which one is better and i am buying the ngks
I no longer have my 99 rs because i totaled it!!!
I'd go one range colder......BKR7E11, and gap then a little tighter than stock.
just one range will be fine, with the NGK BKR7E-11, id just use the gap that they come with.1997 Silver RSWiseco 8.8:1 Pistons(back to low compression!)Eagle RodsT3/T4 TurboCustom FMICGreddy Exhaust390'sMost current 1/8th mile time: 8.3@90mph 2.015 60'(Nitto Drag radials, i suck)