Sorry for sounding lime a noob but I can't seem to find a straight answer. Whats the best plug to run on these Machs? I read ngk tr55 gaped at like. 054 and then heard word of ac delco? I know the cobras love ngk so what do the machs like? Car just has intake and catback.
noob sparkplug question
- Thread starter brentsSVT
- Start date
Ngk's.......but all you'll notice is a slightly smoother idel.......dont except any noticeable performance gain.
NGKs are no better than autolites in a stock engine.
Motorcraft is fine. Maybe go 1 step colder if you have some mods and a tune.
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