Only going to turn due to excessive heat. And if its that hot that far from the head, think of how hot the head and valves are getting... again.. plug read that side. Again. Actually do both.
MarkIII,FFR1003975RD, IRS,3.27's,pin drive,FE,toploader.... SOLD!!
68 F100 Shorty, 418cu. FE, C6, 9inch(in progress?)
2012 Street glide,103
"A man has got to know his limitations"