just a thought when you were working on the intake did you notice how large the space between ceiling and roof? there are a bunch of write ups about the duct work collapsing and restricting the air flow. we never noticed this until a hot day and started to look, sure enough our living room duct had collapsed to about an 1". placed 2 I believe 1-1/4 dia. pvc tubes 10 inches long to open up and keep open. HUGE improvement.
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2016 Ram 3500 DRW pulling 2016 Montana 3720RL
living in UT. wandering around with my best friend (38) years married and the royals (2 Saint Bernard's)
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