For a stock replacement radiator that its in the stock opening without moving the radiator support on the passenger side, you can use:
Modine #289
Specs:
Original applications: GM
Core size: 16.125 X 25 X 2---3 core
Inlet header size: 2.5 X 25.25
Outlet header size: 2.5 X 25.25
Inlet connector size: 1.5 left side, drivers side.
Outlet connector size: 1.75 right size, passenger side
Type of mount: Double flange
Oil cooler: 12"
Applications:
All Chevy:
3.8 liter/230 CID 6 cyl: Bel Air, Biscayne, Impala 1964-65
3.9 liter/235 CID 6 cyl: Bel Air, Biscayne, Impala 1963
4.1 liter/250 CID 6 cyl: Bel Air, Biscayne, Impala 1966-68
4.7 liter/283 CID 8 cyl: Bel Air, Biscayne, Caprice, Chevelle, Impala 1966-67
5.0 liter/307 CID 8 cyl: Bel Air, Biscayne, Impala 1968
5.4 liter/327 CID 8 cyl: Bel Air, Biscayne, Caprice, Chevelle, Impala 1966-68
6.6 liter/396 CID 8 cyl: Chevelle 1966-1967
Lord send your Holy Ghost into our hearts and make the desire of our hearts Your Will.
Pro-choice, that's a LIE, babies don't choose to die!!