I have taken a tape measure to the bone yard and found them with fresh paint and a rebuild sticker for $40 to 50 had them pressure tested for $15 My 85 one ton 460 has a mercury station wagon Rad, never had any more cooling problems Trucks usually have so much room any big radiator from later years might fit The only problem was on my 78 4X4 i put in a 460 and the radiator was so big i had to take out the Hickey side winder winch, not enough room so the winch is now on a trailer.