IS THERE ANYTHING LIKE A PREFORMANCE GAP FOR THE SPARK PLUGS OR LIKE PREFORMANCE MIXTURE SCREW ADJUSTMENT?

  • Tiny
  • isuzu8595
  • 1985 Isuzu Truck
  • 120,700 miles

Need more power

Sunday, January 22nd, 2012 AT 7:26 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

Check engine compression if its within specs if not its useless to give it a tune-up

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Sunday, January 22nd, 2012 AT 7:34 PM

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