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Re: 6.0 sparkplugs
DO NOT PUT E-3'S in any Chevy with coil packs They will not run right best plug for that truck is an A/c Delco Iridium 41-110 ,don't Gap them even if the box says to they are pregapped , the 41-110's are good for 100k miles just put a dap of anti-seize on the threads
bte there was a post not to long ago about an engine miss noone could figure out and the truck had 2 sets of e3's in it and his problem was cured with a set of ac delcos
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