Quote Originally Posted by Zef_66 View Post
606s aren't bad. But you can run a cooler plug to help fight KR, which is an enemy for our cars. But no, cooler plugs do not have a hotter spark. They have a cooler spark. Same idea of running a cooler t-stat. To help prevent predetonation due to excessive heat.
Fixed. But yeah... that is why they call it dropping a heat range down. The blower increases the IAT tremendously and in turn, running a colder range spark plug to combat predetonation. Have you been constantly scanning your KR?