f7r bottom end f4r head

[hamloin]

has any one ever put a 172 f4r head on a meggy f7r bottom end they look the same at a glance, any help apprecated. iv got a good meggy bottom end and a tired 172 so a new gasket and a swap will be cheeper than a re build

[sideways danny]

miles different, not possible as far as any kind of practicality goes