what plugs?
#5
Depends how much NOS are you going to run?How much compression does the engine have?Will the car be drove on the street alot?Are you running a MSD ignition?What plug are you running right now.You may be able to run the plug you are useing right now depending on the factors above.Please give more info. Thanks Mark
#6
your gonna most likey need a colder plug than NGK TR-6. Do they make a 7? I think I am running AC R42LTS. I can't remember but I think thats it. It is 2 heat ranges colder than stock. A tr-6 plug is only a half a range colder that a tr-55. There r a lot of factors to use when deciding like an early post stated. Alan
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