plugs

Discussion in 'PSI Superchargers Tech Questions' started by blown chevy, Apr 17, 2007.

  1. blown chevy

    blown chevy New Member

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    just changed from msd 7al3 ignition to msd 10 plus,question,we have been running .017 to.021 gap on the plugs any sugestions to gap with the 10 plus. by the way this is a 547 bb chevy 871 littlefield on alky.
     
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    blown chevy, Apr 17, 2007
  2. Mike Canter

    Mike Canter Top Dragster
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    I would stay with the gap range you had. Even with a ProMag 44 you still gap the plugs in the same range as what you are.
     
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    Mike Canter, Apr 17, 2007

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