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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
I will be replacing my spark plugs on my 2001 Explorer Sport (4.0 L - SOHC). The guy at Auto Zone say's to use the more expensive platinum plug's since that’s what came from the factory. Makes sense... BUT, can I use the less expensive copper plugs? Will performance be lost? Any advice would be...
