well i found out that the Fedco#2-342 heatercores i want will cost me $58.38cdn each. not to bad for a price...
also with help I found the fans I'll be using in the rad box.
I'll be using 4
Papst 6424/2H. 24 vdc running at 12 Volts
it will put out 280CFM at 24V
plan to buy that soon...
will keep yall posted of my progress...