Re: Twin Thermos Into XF
I run 2 davies craig 10" fans and a davies craig thermo switch on my XF. Never runs above 1/2 even in the peak of summer. Stock radiator too.
You'll need to remove the clutch fan using a 1 1/4" spanner and have someone push down on the belts to stop the water pump pulley from spinning while you undo it (there are other methods, most effective i've found if this doesn't work is a large pair of vice grips).
Just like a Tsunami.