Hey guys. I own a Cen MT2. I've got the original NT-16 in there. I just ordered the 18 size sleeve and piston, connecting rod, and cylinder head for it. Any advice on how to break it in? I haven't really had to great of time with the piston in cylinder that's in there. I think it might have had to do with the way I broke it in. The way it runs now, once it gets up to operating temps, I loose all compression, the engine dies, and it can't be restarted until it cools down. Plus while is getting up to operating temps, it is really bogged down sounding. I'm hoping this new setup will correct my prob. Any tips or procedures would be appreciated!! Thanks guys! [8D]