your best bet would to be to find a stock rad, it'll work fine, although with a V8 you'll need a shroud [unless it was originally a V8] because the fan will be way too far back
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics