trvguy Member May 25, 2010 #1 I picked up flathead #5, and it has the trapizoid cooling holes in the block, a raised part on the top of the block ( where the intake bolts to ) and a "U" on the top of the flywheel housing. what is this??? thanks for the help.
I picked up flathead #5, and it has the trapizoid cooling holes in the block, a raised part on the top of the block ( where the intake bolts to ) and a "U" on the top of the flywheel housing. what is this??? thanks for the help.
B Bruce Lancaster Member Emeritus May 25, 2010 #2 '41-2 or wartime...what bore, and does it have a raised pad for a third oil hole in the back? Relieved or not?
'41-2 or wartime...what bore, and does it have a raised pad for a third oil hole in the back? Relieved or not?
