[whitesswj]

the only thing i found on the block that resembles was h38 and directly below it was 509 those numbers were found on the rear of the motor right beside the driver freeze plug and then i found 207 under neath the other freeze plug on the rear and on the top of the rear part of the block behind the heads on the pass side was 141

on the heads i found the number above and then GM then below that was 70 and then somewhere else i found 866 and then on the pass if ound on the outside of the head stamped on the front of the head MH5132 and on the driver i found MH5148 thats all i've got maybe a few more. thanks sswj