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redracer95 · 10-23-2014, 09:30 AM

I recently picked up a 2011 LT 4x4 with a 5.3 and 7900 miles on it. would there be any advantage to switching out the sparkplugs and plug wires to a diamond fire type plug and getting a set of bigger plugwires? ie MSD or summit brand. or is it a waste of money?

10-23-2014, 09:30 AM	#1
redracer95 Registered User Join Date: Dec 2010 Location: oak harbor, ohio Posts: 133	plugs and plug wires I recently picked up a 2011 LT 4x4 with a 5.3 and 7900 miles on it. would there be any advantage to switching out the sparkplugs and plug wires to a diamond fire type plug and getting a set of bigger plugwires? ie MSD or summit brand. or is it a waste of money?