Thread: Gramma's Car: the new project!
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Old 02-21-2016, 11:55 PM
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njsteve njsteve is offline
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Default Re: Gramma's Car: the new project!
Oh, if that's the case, I do have an extra set of the .040 gapped NGK UR4 and UR4GP which is the factory heat range for the '72 455HO engines. But that might be too hot of a heat range I imagine?
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