Eliminate the backflow check valve in the 46RE's lines. You should do it anyway because they suck and go bad super easy, but especially if you're going to try towing something heavier than GVW.
Put a cooler on the AW4 and a pusher e-fan out front over the cooler.
Put a cooler on the AW4 and a pusher e-fan out front over the cooler.
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