Just an FYI. I'm using a set of 67 heads on a 350 I'm building. These have 2.11 intakes and 1.77 exhausts and with a .030 overbore on the cylinders the exhaust valve will hit the cylinder wall at about than .500 lift. Make sure you check for valve clearance before you torque them down permanently.
-=>Lee<=- Due to budget constraints the "light at the end of the tunnel" has been turned off!