.001" Mains: .079 sq in - Lifters: .091 sq in
.002" Mains: .157 sq in - Lifters: .182 sq in
.003" Mains: .236 sq in - Lifters: .273 sq in
.004" Mains: .314 sq in - Lifters: .364 sq in
Can you show me the math on that? Math is not my strong suit, but I can't see how the surface area available for leaks on a lifter (the perimeter on top and bottom of a smaller-than-an-inch lifter) is equal to the two sides of the main bearings that are 2.5" in diameter.
