Ok I got some plugs from a local speed shop he recommended the accel u-groove sprak plugs he said thats what he uses in his car and that all he sells to the guys spraying nitrous. Has anybody had any experience with them. I know evryone on here is going to recommedn ngk tr6's but these were on the shelf and I took em so does anybody think they will be fine for my nitrous app. When I start spraying a larger shot on my new motor I will get ngk's. Also what gap is everyone spraying at I will only be spraying a 75 shot. Im thinking .035 gap.

 

Ttt...

 

What did they come gapped at? The NGK TR6 are gapped at .035 so that sounds like a good place to start to me. I have read that some people use .030 but I just left mine at the factory setting. Maybe if I go to higher boost levels I will look at tightening up the gap a little.

 

I think they are at .045. I just put a feeler qauge on one of them I dont know if the rest are going to be the same but I think I need to atleast go with .040 gap.