85_SS_302_Coupe it sucks (I know) to be on the receiving end 15 Year Member Nov 11, 2003 6,945 1,598 223 Northern KY May 7, 2009 #1 May 7, 2009 #1 Just curious what others are running for their 347s. I have iron heads so i don't know if that makes any difference or not. I think i have Autolite 25s in there now. It's 9.25:1 compression.
Just curious what others are running for their 347s. I have iron heads so i don't know if that makes any difference or not. I think i have Autolite 25s in there now. It's 9.25:1 compression.