Need advice !!! The motor on my mid 1980s Cub Cadet model 805 threw a rod. I have a lead on a Briggs and Stratton 14 hp Vanguard motor that is off a Simplicity Regent Hydro. Should this work on my model 805 ? Is there anything I need to lookout for before buying this motor. Will this motor be a straight swap. Any advice and expertise is appreciated.