Cracked block - Snowblower Forum : Snow Blower Forums
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post #1 of 43 Old 03-20-2015, 10:19 AM Thread Starter
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Cracked block

Is it gone, or can it be salvaged,
Conecting rod hit it?
Is it a bad idea to jb it.
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post #2 of 43 Old 03-20-2015, 10:44 AM
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Is it a dual shaft engine. If it is that's a good reason to try and save it. Single ... not so much.

You can try to degrease it, sand the inside and outside some to roughen the surface up a bit for a good bite and then JB Weld it and you'd likely be good but there are so many cheap snow blowers out there it seems you could buy a repairable pretty cheap for the engine. If it's not a twin shaft, MY machine, I'd replace it.

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post #3 of 43 Old 03-20-2015, 11:57 AM
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I'd also suggest to JB Weld it.

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post #4 of 43 Old 03-20-2015, 01:15 PM
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if its not a twin shaft head down to harbor freight and buy a predator.

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post #5 of 43 Old 03-20-2015, 01:19 PM
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JB Weld might work. Some people have done that. Some people have also had the blocks tig welded. There is also a product called aluminium brazing rod that is basically a stick of solder that you put on with a propane torch.



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post #6 of 43 Old 03-20-2015, 04:26 PM Thread Starter
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I'm in Boston its a single shaft w/o pto
On closer inspection the crank race got smoked I did find a nice used short block but I hate to just trash it
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post #7 of 43 Old 03-20-2015, 08:10 PM
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Quote:
Originally Posted by Ken692 View Post
I'm in Boston its a single shaft w/o pto
On closer inspection the crank race got smoked I did find a nice used short block but I hate to just trash it
Since it is a single shaft engine why not replace it with a Predator 212cc engine.
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post #8 of 43 Old 03-20-2015, 09:36 PM
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its junk get the predator, the piston and cylinder are also probably destroyed as well as the crank
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post #9 of 43 Old 03-20-2015, 10:42 PM
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If the journal on the crank is gouged it's scrap metal. Might want to save the carb and whatever you think might come in handy that you have room for but it's time for a different engine, sorry.

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post #10 of 43 Old 03-20-2015, 11:12 PM
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That block is very salvageable, I've fixed much worse. The crank probably is too. They always look terrible, but I haven't seen one yet that was actually scored, the aluminum from the rod just transfers to the crank journal and makes them look that way. Clean it up with some fine emery cloth and chances are it'll come out just fine. Tap the block back into place, clean the paint off with a wire wheel and then some brake clean, apply JB Weld and put it back together.
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