I,D JUST DO A CLEAN UP PAS ON CYL HEAD SURFACE, 1.84/1.60 VALVES AND GO WITH FLAT TOP 307 PISTONS. I-6 ENGINES ARE BAD ABOUT CRACKING CYL HEADS AND THE LESS YOU CUT THEM THE BETTER OFF YOU ARE . JMO
BOB


I BELIEVE IN " JOHN 3:16 "