The fan is a Flex-a-lite 210 which has two 12-in. fans.
I started a build-thread long after I completed 80% of the work. I have not updated it and it is rather dated. All of my pictures are in my gallery (clicky-clicky) though they are some what dated.
A quick summary of the drive train build specs: F54 block bored over 1 mm, P90 head ported by Slover porting, Isky cam, LS1 coil on plugs, Siemens 757 cc/min injectors, Garrett T03/04E 50 trim turbo, Wolf V500 engine management system, FJO Racing stand-alone methanol injection control system with up to 1400 cc/min methanol injection, Z32 transmission, Z31 3.70 LSD, Toyota S12/w front disc brakes and 240sx rear disc brakes, Arizona Z-car aluminum radiator