AS SOME OFF YOU KNOWI CRAKED MY LAST ENGNIE. Here IS MY 418 BUILD . IT START OUT WITH A 70 340 THAT I GOT FOR 500.00 DOLLORS
IT HAD THE OLD SCHOOL COPPER RINGS IN THE HEAD SUCFACE,HAD IT CUT OUT BUY A MACHINE SHOP . BORE .0.40 DECK .0.40 THAT CUTTI NG OUT THE COPPER RING OUT.
GOT IT BACK...