rcamacho 1/2 ton status Joined Jul 1, 2004 Posts 1,324 Reaction score 16 Location WA Mar 28, 2007 #1 I'm picking this up tomorrow on a lark. It's from a 2wd '69GMC. Any idea if it's a 420 or 465?
Jimbo* 1/2 ton status Joined Mar 8, 2005 Posts 1,449 Reaction score 9 Location roswell, new mexico Mar 28, 2007 #2 SM465 has PTO covers on both sides, whereas SM420 has only one PTO cover. Jimbo