FINALLY GOT IT BACK!

Warranty engine taken apart after sitting 47 years! Need the experts to help. Bigger letter D on top of pistons? Pencil written on back of pistons 40 1-8 assuming cylinder numbers? part numbers on pistons are 2899480-81 notice pan rail is blank on both sides and no raised spot where vin usually is

motor1.jpg

motor2.jpg

motor3.jpg

motor6.jpg

motor7.jpg

motor8.jpg

motor11.jpg