Quote:
Originally Posted by thefulminator
I am an engineer that studied HVAC in college. The stock setup kills all the momentum of the air before it gets into the ducts. This causes the air flow to rely strictly on pressure differential.
In place of spending a ton of money on a block of foam, I did the mod myself similarly to what is done in this video. The changes I made were using galvanized roof shingles to make the sloped surfaces in place of foam blocks. It's made a huge difference in air flow. Recently was on the columbia gorge with temps in the high 90s and the AC was able to keep up much better than in the past. My coleman AC has a different grill with the intake completely on one side so the mod didn't change anything to do with the incoming air.
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Not a debate sure it will work.
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2018 1 ton 4x4 c.c standard bed GMC Denali
Anderson ultimate hitch
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