So I was putting some TR6's in the other day, and found that the
stock plugs (26k miles on them) looked OK, for the most part.
The only exception is cylinders 1 and 2. The look like this...

https://www.f150online.com/galleries....cfm?gnum=1871

I don't have the 'ol Chilton's manual infront of me. What does this mean, again?

Thanks,
-Kris

 

Oh yeah...
I forgot to mention that the only mods are chip-n-filter, and Bassani cat-back.

 

Go Here to Chuck's Site, email him and send him a link to your picture.

http://home.midsouth.rr.com/lightningpage/