Outer Limits 4x4 Board

looking at putting a thermo fan on the 40, now as most will be able to tell i run a pretty worked chev and it will need a decent fan ive heard alot of people say au fans are the best but since its still got the 40 radiator they wont fit, anyone got some advice?
is the commodore single thermofan anygood?
thanks for your help guys
rob

i have davies craig thermo fan and it is tops..... flows good. either push or pull and it is ok to get water on.

Joe.