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Re: Platinum Plugs (was Re: Spark Plugs)
I have bosch platinums in my '87 4KQ. Only been in about a month, so its
really to early to tell differences. Add to that the end of winter and
generally improving gas mileage (asmwell as attitudes) & I'm not sure
I'll ever have a really good test. If they last as long as my old
plpugs--some champions--I'l be happy. they were in the car for 22 months
and it never missed a beat.