My friend swears by the aluminum HOWE racing radiator he bought through summit racing ($239)says it works better than any 4 core he had - the catch - they don't come w/ any mounting stuff so you'll have to fab yer own.
sorry it's took so long to reply. I just moved and had to switch to net zero - CA mortgages ain't cheap - need every dime!
they don't make em for applications, they just make em to size - thus no mounting hardware. you might have to call summit for more info 1-800-230-3030