440 raw water cooled at 140 degrees what plugs

georgeinbeverly · May 21, 2009

I am using Champion RJ14YC at

I am using Champion RJ14YC at 140 degrees
do I need a different heat range than the standard plug ??

fastjeff · May 21, 2009

That's the range I run as

That's the range I run as well. Keep an eye on the plug colors after a hard run or two and you'll be sure.

Jeff