Not very professional I guess but I've done lots of them over the years with no tools to spead of.
I do have a couple of "pucks" I've fabricated by cutting out a circle in 3/8" plate and then grinding them down on a bench grinder till they one will fall into the bore and the other one fall into the ID of the sleeve. Then I cut about 3/4" inch off both sides of each puck and then weld them together where they were cut keeping them centered while welding. They don't even have a hole in them. I turn the engine upside down even with the crankshast still in plsce sometimes and drive the sleeves out with long heavy drift of 1" round stock with the crank turned so it can't hit the journals.
Then there is another way that I've used many times and that is to lay the engine on it's side and with a 6011 1/8" rod make a couple of cold welds on the ID of the sleeve and wait till it cools then you can just knoch them out with s big screwdriver because the weld beads will shrink them enough to loosen them
Then there is another way to pull them and install them with liquid propane. I have a fitting that will fit the 20 pound bottle. Just invert the bottle and squirt the liquid propane into the sleeve with a wad of rags in the bottom to trap the propane and with enough propane you can easily knock out the sleevee or using the same procedure they will almost fall into the bore when installing the new sleeves.
Do the propane outside away from any source of a spark or flame. Way away! It is dangerous to say the least but sure goes together easy. No need to try to find dry ice etc.