Power steering cooler mounting

[Drft_Lock]

So I'm about to order this cooler now and the fittings and line at the same time. I was just wondering which way the inlet and outlet of the cooler should be facing when I mount it? Up or down? Thanks

http://www.jegs.com/i/B-M/130/70265/10002/-1

 

[NismoTuner21]

I like to mount my coolers vertically, with the inlet on top and outlet on the bottom.

 

[Drft_Lock]

I was thinking of that. But this cooler looks like it will best mounted horizontally right?

 

[eazye2000]

Do it with one of the ports facing up, or at least one of the ports at the top if mounted horizontally. I have this thing about air and crap in the system.
Plus, mount it below your reservoir; which usually isn't ever a problem, just throwing it out there.