- Jul 25, 2006
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What do you guys think is the best plugs to put in a 4.6. It's pretty much stock. Its got MSD wires and coils, cold air... you know nothing major. I have heard that NGK's are good for them. Any advice? Thanks.
Actually I recommended the copper plugs which are only good for a couple years. The platinums are the 100k ones...Stang|ess said:what killy said. those plugs should be good for 100,000 miles![]()
hotrodnut said:NGK TR55's.![]()
svttech76 said:best plugs on a 4.6 are properly tourqed ones.. make sure you tourqe them right and check them often.
svttech76 said:best plugs on a 4.6 are properly tourqed ones.. make sure you tourqe them right and check them often.
fastangboi said:i wouldnt run Champion in a lawn mower! crapy
RandyStinchcomb said:I was thinkin' the samething
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Motorcrafts are about the best for the price, stay away from Plats if your going to "hammer-it" I always suggest 1 step down in heat range for stock(AGSF-22C) and 2 steps down for modded cars. me, I use Champion plugs as they offer a wider selection of heat ranges and tip-configs, but mines not a street car..............anymore
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stangGT97 said:randy, could you explain why you recommend a heat range colder for a stock 4.6?