Fifty4F100 wrote:
gemert wrote:
More HP or not, I'm betting it will still be loud while hitting high RPMs to climb. I like talking to the wife and hearing her replies, wait what? Well anyway still same issue. I like my DP.
I agree about the noise. I'm sure there have been improvements in insulation since 1999. But I wonder how that might compare with running a diesel generator to run AC going down the road. Is it noisy?
Times are changing.
Depends on mfgr and how much insulation they have done. Our previous 04 Coachmen Aurora 3480DS was loud. We always had to raise our voices to each other, to be heard.
Current 2013 Tiffin Allegro 36LA is much better. No it is not as quiet as many diesels but we can hold normal conversation at normal voice level, unless we are into high RPM. Then we just wait a few minutes for the climb. We have a microphone in the dash and the stereo connects, Bluetooth, to our phones. incoming voice comes through speakers. I can talk to the family, while on the road and they can hear me clearly. No. I am not hunching down and shouting into the microphone. Normal voice and sitting upright. I am 6'2".
Tiffin did include Dynamat style of insulation on the outside/underside of firewall and doghouse. There is also 1 inch foam board (between plywood) insulation in the floor.