesn’t matter.Enzo Ferrari

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      • #4
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        Ok; I was thinking convenience mostly since everything I need has always gotta be ordered. I'll try to find exactly what I need for it then and order it.
        1988 Renken 2000 Classic/1986 drive; 4.3L, OMC Cobra - 1st boat
        Pulled with: 1997 1/2-ton Suburban, 2WD; 5.7L Vortec, 3.73:1 limited slip rear axle
        Located: Central U.S.

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