Hello everyone, I have Sears ST16 from the 70s. Im not sure when, but my great grandfather was using the st 16 and it blew up. I assume it was lack of oil because there is no oil in the crank case and instead there is rust, either that or the piston failed. Anyway there is a hole in the case. I'd repair the case and repair the internals but that side of the case can't be saved. It's cheaper to put a different engine in and call it a day. I have 2 engines laying around but they need some work to adapt to the frame. I have an 8hp b&s from a generator and a honda 3 wheeler motor that would need a lot of adapting and I have to get parts and put it back together. I also have wheel horse gt1100 with the stock 11hp b&s motor. Should I buy a motor or use one I have? Have you guys done this? I'll post some pic when I find them.