Reduce Road Noise
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Cargo Master
Joined: Oct 2010
Posts: 2,339
Likes: 32
From: Lost In a Pit of Despair
I completely sound deadened my 72 F250. Prior to the project, I could barely carry on a conversation, now it is almost as quiet as my Cadillac (ok, not quite). Here is a video of my results: 72 F250 Ford Sound Deadener.AVI - YouTube
My project consisted of:
Applying rubberized spray-on underspray underneath the truck cab
Applied Zillamat (like Dynamat but cheaper) in the door cavity, entire floor, firewall area, rear cab wall, ceiling/headliner area.
Next applied layer of 3/8" foil backed jute backing insulation to entire floor, firewall, rear cab wall, headliner.
Next applied 1/8" mass loaded vinyl to entire floor.
Purchased custom made floor carpet from Stock Interiors.
Applied layer of jute backed insulation in the door panel and behind dash/cluster and firewall
Installed new door weather seals
I will probably do the same to my 74 F350 but this time I will do the Zillamat and probably the Dynapad/Dynaliner since it is a little easier to work with, although slightly more expensive.
My project consisted of:
Applying rubberized spray-on underspray underneath the truck cab
Applied Zillamat (like Dynamat but cheaper) in the door cavity, entire floor, firewall area, rear cab wall, ceiling/headliner area.
Next applied layer of 3/8" foil backed jute backing insulation to entire floor, firewall, rear cab wall, headliner.
Next applied 1/8" mass loaded vinyl to entire floor.
Purchased custom made floor carpet from Stock Interiors.
Applied layer of jute backed insulation in the door panel and behind dash/cluster and firewall
Installed new door weather seals
I will probably do the same to my 74 F350 but this time I will do the Zillamat and probably the Dynapad/Dynaliner since it is a little easier to work with, although slightly more expensive.
Elder User
Joined: Jun 2010
Posts: 677
Likes: 2
From: High Point NC
has anyone put anything on the kick panels in the front under the dash? and has anyone put anything on the supercab walls under the rear side windows.....behinde the rear seat isnt a biggie but what ever you use (probably carpet for astetics) has to look good.
Senior User
Joined: Jul 2011
Posts: 103
Likes: 0
From: Seattle, WA
I was watching an automotive program (online) and they were doing over the inside of a truck. They went to an carpet store and got some scrap synthetic padding used in homes and offices and applied it to the interior. It may come in different thickness and you might even get it for free. May work in most of the areas inside the cab. I plan on doing it once spring rolls around. Just a thought to pass on.
Elder User
Joined: Oct 2011
Posts: 605
Likes: 1
From: Castle Rock, CO
Last edited by 74 F350 SCS; Nov 14, 2011 at 01:33 PM. Reason: add information
Fleet Mechanic
Joined: Feb 2006
Posts: 1,393
Likes: 5
From: MA
I don't recall exactly but I believe that I spent about $250 total for the Zillamat (like Dynamat but little less expensive but worked great), the foil backed jute backing, and the 1/8" roll of mass loaded vinyl. The Zillamat and jute insulation I got off of Ebay after doing a ton of research. The MLV I bought directly from the source, I think it was supersoundproofing.com. You can order this by the foot. I ended up buying too much of everything so you could buy smaller quantities and therefore spend less. I also spent a few dollars on the undercoating and I got the new weatherseals from Precision for under $40 through a bid at Ebay. Precision makes some very high quality seals. The molded carpet was about $140 or so, in addition to the other supplies. I think it was worth it. I just bought the stuff over a course of about 3 months so the cost was spread out and not such a big single hit.
2. What did you use for adhesive to keep the headliner materials 'up'?
3. Any idea how much all this stuff weighed?
Elder User
Joined: Oct 2011
Posts: 605
Likes: 1
From: Castle Rock, CO
1. By "door cavity" I assume you mean the outer panel of the door? or did you do the outer panel, and the 'inner panel' where the door panel snaps onto?
2. What did you use for adhesive to keep the headliner materials 'up'?
3. Any idea how much all this stuff weighed?
2. What did you use for adhesive to keep the headliner materials 'up'?
3. Any idea how much all this stuff weighed?
2. I used the 3M HD trim adhesive to attach/hold all of the jute insulation to the Zillamat and then I used the 3M adhesive to hold/attach the MLV to the insulation. Same for the headliner. The 3M stuff gets REAL sticky, REAL fast so make sure it's where you want it before applying it.
