« on: August 14, 2010, 09:07:36 PM »
i put e3 diamond fire spark plugs in my 91 sidekick 8v. ever sense i put them in its been idling rough. any advice
should i go back to ngk or Bosch
« Last Edit: August 14, 2010, 09:17:56 PM by airdale navy »

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91 sidekick,8v,sky 1.5 lift,235 tires,full synthetic oils !GM alternator upgrade.Ford Mustang coil.4DR front brakes.