On the side of the block. One crack on each side, same length. Just below where the heads mate the cylinder deck. Bout an inch down. Seems like the motor may have sat outside before I got it and had water in the water jackets during cold winter months, froze and cracked? The freeze pugs were not disturbed when I got the complete engine from a local auction for $55.00 Will try to get some pics later this coming week.
