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Problem with my Roush 402 S/R
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05-12-2013, 10:23 PM
RodKnock
Senior Club Cobra Member
Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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If you have an MSD box, then I believe you gap your plugs at .045 or .010 larger than the recommended gap w/o an MSD.
RodKnock
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