My MTD Blower with a 10.5 hp Tecumseh was run for about 60 mins before it quit. (Hint - never store your blower at SOMEONE ELSE's house if, when you changed the oil last year, you didn't have the 0 W 30 synthetic oil that you've used since new 8 years ago to go back in, so you decided "I'll just put it in it before I start it next year, I'll remeber, I always do"), because someone else will try to use it first. ) I brought the poor girl home, took the plug out and oiled the cylinder, added oil to the case, and was able to turn it over with the crank bolt, then the electric start, and then the pull cord. I was able to start it, then drained and filled the oil twice, and ran it until warm before I drained and filled it the third time. When I pull it over with the cord (plug out), she makes a kerclunk klunk pause kerclunk klunk sound (say it out loud for effect ) It is a Snow King, ( http://www.smallenginesurplus.com/tecumseh-hmsk105159908-lh358sa159908-snow-king-p-3495.html) with the added 1:2 camshaft pully/PTO that drives the drive wheels, so there aren't a lot of them around here. I am in Canada, so my options look like this: Run it as is - I suspect that eventually, something is going to break, and then I'll be in for a new engine, but who knows how long that will take. By new engine - site linked above will run me 650 Canadian plus takes to my door - new blower is 1100 Buy short block - Can get one delivered for 550 taxes in. Replace the parts that could be warn - haven't had a small engine apart in 15 years, but have the skills to do it. - worst case on parts is about 250-300, depending on how far I go. For those out there who fix what guys like me break, what is your opinion on the best option?