Quote:
Originally Posted by pwd72s
...what's the difference between regular platinum plugs and double platinum plugs? ..
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Well, they're "double" platinum. You know....there's probation and then there's secret probation and then there's double-secret probation.
My Mazda takes the iridium plugs. Combustion chamber environments in today's cars are just too much for a regular copper-core plug. The Mazda would eat them up.