408Typhoon
New member
I have a basic stock engine with the vortec heads. What kind of spark plugs should I run?
408Typhoon said:I have a basic stock engine with the vortec heads. What kind of spark plugs should I run?
ya, do what he says :tup: :lol:10secTy said:I like TR7IX gapped at 0.028
Nolan
sycho said:NGK UR5's part #2771 work well for me.
10secTy said:UR's are for stock heads TR's are for vortec heads.
5's are hotter than a stock plug I would not run them you would be better off moving to a 6.
Nolan
Six-is-Enough said:Would there be any advantage going to a "racing" plug, so you could go even colder like a 7 heat range? Or would it be to prone to fouling?