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Hot Rods Buick Straight Eight spark plug

Discussion in 'The Hokey Ass Message Board' started by LONG, Jun 3, 2014.

  1. LONG
    Joined: Aug 20, 2011
    Posts: 292

    LONG
    Member

    Hey guys. What plugs are you using for the S-8's.
    I have a 52. 263 converted to 12v with Pertronix. Currently installed auto lite 86's.
     
  2. LONG
    Joined: Aug 20, 2011
    Posts: 292

    LONG
    Member

    any preference? NGK? heat range, gap?
     
  3. kuhn1941
    Joined: Feb 15, 2013
    Posts: 194

    kuhn1941
    Member

    I run original 6 volt system with points ignition . Also ran autolites in the past , now run ac delco 45s .

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  4. LONG
    Joined: Aug 20, 2011
    Posts: 292

    LONG
    Member

    Thanks Kuhn.


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  5. LONG
    Joined: Aug 20, 2011
    Posts: 292

    LONG
    Member

    forgot to update. have been running NGK xr5 plugs .035" gap.
    some notes from my emails with Pertronix. Andrew,


    We have seen more and more failures because of the use ofsolid core wires.
    So,as of the end of last year and of course this year. Engineering has said allunits need to be used with suppression core plug wires.
    Andy,

    We prefer wire with 800 ohm per foot or less. NormallyHEI type wire would be good.

    I ended up running Accel super stock universal wires.
    IMG_3870.JPG
     
    knucklepower likes this.

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