Fan and rad placement sounds looking into. Curved blade should be fine. Centered on the rad and an inch or so from... you should be able to feel the air pulling from the front. If it`ll hold up a sheet of paper at idle. thats good.
~ BD. "You won't find me in an old folks home" Pioneer Florida Cracker 1958 Apache Stepside 1958 Apache 1/2 ton Panel 1959 Apache 1/2 ton Panel
