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Does anybody use these: SPARK PLUG INDEXING WASHERS?

Discussion in 'The Garage' started by Krazy_Eskimo, Mar 14, 2002.

  1. Krazy_Eskimo

    Krazy_Eskimo Registered Member

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    New England / Tri- State Area
    Just trying out different configs...want to know if these are worth my effort to install them and try them out.
     
  2. jimmy88

    jimmy88 1/2 ton status

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    tried them when I got a Jacobs ignition. Didn't notice any difference when I put new plugs in without them. forget about them.
     
  3. Mobile_Mechanic

    Mobile_Mechanic Registered Member

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    The only time I used them was on a race engine. High compression engine, domed pistons etc.. only to keep the electrode from hitting the piston. Not so much for performance.
     
  4. Thunder

    Thunder 3/4 ton status

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    Northeast Nevada
    Not really worth it for a truck. Indexing plugs is usually used for squeezing every little bit out of a high reving race engine.

    Side gapping them does work to gain power. But they dont last as long
    Heres more info on side gapping:<a target="_blank" href=http://performanceunlimited.com/illustrations/sparkplugs.html>Performance Plug gapping info</a> (may take a few to load)
     

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