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Thread: Wires for LM318

  1. #1
    Join Date
    Jul 2007
    Location
    brooklyn, NY, United States
    Posts
    90

    Default "Hi all, have a question. I

    "Hi all, have a question. I need to replace the spark plug wires on my LM318. Its a 72 or 73 model year, and was wondering what wires would work on it. I went to the R&S strauss by me but the dimwits that work there had no idea what I was talking about because they needed a certain car year and make to put into their computer. So if any one could suggest what cars wires would fit this motor, I would be grateful. Thanks"

  2. #2
    Join Date
    Apr 2008
    Location
    Bradford, Ontario, Canada
    Posts
    223

    Default "I used an Accel kit for a big

    "I used an Accel kit for a big block on mine, now have the wires running along side the engine instead of between the valve covers & exhaust manifolds,looks a lot neater,easier to get at as well"

  3. #3
    Join Date
    Mar 2008
    Location
    Bruford SC , U.S.A.
    Posts
    324

    Default "That's how I ran mine...r

    "That's how I ran mine...rather than pinch them in between the manifold, let them hang down and plug them in from underneath but you will need longer wires for a big block. Otherwise there are marine wires available online made for Chrysler SB's."

  4. #4
    Join Date
    Jul 2007
    Location
    brooklyn, NY, United States
    Posts
    90

    Default "For which big block? The peo

    "For which big block? The people at the auto parts store wouldn't know a big block from a baby's block, I would have to give them a make and year for a car. How about a 72 or 73 grand fury with a 383 or 440? would those fit? Thanks, I wish I had a good old neighborhood auto parts store that had knowledgeable people, instead of 18 yr old kids at the counter."

  5. #5
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,192

    Default I used big block Chevy (45

    I used big block Chevy (454) wires on mine. The 440 wires had the wrong ends.

    Jeff

  6. #6
    Join Date
    Jun 2000
    Location
    Forest Dale, VT, USA
    Posts
    1,681

    Default "We have some spark plug wire

    "We have some spark plug wire kits here."
    Andrew Menkart
    MarineEngine.com

    "There is no situation in which knowledge is more truly power than at sea."
    - Lord Brassey

  7. #7
    Join Date
    Mar 2008
    Location
    Bruford SC , U.S.A.
    Posts
    324

    Default I don't think plug wires h

    I don't think plug wires have to be marine specific anyway so standard wires for that motor should be fine as long as the boots fit down there.

  8. #8
    Join Date
    Jun 2008
    Location
    Island Heights, NJ,
    Posts
    2,569

    Default I'd go with the longer wir

    I'd go with the longer wires myself if I was doing this job.
    Capt Bob
    1969 23ft ChrisCraft Lancer
    Merc 5.7L 260HP/ Volvo 280
    1972 22ft Bristol
    Honda 7.5HP 4 stroke Long shaft

  9. #9
    Join Date
    Aug 2008
    Location
    Saginaw, Michigan, USA
    Posts
    162

    Default "We have folks go either way w

    "We have folks go either way when buying the wires, it really is up top the customer. If you can't find a set we have them available.

    Dave"

  10. #10
    Join Date
    Jul 2007
    Location
    brooklyn, NY, United States
    Posts
    90

    Default "Thanks all, I'll try the

    "Thanks all, I'll try the 454 chevy wires. I think the longer ones will be easier than threading them between the manifolds and heads."

  11. #11
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,192

    Default "Russell: I'd definitel

    "Russell:

    I'd definitely go with a wiring kit IF you can find one with angled spark plug boots, with the other ends compatible with the Chrysler distributor cap--they all LOOK like they interchange, but they aren't.

    The beauty of a wiring kit is that YOU can make each wire precisely the length it should be. All you need is a wire stripper, a crimping tool, and some patience. Do one wire at a time and all will be well.

    On mine, some of the wires are way too long--sloppy, but still effective.

    Jeff"

  12. #12
    Join Date
    Jul 2007
    Location
    brooklyn, NY, United States
    Posts
    90

    Default "Thats a good idea Jeff, I

    "Thats a good idea Jeff, I've worked with those assemble it yourself wire kits before. There are a couple of high performance auto parts shops in my area, I'll give that a try"

  13. #13
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,192

    Default "If you have a spare, take you

    "If you have a spare, take your distributor cap with you to make sure the ends are compatible. Lacking that, take a wire along.

    Jeff"

  14. #14
    Join Date
    Jul 2007
    Location
    brooklyn, NY, United States
    Posts
    90

    Default "Good idea, I have a couple of

    "Good idea, I have a couple of spares, and will definitely bring one along"

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