764s are the stock heat range at least on the 2.5. You really don't need to go colder on that 'small' of a shot, but I wouldn't run it with the platinums in there still.....
Originally posted by Sleeper:
I got plugs (Autolite 764's) one step colder (I think) , and they make a noticable difference.
Track opens at 7pm tonight, and I'm there.
Can't wait to have "The Fastest Zetec" title in my sig.
