By the way, if you are talking about a coolant leak, you can't get at the inside unless you smashed the block with a hammer. You will see threads on here where people have driven years after using JB Weld on one of those cracks.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!