Hi...has anyone ever "Re-Powered" a Toro Lawnmower like this one...a 1984 Model 20672 with a Tecumseh TNT100-10083 engine..with Toro's Blade Brake Clutch...I see some sites that list possible engines that will fit Briggs Model126L02-1030-F1 or Honda GCV160A-NBL1.......anyone know if these...