which would you choose? radiator

The Champion 26 inch 2 row is priced at $209.98 also the 26 inch 3 row is also priced at $209.98 which would you buy? 2 or 3 row.going in a Duster with 383 BB. 2 row 1.75 thick, 3 row 2.50 thick Thoughts plz:thankyou: