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Old 02-01-2016, 10:30 PM   #4
toolboxchev
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Join Date: Jul 2015
Location: 2nd left past the stump on a dirt road.
Posts: 2,629
Re: Yet Another Spark Plug Question

I believe most of the opinion I have heard on these is that they would actually do some good in an aluminum headed motor.

Others will ring in on this.
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