spark plugs

[svtman28]

Calling all SVTF gurus. I need to know what plugs I should run with the jrsc. part # of the orignals are ayfs. And also do I really need to put the stock crank pully back on, I have the FC pully kit installed now. So please if you know can you pass the info along. Thanks in advance.

Jeremy

 

[elliot400]

The stock plugs are ok, if anything go with one stage colder, and denso iridium if you want to spend the money. You must but back the stock crank pulley, otherwise you are underdriving the blower pulley, no good for making power. I went 2 stages colder plugs, becuase of the nitrous. You can get the plugs on www.c-f-m.com. When you click on the iriduim plug icon, it will ask what temp you want(stock, 50hp over stock, etc). Good luck bro! E-

 

[svtman28]

Thanks elliot

Jeremy