You might want to keep it in mind how low geared these old stovebolts are,and your engine will want to run at about 2,000 rpm;you might have to gear it up more than a OD high Road ranger can cover.
Speed

1954 GMC 350
1957 GMC 1/2 ton
1962 Chevy C-30
1952 Chevy 6400 dump bed project truck
'98 Harley FLSTC
'66 Pontiac Catalina
'76 Chevy 1 ton Duallie
'84 Bronco II
'78 Dodge W-200
'81 Toyota 4X4 truck