Here's some cheap fluid cooler tech. 90's Ferd Esploders came with an external stacked plate transmission cooler that has 3/8" hose barbs on it and is perfect for use on a trail rigs as either a transmission or (in my case) power steering cooler. It measures ~12x10x1/2" and has three mounting feet so you dont have to use those ****ty plastic things that stab through the radiator.
Then, GM put larger stacked plate oil coolers on tons of trucks and suburbans in the late 80's and 90's. The sizes vary widely and there doesnt seem to be any logic as to how they selected the size for each application. These are a bit thicker than the Esploder cooler mentioned above, but they were originally used as oil coolers so you dont have to worry as much about flushing them out if you are changing applications. The only thing that kinda sux about these coolers is they use a metric o'ring fitting to attach the lines, which typically isnt available as a normal brass hydraulic fitting. They are, however, hella easy to find in AN fittings so it will cost a little more and be a little more trouble, but its still totaly do-able. One other option is to snag the lines off the truck with the cooler and cut and flare them to just stick a 1/2" hose on. Your choice.
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Originally Posted by jerryg79
