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Sound Deadening and Wiring, oh the wiring.

Day ~50-54


I figured the logical first step would be to install the sound deadening. I had purchased a bulk pack of Dynamat ‘Superlite’ on ebay in early 2015, when I grossly miscalculated my project’s timeline. I had decided on ‘Superlite’ to keep some weight off the ‘02. It was very easy to install and took me to about 5 hours in all, but I took my time.

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The next item on my agenda was to clean up some of the wiring, which included re-taping the old harnesses, removing the smog wiring and adding some new wiring. The new wiring would be used to power gauges (oil temp, oil pressure, water temp, wideband), aux fan, O2 sensor, radio antenna (I had the old antenna holes filed and am mounting a hidden one in the trunk).

"Peter" is my son's name and it was done with the bit of POR15 I needed to dispose of.
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“Wiring harness” for the VDO gauges, I also made a separate harness for the gauge lighting which will run off a free slot, controlled by the dimmer.

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In order to power all the items, I decided to add a relay which would trigger when the ignition was on, this would supply power to a fused distribution panel. I would be able to run all the new items off this.

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Just to get a few items out of the way and show some “visible” progress, I installed the headlight buckets, auxiliary fan and horns.

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With the wiring at about 75% complete, I received my package from EZ Cool (http://ezcool.us/) and decided to proceed with the installation on the firewall (I got the idea from billpaterson). I plan on using the EZ cool, on the engine bay firewall, the floor pan and roof (interior ceiling). I picked up some 3M Super 90 spray adhesive because I heard unflattering reviews about Super 77. It has a pretty cool nozzle, you can control the spread and the angle of the spray. The EZ cool is very EZ to work with, see what I did there? F I’m hilarious.

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EZ Cool firewall with original metal heat shield.
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This week, I’ll be working on finishing the wiring and adding the ez cool to the floor pan (on top of the dynamat).



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Hi MS,  I did much the same when I renovated the interior of my '72 MBZ last year.  First a UK product called Peacemat that is a rubberized instead of bitumen-based sound isolation.    I also covered the Peacemat with EZ Cool.  Great product.

I'm thinking of doing the same for my Tii.

I'm curious: I can't quite tell from the photos - Did you install the Dynamat inside the door panel on the exterior-facing surface, or on the interior-facing surfaces?

Thanks,

Kit

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2 hours ago, Swiss 2002Tii said:

Hi MS,  I did much the same when I renovated the interior of my '72 MBZ last year.  First a UK product called Peacemat that is a rubberized instead of bitumen-based sound isolation.    I also covered the Peacemat with EZ Cool.  Great product.

I'm thinking of doing the same for my Tii.

I'm curious: I can't quite tell from the photos - Did you install the Dynamat inside the door panel on the exterior-facing surface, or on the interior-facing surfaces?

Thanks,

Kit

 

I did neither.

 

I was thinking about in the door (on the inside of exterior facing sheet)...but heard too many people talk about the stuff falling off. I also thought about the interior panel but was worried about the door card fitment.

 

would be easy to get to in the future if I change my mind.. but it's ok for now. let me know if you end up doing one or the other.

 

 

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I did the Benz first time around back in 2001 after a down-to-steel strip and re-paint.  I had some OEM self-adhesive tar panels that I fixed to the exterior sheets of the doors.  In the 16 years since, only one sheet has come loose.

To me, that's where they make sense from a sound-dampening standpoint.

The access holes on the '02 are smaller, but it should be possible to get sheets warm and pliable to stick inside. 

Edited by Swiss 2002Tii

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I have my engine out for a rebuild, I just cleaned up and did some touch-up painting in the engine bay, so I think I'll follow your lead and install the EZ Cool on the firewall.  I have plenty left over.

BTW, EZ Cool makes great sunscreens for your front and rear windows!

Some "before" and "after" pictures...

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