At what point do you need 1 degree colder plugs?
#2
I would say yes, you do need to go a colder plug at any time you go blower/turbo/nitrous as i have always done. A colder plug removes heat faster than a warmer plug. I don't know about cams cuz i haven't gotten to do that yet. A heat range of 5 is good for a blower install on a street stang. I would assume if someone was only making 250whp they still have stock or equal to stock plugs and only some bolt ons. Maybe if you got to 300whp N/A you would think about the colder plugs cuz you either have cams or some nitrous and bolt ons, 400whp+ you would most likely have some kind of F/I and would need a colder plug. That is just my thoughts by no means am i am expert. So maybe someone else can answer this ? better.
#5
I've been running platinum plugs for over a year and I haven't had a problem. A cooler spark plug sparks at a lower temp. When you have a blower you need to run a higher octane fuel which burns slower because your compressing more air which leads to more heat. Just like diesels, all that psi makes so much heat it doesn't need plugs and diesel burns slow.
Thats my 2 cents.
Thats my 2 cents.
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