Discussion in 'Maintenance & Upkeep' started by Blacksheep1, Mar 28, 2011.
Whats the best plugs for a 98 4.3? Any between low end AC and their premium lines?
Ac delco Platinum plugs.
I always use what A/C Delco plug came in the truck.
Does Delco make an Irridium?
Yes. however not called for in your motor. and there isnt a performance gain from using them.
Thanks Just trying to squeeze ALL the mileage I can outta her! LOL
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