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Date:   Mon, 27 May 2002 12:53:16 -0500
Reply-To:   Max Wellhouse <maxjoyce@IPA.NET>
Sender:   Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:   Max Wellhouse <maxjoyce@IPA.NET>
Subject:   Re: Dynamat install ?'s on front doors(long)
Comments:   To: Andrew Bell <andrewbell@QWEST.NET>
In-Reply-To:   <3CF26CC4.8C9A5104@qwest.net>
Content-Type:   text/plain; charset="us-ascii"; format=flowed

I would think that a home type fiberglass insulation in the front doors would cause some serious moisture absorption problems and eventually rusting in there.

Max At 12:28 PM 5/27/2002 -0500, Andrew Bell wrote: >Hey Max - > >I just noise-proofed he '87 Syncro. This is my second Van, and the first, >an '84 >GL was done with conventional DynaMat to the tune of $125 for a portion of the >space I thought should be 'Matted. > >With this Syncro, I took a different approach and used spray on rubberized >undercoating to replace the DynaMat. In the large panel areas I tossed in some >fiberglass to deaden it. the Syncro was REALLY noisy before, and now it's even >quieter than the other Van turned out to be. As for the front doors, I got >some >cups that go behind the speaks (I have the JBL GTO 2x kit...) sprayed the heck >out of the door with some insulation on the extreme top and bottom. > >With the insulation it was about $32 - $7 for the insulation, and the >balance on >the "professional" grade undercoating. > >Just what I did - > >AB > >Max Wellhouse wrote: > > > My poor old 20 year old Nakamichi SP400 stereo speakers finally coughed up > > their last Basia tune the other day, and after finding out replacement > > drivers for them ran $80 each from the Nak website, I went speaker > > shopping. didn't like anything I heard until I listened to a set of 6" > > Focal 2 way 165H's at a high end car stereo place in town. Tweeters are > > separate and have their own crossover and the kit was about $300(their > > kevlar woofer model was like $550 a set!). Installed the woofer(really a > > big mid range as I have 8" R/F Punch woofers under the back seat) about a > > foot up from the bottom of the door and the tweeter under the stock > > Vanagon location. They don't sound nearly as good in the van as they did > > in the store, and after feeling how much the bottom of the door vibrates > > with this new 6 " speaker in there, I think I see why Dynamat is in > business. > > > > The Dynamat is supposed to soak up the vibration and make the speaker sound > > better and I've heard enough testimonials to that effect to be > > convinced. My question(s) run something like this: > > 1. With the fresh air channel in the van's front doors, how do you > > properly clean the metal door surface so the Dynamat will stick? Not only > > is it dirty under there, It appears to be hell getting any cleaning > > technique to work. I assume I leave the factory plastic intact, or do I > > remove it for cleaning and install and then return it or replace it after > > I'm done? > > 2. Dynamat sales folk say the Extreme Dynamat requires less "rolling and > > heating" and is lighter weight(guessing for roof installations). Is it > > worth the extra cost considering the tight quarters we're working with? > > 3. Does the entire door need to be deadend or just "x" number of square > > feet near the speaker? I couldn't believe how much that door shook with > > the volume up > > 4. Any tips on advantages of doing other vehicle panels with this > > stuff. It is kinda expensive, but a quieter van is a good thing I think, > > stereo or no stereo. > > 5. What sort of solvent/cleaner worked best in your experience? Acetone? > > Xylene? Zep orange stuff? Misty LimoSol? 409? > > > > I can't imagine doing the roof of the van, but any help on doing floors/ > > firewall /back hatch/rear bed area/side door/side panels would be greatly > > appreciated. There has to be a point of diminishing returns here and I may > > do this project one section at a time as funds are available. I do have to > > save enough money here to buy a new radiator this summer!! > > > > Thanks, > > > > Dimwitted Moose and Flying Squirrel


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