I've got more pics and details in my building thread. But yes, drilled 4 mounting holes, there's also 1 inch spacers spacing it off of the frame. That part of the frame also has a large hole in it from the factory, so air flow should be plentiful. I need to get some conduit and cover the wiring up, but it's all crimped snd heat shrieked so it shouldn't be a problem.
I tested it today, outside temps were roughly 60, with the fan on it stays around 176-177.
Here's a picture of the frame behind the cooler.
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