Thanks for that information, I saw a 222 for sale on craigslist and thought it may be a desirable spare. I currently have my engine out apart and at the machine shop. Compression was 105 on the right and 95 on the left. It smoked and had no power. It's a cck engine, heavy old dog with std pistons. Bores looked great, engine was filthy . The guy I bought it from last year said he replaced the bolts in the rear end and he stretched the frame 6", but he didn't want to fool around with the engine, So I finally "pulled the pin"and pulled out the engine. (Tried to use it in the last deep heavy wet snowstorm) it didn't have any power and just spun the wheels. I had summer oil in the hydraulics, and no chains. I've since bought a set of chains from case mike, and figured I'd refresh the engine. I pulled the quadrant gear and pinion last summer and tightened that up with a new bushing in the pinion and new brass thrust washers, I fabbed up a three point hitch and used the lower arm and links from Agri Supply, removed the midlift cylinder and hooked up the lines to the three point. Now as long as the engine is out and all the tin is off the front, I started on the "poor mans power steering" upgrade today. (Just. Ordered the thrust bearing and washers from McMaster - Carr.) I'm hoping the refreshed engine runs as good as it did before the tear-out. (It started great and ran good) just smoked allot and used oil. It's a fun machine, I can see why they are desirable and don't pop up for sale that often. (I believe mine is a 1975 646). Gary C