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Old 04-06-2020, 08:03 PM   #21
Thor Palazzo 33.3 diesel
 
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Brand: Thor Motor Coach
Model: Palazzo 33.3 34'bunkhouse
State: Georgia
Posts: 2,399
THOR #4735
the question of whether a Class A gas motorhome is 'too loud' while driving can be a personal one, meaning that everyone may have a differing approach and past experience that impacts their feeling on it... I've owned a Ram dually diesel turbo pulling a 40' Blackwood fifth-wheel and certainly understand the 'noise' that can be associated with especially the take-offs in early gears, and the sometimes screaming 'up hill fights' when hills and mountains are involved.
I've also owned a '15 Georgetown XL and didn't necessarily feel any ill-will toward it's Ford powerplant - it seemed to drive great and I don't remember 'disliking' it's sounds.

I've also delivered many brand new diesel and gas Class A motorhomes from the factories to dealers all over the country, and find that I rarely had issues with the 'noise level' of the more entry-level gas coaches, like the Coachmen Pursuit, the Coachmen Mirada Select, the Newmar Country Star, the Newmar Bay Star, etc.

I think some will find most any Class A gas motorhome as 'loud', regardless of the 'FORD' version of the insulation factor, or the Manufacturers name on the front - they all originate from the same Ford factories. While some RV manufacturers 'might' add additional insulation, it's doubtful it's a dramatic swing one way or the other. You can certainly add modifications yourself.

I wonder why GM and RAM don't get in on this RV Class A thang?

Enjoy!
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Old 04-07-2020, 12:31 AM   #22
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Brand: Thor Motor Coach
State: Illinois
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THOR #15910
I added some sound dampener and heat shield to my 2016 ACE. Made a huge difference in heat and sound. Click image for larger version

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Old 04-07-2020, 09:40 PM   #23
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Brand: Thor Motor Coach
Model: Thor outlaw 38MB
State: Florida
Posts: 65
THOR #18251
I used a material called FATMAT (got on amazon) and put it over the existing material under doghouse and also stuck it on the floorboards from underneath and in front wheel wells.
It has made a huge difference in engine and road/tire noises. It’s a great material relatively easy to cut to size and apply .At least on my coach. I like the adaptation of the doormat you did Nice job imo every little bit helps decrease the decibels which is good.
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Old 04-11-2020, 06:08 PM   #24
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Brand: Thor Motor Coach
Model: Windsport 29m
State: North Carolina
Posts: 244
THOR #9553
Quote:
Originally Posted by Kate1025 View Post
Have you added sound dampening to your engine cowling? Should a Thor Miramar have the sound dampening already? (It this a warrantee issue?) Did you add sound dampening material on the underside of the cowling (engine side) or on top of the cowling (under console etc). Cowling get VERY HOT, engine noise is VERY loud!
YES: YOU SHOULD!!!! I have a 2018 Windsport 29m. We had a 2017 Axis 25.2 and the engine cover got hot. We traded it after 9 months and the Windsport got hot at the end toward the back. I got some adhesive backed heat and sound insulating material. Covered the existing foam that was not very sturdy or effective. Ended up using all of the roll and put 3 layers inside the cover.

It made a big diff on the temp of the cover AND A BIG DIFF on the noise level. It's definitely worth the cost and time to do it!!

Bob Trice
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Old 05-02-2020, 03:03 PM   #25
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Brand: Thor Motor Coach
Model: Miramar 37.1
State: Oregon
Posts: 9
THOR #16645
Well worth the effort!

Thank you for all the information on the Sound Dampening. We completed our project earlier this week. Can wait to to take the rig out for a trail run!
We used the Dynamat Extreme and the 3/4" hood liner for the heat shield. We encountered and removed the thinnest (most worthless) heat shield (VERY well glued in) when we began. I found it very helpful to have the "roller tool for applying the Dynamat pieces as we layered them in. I bought an extra roll of tape for the heat shield but didn't need it. I wish they had a 2" tape for use with the thicker heat shield.
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Old 08-21-2020, 07:29 PM   #26
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Brand: Thor Motor Coach
Model: 2019 Vegas 24.1
State: Florida
Posts: 75
THOR #17456
Thanks!

Quote:
Originally Posted by Jdb View Post
Iíve done a lot of sound dampening work on my Thor Vegas 24.1. The doghouse, dash and firewall all covered to the extent possible with Dynamat and Hoodliner

This weekend I installed the carpet/mat (at the link below) in the cab area floor. That made a Phenomenal improvement. And it looks great. The mat is very heavy rubber with a nice fiber basket weave pattern. Iíll try to attach a picture. Honestly it totally transformed the coach while driving. I also installed the mat in the outside storage bin floors, which I think helped even more

https://www.lowes.com/pd/Mohawk-Home...-in/1000043727

Photo below

Dave
Dave, I appreciate your post and the picture of the installed mat.
I just bought two of these and plan on installing them in the next several weeks. I feel it will help insulate the road noise!
Dan
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Old 08-22-2020, 04:49 PM   #27
Jdb
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Brand: Thor Motor Coach
State: Indiana
Posts: 63
THOR #17892
You’ll be shocked at how much sound this blocks!

Dave
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Old 08-23-2020, 01:37 AM   #28
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Brand: Thor Motor Coach
Model: ACE 29.4
State: Ohio
Posts: 31
THOR #4541
Dave, that's a great mod and it looks fantastic.
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Old 08-29-2020, 02:39 PM   #29
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Brand: Thor Motor Coach
Model: 2019 Vegas 24.1
State: Florida
Posts: 75
THOR #17456
Quote:
Originally Posted by Jdb View Post
Youíll be shocked at how much sound this blocks!

Dave
You're right! The difference is HUGE in both road noise and heat reduction and the mats are very nice looking. At the same time I added a second layer of insulation to the doghouse.

The total job probably took 10 hours or so (I work slow), but was completely worthwhile.
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Old 10-15-2020, 02:16 AM   #30
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Brand: Thor Motor Coach
Model: ACE 30.4
State: West Virginia
Posts: 100
THOR #8716
Jdb: Thought your mod was a great idea so we did the same in our 17 ACE. Took the DW and I about 4 hours to install and that includes removing the seats. Definitely recommend cutting a template and then laying the mat on the floor to cut. I used a pair of tin snips to cut around Click image for larger version

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ID:	26684the template and then cut the holes for the chair bolts with a utility knife. We used the 48X60 mat and although it didnít go all the way across the cabin, we were able to use the cutout piece from the doghouse to fill in the gap. Mounted the chairs on top of the mat in hopes of reducing more of the road noise. Will be taking a fairly long trip soon and we anticipate that the noise level will be greatly reduced.
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Old 10-15-2020, 10:13 AM   #31
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Brand: Thor Motor Coach
Model: 2019 Vegas 24.1
State: Florida
Posts: 75
THOR #17456
Nice Job!

You did a very nice job and you will definitely notice a decrease in noise.
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Old 10-15-2020, 01:01 PM   #32
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Model: 25.2 Axis
State: Arizona
Posts: 546
THOR #3471
Says that mat is for outdoor use only. Do I need to worry that it made of used tires
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Old 10-15-2020, 01:04 PM   #33
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Model: 25.2 Axis
State: Arizona
Posts: 546
THOR #3471
Hello! This door mat is for outdoor use only and will not need a rug pad.

By MohawkSupport on May 1, 2018
MohawkSupport
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