3 347 Pony New Member Jan 14, 2008 36 0 0 Sterling, VA Feb 13, 2008 #1 Feb 13, 2008 #1 I just got my heads back from the machine shop and I am wanting to put it all back together tonight, what plugs do you all suggest for gt40 y302 heads? It is a high compression 347.
I just got my heads back from the machine shop and I am wanting to put it all back together tonight, what plugs do you all suggest for gt40 y302 heads? It is a high compression 347.
PUNISHER RACING Active Member Aug 27, 2007 1,124 0 36 FORD CITY, PA. Feb 14, 2008 #2 Feb 14, 2008 #2 Autolite 3924's gapped to .045
SVT32VDOHC waiting for the next hack atta Founding Member Nov 22, 2001 3,501 28 119 Motor City Feb 14, 2008 #3 Feb 14, 2008 #3 Motorcrafts. Opinions are like a$$holes, everybody has one. You're gonna get many suggestions.
