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#1
11-25-2024, 11:45 PM
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K321 bad scoring
I'm trying to give my 1450 an overhaul that is long past due. It's been sitting in the garage since the end of last winter when it was my snow plow and snow blower. Other projects have kept me from digging into it until now.
I pulled the engine to replace the motor mounts and swap the oil pan with a cast iron one since the oil plug had a reducing bushing in it to fix worn out threads. First worrying sign the pan had a film of silvery powder in the pan. I then noticed what looked like blowout of the head gasket so I decided to order some head gaskets and got around to cracking the head open. The bolts seemed a little too loose, so hopefully that was the reason for the small blowout. But on cleaning out all the soot and buildup I found a worrying amount of cylinder scoring. I don't have much experience with small engines so I need advice. How bad is this? It's didn't run smoky at all since I cleaned and adjusted the carb so it was running well (as smooth as I could expect with bad motor mounts). Is it alright to put back together and use for the winters plowing without doing more damage to it? Does it need a complete rebuild in the spring or do I just watch how it runs?
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1450- 44A deck,QA-36 snowthrower, 42in front blade No.2 Tiller 70- 38in deck, 42 inch deck 
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