A 179 cc engine is around 5.5-6 horsepower. There's no hard and fast rules on cc to hp conversion there are too many variables.
11 horsepower
12 hp
5.5 to 6 h.p.
between 9 and 11hp
13.5
divide the cc by 15 to get the horsepower.
Approx. 7.5 hp
About 4 horsepower. However, engine size ALONE does not equal a horsepower rating.
My 5 horsepower Tecumseh on my John Deere snowblower takes : ( 20 ounces / 600 ml )
There is no direct correlation between horsepower and a 205cc engine but most produce around 5 to 6 horsepower. The actual output varies based on individual engine designs.
A guess-timate rule of thumb is 25cc per horsepower. So your snow blower would be about 7 horsepower.
5.5 hp