Thread: I got a cupple

Ok first off I seen that spark plugs are $3 off a pack of 2 so I'm gunna replace them but I was wondering if i should go with the stock 606's or if i should go a heat range higher (the only thing I have done to my car is put a 2 1/2 dp with a high flow cat and a drop in k&n filter don't rag on me it works fine) So anyway if I should go a heat range higher what plug are they. My second question is how mutch are the gaskets between the TB and the UIM. I finaly cleaned mine as best I could without takeing it off and it starts sooooo much smother

No way would I go higher, you could destroy your engine.
606s are where you want to be IMO.

You won't destroy your engine with to cold of spark plugs...it'll just get crappy gas mileage and not run as good. Get 606's or 605's...basically the same plug.

go lower as these guys stated.

dont go lower than the stock heat range unless you have a smaller blower pulley. its useless.