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spark plug wire routing question

Discussion in 'The Hokey Ass Message Board' started by parabola, Apr 17, 2011.

  1. parabola
    Joined: Mar 31, 2010
    Posts: 256

    parabola
    BANNED
    from OR

    Hello,
    I have installed a Summit Racing distributor with built in coil. The wires that came with the kit seem to be to short for my SB 327.
    Does anyone have a wiring diagram, or any gouge on how to route the wires to ensure they do not get burned by the exhaust.
    I have a Chevy tech manual, but it seems like I'm doing something wrong.
    Thanks,
    Jim
     
  2. cwayne
    Joined: Dec 24, 2009
    Posts: 220

    cwayne
    Member

    are you running headers? or stock??
     
  3. parabola
    Joined: Mar 31, 2010
    Posts: 256

    parabola
    BANNED
    from OR

    stock exhaust manifold.
     
  4. cwayne
    Joined: Dec 24, 2009
    Posts: 220

    cwayne
    Member

    Almost always if you run stock exhuast you have to run the wires down under the manfold which will take longer wires. I was looking for a picture of one in my group of pictures but everything has headers on them..
    easy to do if you're running headers. If you ran something like this (picture) to hold the wires and loop them out and over the stock manfold it might work just don't know how it would look...
     

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  5. Dan Timberlake
    Joined: Apr 28, 2010
    Posts: 1,578

    Dan Timberlake
    Member

  6. parabola
    Joined: Mar 31, 2010
    Posts: 256

    parabola
    BANNED
    from OR

    You're correct, they need to go under the manifold. I'm having a hard time getting them routed in a way they won't touch anything that will melt them.
    I think Summit's wires are not long enough for the large size of their distributor.
    Thanks for the help,
    Jim
     
  7. squirrel
    Joined: Sep 23, 2004
    Posts: 59,971

    squirrel
    Member

    stock exhaust manifolds? which ones? The manifolds that were used on most chevy cars in the late 70s when HEI became popular are the ones that dip below the plugs, so the short plug wires work fine. But if you have rams horns or something that were designed so the plug wires go down behind the heads, along the pan rail, and up to the plugs from the bottom, you'll need longer plug wires. Try ordering the wires for a late 70s corvette, they used rams horns and HEI.
     
  8. parabola
    Joined: Mar 31, 2010
    Posts: 256

    parabola
    BANNED
    from OR

    Jim, thanks for the help.
     

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