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Author Topic: Soundproofing the cab  (Read 536 times)
ragoodsp
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« on: June 19, 2016, 06:46:20 pm »

I have never been overly pleased with what I consider to be excess noise in the E-450 cab so I decided to see what I could do to make the cab somewhat more enjoyable.  I insulated the hood with a great selfsticking product from DEI Engineering, their hood thermal acoustic lining looks nice installed and does in fact deaden the tinny sound of the hood.  Next I stripped the doors down and used a product from Eastwood industries, I used their heavy XMatt product that is suppose to reduce noise by approx. 18 decibels,  it sure made the doors closing sound far more solid.  While I was in the door panel I replaced the stock (weak) Ford speakers with  a set of Infinity's,  they sound superb and are exactly the same shape/size as the Ford speakers.  I then turned to the floor.....capt. seats came out, ripped out the  PC stuck down carpet, ordered a new piece of ready cut carpet from Carol at PC.  I ordered a great ready cut kit from QuietrideSolutions, the kit includes  floor insulation as well as  strips and squares of Dynamat material that are strategically placed on the floor as detailed in their instructions.  Ironically, the insulation had the Ford  logo on the packaging and a Ford part number. After putting the Dynamat down the foil sided (one side) insulation is spray glued in place over the Dynamat.  All seams and edges are sealed with tin foil stick tape.  The new carpet went down slick and I again glued it down in strategic  places so it will not move around at all.  The biggest pain was the dog house removal/putting back.  Once out of the vehicle you remove the Ford insulation.  I then installed another ready to install insulation package from Quietride Solutions, the three pieces are all pre cut and fit perfectly.   The new insulation is spray glued in place and then the Ford formed insulation goes back in place right over the newly installed insulation.  I can honestly say that I have reduced cab noise by approx. 45%, my wife, the hardest judge agrees with me.  Total job ran me  $516.00, not cheap, and two days of my labor but I am very pleased.  One has to wonder why PC does not offer a package of extra insulation from the factory?  Another project done!
« Last Edit: June 20, 2016, 08:26:30 am by ragoodsp » Logged
Pax
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« Reply #1 on: June 20, 2016, 05:52:38 am »

Great write-up!  Thanks for sharing!  Which part of the project do you think gave you the biggest bang for the buck?

    - Mike
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ragoodsp
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« Reply #2 on: June 20, 2016, 08:43:35 am »

That is a tough question to be honest Pax.  The insulation in the doors really quiets the noise coming from passing cars/trucks.  Where I see the biggest improvement is when the vehicle down shifts you do not hear that real roar, it is deadened considerably.  I guess I would say the floor insulation and the doghouse work would be where I would start.   There is a lot of heat that comes up thru that uninsulated floor and of course noise.   The worse aspect is fighting the dog house, I really took time to make sure the gasket made up to the floor correctly and it is a pain because you can not see anything in behind so  must feel your way.  The company's I ordered the kits from were super and the orders came very fast.  Having the pre cut carpet from PC ($61.00) made life very easy, I would not have tried to custom cut carpet, I have tried before and it is and art that I do not have.  While it is a PIA to do everything I can now say there is nothing else I can possibly do to make the cab area any quieter.   I do think I will tackle the front cap  wing areas because I know there is next to zero insulation in those areas and a lot of wind noise comes from them.  Will keep you posted.
On another note,  I found a nice little mouse nest built right in between the "V" of the engine way back under the doghouse.  I do not know why it never ignited!  You all might want to check for such a situation if you live in and area that is prone to field mice!  Thanks, Ron G.
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JOHN
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« Reply #3 on: June 21, 2016, 09:05:40 am »

ragoodsp,
Thank you for your research and pursuit of improving the soundproofing/insulation of the cab.

Do you have the references to the various parts used, I believe that I would like to pursue a similar effort, possibly with installation by PC in the build out of my new MH.

Thanks,

John
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ragoodsp
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« Reply #4 on: June 21, 2016, 01:11:20 pm »

Quieteride Solutions based in CA. is the best resource....there web site specifically outlines the entire kit for the E-450 or you can buy separate pieces if your should desire.   I ordered everything from the web from the company's I mentioned, their sites are great and explain/describe everything.  I honestly discarded all of the packaging slips order sheets so can not give you exact numbers but the sites have that info.  I would have QuieteSolutions drop ship right to PC if I was you.  I am sure Kermit has resources as well that he uses.  Better insulation is worth every cent, I would have PC put extra sound proofing in the front cap as well, right now they just run the ceiling insulation down the front and that is not enough at all.
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Polish Prince
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« Reply #5 on: June 21, 2016, 04:51:18 pm »

Thanks for the info, I have a request in to Kermit through Earl to add this to my E-450 2351 being built now.  They are considering it and I'm just waiting for the answer.
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George & Jill Budzynski, Birchbark Farm
Pax
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« Reply #6 on: June 22, 2016, 05:32:27 am »

 ThumbsUp
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JOHN
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« Reply #7 on: June 22, 2016, 04:54:05 pm »

Any response from Earl or Kermit on "Soundproofing the cab"?
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Polish Prince
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« Reply #8 on: June 23, 2016, 07:56:05 am »

Not yet, but I'm going to pester them today.
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George & Jill Budzynski, Birchbark Farm
ragoodsp
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« Reply #9 on: June 23, 2016, 09:11:51 am »

QuiteSolutions's web site is excellent explaining all of their different products and what each of them is suppose to accomplish.  The floor kit that is all pre cut (Ford product) and the QuiteSolutions part number is Econo-9214-VFK and is $178.00 plus shipping.  The cowl kit is $111.00 plus shipping.  Putting the floor kit down during construction should be a walk in the park since everything is stripped out.  One has to wonder why the floor insulation is not just put down automatically?  I would love to know what the counter argument might be to not do such?  Thanks, Ron
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Polish Prince
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« Reply #10 on: June 23, 2016, 03:48:45 pm »

I heard back from PC on the soundproofing improvements, they are not willing to undertake this task.  We are on our own for this.  I'm going to investigate having a local body shop do the install on these soundproofing enhancements.
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George & Jill Budzynski, Birchbark Farm
ragoodsp
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« Reply #11 on: June 24, 2016, 07:19:19 am »

It would be very interesting to know why PC made this decision?  One has to wonder if we are missing something here?  Thanks for asking PP.  Ron G.
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Doneworking
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« Reply #12 on: June 24, 2016, 07:36:29 am »

I suspect PC doesn't want to get involved with modification of the "Ford stuff".  The second they take off door panels, pull and change dog houses, etc. they have modified Ford design and may have altered Ford warranty.   When they start changing the heat reflection/absorption design of the Ford I suspect their liability would increase commensurately.

Paul
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ragoodsp
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« Reply #13 on: June 24, 2016, 08:46:59 am »

You must be right Doneworking.  I can see not wanting to change the doghouse engineering but putting 5/8" of insulation on the cold, noise transmitting floor is beyond me especially when there is a Ford part for the application?
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Polish Prince
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« Reply #14 on: June 24, 2016, 10:07:29 am »

PC does put the insulation on the floor, I agree it probably has to do with messing with the Ford warranty on the chassis.  The floor is completely bare and therefore they don't have to remove anything just add the insulation before they put down the carpet.  I thought the QuietRide website was a bit confusing as they don't specifically reference the E chassis in their menu.  I am still going to talk to my local body shop about insulating the dog house and doors, that sounds like a good idea.
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George & Jill Budzynski, Birchbark Farm
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