About now, i realize that chrysler engines are worthless to rebuild or even fix, but i have a 6HP and a 4.4HP, the 6HP had a 6 blade impeller and the 4.4HP had a 10 blade impeller. What im wondering is, is the 10 blade correct for the 4.4HP, and if it is, would it be OK to use in the 6HP. If...