I took apart the 250 in my garage today to see what the layout is, and I think the oil passage for the lifters is too high up to use, plus you would have to drill at into the side of the cylinder wall. I have short pistons and long rods so that might be possible, but I am apprehensive about hitting water. And, I have a snow performance alky kit my brother gave me, which requires way less work to install. Especially if getting the oiling wrong makes it worse. I'm not completely shelving this, but I am going to study on it a bit longer before I attempt anything for sure.
