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secondchance · 07-03-2018

I use to run AC Delco Rapidfire #5 and AC Delco wires - non-logo orange color wires. A few years ago, AC Delco went to platinum tips for Rapidfire plugs. Since I could no longer find original Rapidfire plugs, I went to NGK Iridium plugs and had no issue. I still use AC Delco plug wires. Heat range - that's one of those interesting subject...

07-03-2018	#2
secondchance Join Date: Aug 2006 Location: McLean, VA Posts: 3,723	Re: Plugs and wires I use to run AC Delco Rapidfire #5 and AC Delco wires - non-logo orange color wires. A few years ago, AC Delco went to platinum tips for Rapidfire plugs. Since I could no longer find original Rapidfire plugs, I went to NGK Iridium plugs and had no issue. I still use AC Delco plug wires. Heat range - that's one of those interesting subject...