Packing the rope seal into the bearing caps is key here. Taking time and packing it will pay dividends later. There have been discussions of dropping the crank if the engine is still in the truck to really pack the rope seal in the block.

SWEET
Sergeant At Arms: Old Dominion Stovebolt Society
BUNS?!?!?!Where we're going, we don't need no buns.....
1950 GMC 450
1951 Chevy 1/2-Ton
The GreenMachine
In the Stovebolt Gallery