replacing rod bearings in car

I pulled the oil pan off on my 64 slant a few months ago. Remove the 2 motor mount bolts underneath. Jack the engine up ~2". You can jack from the oil pan (wide 2"x8" or plywood w/ newspapers to spread the force) or use a cherry picker like you plan. Slide wood blocks between the bottom of the motor mounts and K-frame to hold it up, then remove the jack. It should be easy to get at all the bolts then. It helps to remove the engine-tranny brace, but not essential. Of course, I de-rust and paint any parts I take off, which takes the most time. You might find the rods fine. Don't mix up the rod caps and their orientation (recall they are marked) and use a torque wrench when re-assembling. A good time to change the rear crank seal (can push it around) and clean the oil pickup.

I sure wouldn't fool w/ removing the K-frame. Actually, I must do that right now since I swapped in a spare since mine had a cupped-in strut rod mount, then I found the spare K-frame is missing the idler arm bracket, a big WTF when I went to install the idler arm. Now I have the LCA's in and steering box, so a little tougher to swap back to the now-fixed original.