S swifter Well-Known Member Joined Dec 18, 2008 Messages 2,391 Reaction score 75 Location wis Feb 10, 2011 #1 What spark plugs are you guy's with 3G Hemi's in your car's using?? Swifter
hemijoejr Well-Known Member Joined Dec 24, 2009 Messages 345 Reaction score 53 Location NJ Feb 10, 2011 #2 swifter said: What spark plugs are you guy's with 3G Hemi's in your car's using?? Swifter Click to expand... NGK Iridiums
swifter said: What spark plugs are you guy's with 3G Hemi's in your car's using?? Swifter Click to expand... NGK Iridiums
0 03ramit1 Well-Known Member Joined May 21, 2010 Messages 1,112 Reaction score 17 Location Glendale Az Feb 11, 2011 #3 NGK are your best bet. The 5306 are a stock heat range for the 5.7 and the 4306 is one heat range cooler.
NGK are your best bet. The 5306 are a stock heat range for the 5.7 and the 4306 is one heat range cooler.
