Re: 4 speed standard shift
Bellhousing won't need to be modified. But the transmission front bearing retainer will need to be machined down to fit the '60 bellhousing. Use the inboard holes on the transmission to bolt up to the '60 bellhousing. And as BH107 said you will have to modify the the throw out fork to fit the larger t.o. bearing.
Ford Galaxie Club of America #665