If it cools it cools. The lower area of radiator is cooler anyway. Fan only good a low truck speeds. Put the dip stick back in. Nut missing on front of manifiold. All is good. Nice work.
Makes sense about the overall cooling. (which reminds me, with Winter coming I gotta look at fixing the heater core -- it's leaking a tad onto the PS foot mat)
You have eagle-eyes there. I snapped the shot just before replacing the dipstick
Manifold ...it is a short location stud (no threads).
