1972 AMF Polar Bear 7HP - Snowblower Forum : Snow Blower Forums
 
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post #1 of 5 Old 01-29-2016, 06:11 PM Thread Starter
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1972 AMF Polar Bear 7HP

So my dad bought this monster brand new in 1972. It is now mine and she finally blew up. It has a Tecumseh 7 HP engine and I wanted to know if anyone out there has swapped a different engine onto this beast and if so how many HP can I put on it and what is the output shaft size for the V-belt pully?
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post #2 of 5 Old 01-29-2016, 07:20 PM
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Garage
to the forum sjp


I can't say that one exactly but members are constantly re-powering all kinds of machines. The favored engine is the $100-125 HarborFreight Predator.

You might want to start a thread there on your machine or at lest do some reading to get an idea of what you're looking at.

Can also look around on Craigslist and ebay for a used Tec engine for a bolt on replacement too.
Might find one with a bad auger or damaged auger gear box but good engine and get it for $50

Re-Powering - Snowblower Forum : Snow Blower Forums

Show us the Polar Bear !!

What happened that it's "blown" ??


.

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Make sure the windows are up before the snow plow goes by !!

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Last edited by Kiss4aFrog; 01-29-2016 at 07:22 PM.
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post #3 of 5 Old 01-31-2016, 03:55 PM Thread Starter
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It Seized up. Had oil.
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post #4 of 5 Old 01-31-2016, 05:36 PM
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Seized with oil in it is unusual.

'77 Ariens 924032 "Brick House" Re-Powered with a TEC 10HP and oversize auger pulley
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post #5 of 5 Old 01-31-2016, 05:46 PM
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Did it seize while running, or from sitting? Either way, I'd try putting some PB Blaster in the cylinder, pulling the blower housing, and try turning the flywheel with a breaker bar. I agree with nt, seized with oil isn't all that normal. Also, agree with Kiss4AFrog - pictures please!!
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