[Wayne Maybury]

OK, OK, I'm a Ford guy all the way but a friend has a question about BBC and I thought that I would see if anyone here has the answer.

He wants to put Generation V heads on a Generation IV block. They fit but there is a water passage problem. We looked at the Fel Pro gasket brochure which states that extra coolant holes have to be drilled in the block but it is not very clear exactly where to drill the holes and what size should be drilled. Drilling holes in the block is NOT something that you want to do without being absolutely sure of the consequences.

Has anyone done this? Anyone have an idea where I could find the answer? Any help would be greatly appreciated.

Wayne