Thread: Best spark plug today????
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Old 06-14-2011, 11:28 AM
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dromano dromano is offline
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Best spark plug today????
What is the best plug being installed today?

I have Bosch +4's, still get 21-22 mpg combined city/hwy. This in a 92 @124K+ miles, 20 years old in October.

Are the iridium plugs the top choice?

TIA
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