3. I don't really know how much it weighed but probably added several pounds. I know that when I knocked my knuckles on my doors "before" I installed anything compared to after all of the insulation added, HUGE difference in sound. It went from "tinny" to a low, dull "thud". A guy that restores these bumps drove it last Saturday and he was amazed at how quiet and solid the truck is.
For those of you that are interested in the sound proofing, here is my project thread on my 72 F250 on Fordification.com: http://www.fordification.com/forum/v...st=0&sk=t&sd=a
Towards the beginning of the thread, you can find pictures and the whole soundproofing part.
Last edited by 74 F350 SCS; Nov 14, 2011 at 11:11 PM. Reason: Added information.
Logistics Pro
Joined: May 2010
Posts: 4,436
Likes: 19
From: Regina, Saskatchewan
Very interesting stuff. I'm going to have to look into this!
I need a chance to get my truck all welded up, then I should really sound-proof it so it's good for life... I'm not too fond of the things I'm hearing about noise levels in these old trucks when you've got no carpet, insulation or deadening mat under your feet!
Right now my truck is bare bones with sheet metal everywhere, but I hope to change that soon.
Great info!
I need a chance to get my truck all welded up, then I should really sound-proof it so it's good for life... I'm not too fond of the things I'm hearing about noise levels in these old trucks when you've got no carpet, insulation or deadening mat under your feet!
Right now my truck is bare bones with sheet metal everywhere, but I hope to change that soon.
Great info!
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Fleet Mechanic
Joined: Feb 2006
Posts: 1,393
Likes: 5
From: MA
74 F350 SCS, I used the same woodgrain you used from Metro Restyling on my 78 Cougar dash. 
I think I'll take the route you did when I tackle this in my F100. I have super turbo mufflers, the largest case I could get, with an H pipe and resonators, and the truck is still a little loud IMO.
I think I'll take the route you did when I tackle this in my F100. I have super turbo mufflers, the largest case I could get, with an H pipe and resonators, and the truck is still a little loud IMO.
Postmaster
Joined: Jan 2009
Posts: 4,584
Likes: 3
From: Chesapeake, Va.
74 F350 SCS, I used the same woodgrain you used from Metro Restyling on my 78 Cougar dash.
I think I'll take the route you did when I tackle this in my F100. I have super turbo mufflers, the largest case I could get, with an H pipe and resonators, and the truck is still a little loud IMO.
I think I'll take the route you did when I tackle this in my F100. I have super turbo mufflers, the largest case I could get, with an H pipe and resonators, and the truck is still a little loud IMO.
Your truck's interior looks great, You've done a good job getting it that way.
Elder User
Joined: Oct 2011
Posts: 605
Likes: 1
From: Castle Rock, CO
74 F350 SCS, I used the same woodgrain you used from Metro Restyling on my 78 Cougar dash.
I think I'll take the route you did when I tackle this in my F100. I have super turbo mufflers, the largest case I could get, with an H pipe and resonators, and the truck is still a little loud IMO.
I think I'll take the route you did when I tackle this in my F100. I have super turbo mufflers, the largest case I could get, with an H pipe and resonators, and the truck is still a little loud IMO.
Elder User
Joined: Oct 2011
Posts: 605
Likes: 1
From: Castle Rock, CO
Elder User
Joined: Oct 2011
Posts: 605
Likes: 1
From: Castle Rock, CO
Zillamat sound deadener in door
Here is a link to my youtube video of the "with" Zillamat and "without" Zillamat in my door cavity of my 72 F250. Pretty huge difference! After I put the layer of jute insulation against the inside of my interior door panel and put it all back together, it is really solid now!
Sound Deadener Door 72 F250 - YouTube
Sound Deadener Door 72 F250 - YouTube
Thread Starter
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Cargo Master
Joined: Oct 2010
Posts: 2,339
Likes: 32
From: Lost In a Pit of Despair
Another thing (sorry about all the questions), did you run the material all across the floor? Or did you leave out part/all material under the seat?
Thanks
Jameson