Well, according to NAPA, Autolite 86 is the plug for the 347. I was able to replace the right side before it started to snow tonight. When I pulled the "oil firing" plugs, they just looked sooty, not oily.


Scott

1964 GMC 1002 Long Wideside w/305E V6 & sm420 "Blue Jeans"
1996 Harley Davidson FLHTCI
1981 Husky 250CR
http://community.webshots.com/user/gmc1002hf5669a