As long as the shaft size were the same would an HM 80, fit in place of an H 70? I'm talking mounting base bolt pattern, crankshaft height and such considerations.
I may be picking up a Toro 7/24 snowblower with a claimed seized engine for cheap and know where there's an 8HP Snow king available... this isn't an "emergency" to get going as much as a favor to someone else. but I'm not wanting to "rig" anything beyond maybe a throttle control.
unless I run into crank diameter issues, how 'plug n play" would this swap be? I know the HM series engines are physically bigger than the plain "H" series.