Posted: Wed Oct 16, 2013 11:14 am Post subject: Plug upgrade, correct gaping?
I've had my autolite 104s in for about 40k miles, my understanding is they are 1 heat range colder, I was thinking of changing them out for NGK TR6's. The TR6's are 2 heat ranges colder, correct?
First question: can I, or better yet, should I? Be running the NGK TR6 with my mods? 04 impala SS, k&n intake, 180* t stat, p-log, 3" catted DP, 2.5" magnaflow cat back, 3.4 pulley, 1.9 yella terra roller rockers, 105# comp springs, in car tune by overkill. I am going to be adding headers in te next few months.
Second question: what gap do you recommend for both the 104s and the TR6's? Ive heard a few different opinions. Whichever one I choose, I would like to have it gapped correctly obviously.
Or you could keep that import crap part out of your American made car.. Or Canadian. Whichever is really correct
Yes because the original plugs that came in the car were made by japan (ngk) for American use were not considered import because they had an ac delco stamped on them for your American made car that was acutally made in Canada. Nice dude.
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