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What are best plugs, stock 305
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11-04-2009, 06:10 PM
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pcwillsie
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Join Date: Mar 2007
Location: oklahoma
Posts: 118
Re: What are best plugs, stock 305
a good plug to run on an older 305 or 350 in these trucks in my past experience is ac delco r45ts they are just a little hotter of plug than factory and seem to work really well.
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