Yes, we need more info...there is a flat machined surface just in front of the passenger side Head. There will be a code stamped into that pad...what's that code (numbers and letters)? You might have to wire brush/scrap the pad to see the numbers...
The date code is on the back of the block where the bell housing bolts up (behind the distributor and normally on the opposite side as the casting number), it's a 4 or 5 digit code.
Mike B
