Quote:
Originally Posted by TFell
I too manually downshift before a big hill, especially when towing. I do it via the button on the shifter, not flooring the throttle.
They do get loud when running up near 4k rpms. I have not had my fan engage yet, but I don't hit big mountains while towing. My MH is only 16k lbs.
Now I am curious what they're using for sound deadening at Newmar
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Well if your rig was not insulated for sound then the good news is any attempts to address it will likely improve things. Its the last 20% of improvement that is the hardest.