Don't forget to deaden here...
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Team Owner
Joined: Feb 2000
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From: Sacramento CA
Don't forget to deaden here...
About two layers will fit before having issues putting the wheel well liner back in. Forget putting in foam. It's not going to happen.
Get everywhere you can, making sure to stay a little bit away from hot sources (exhaust pipes.) and be mindful of what is visible when the well liner is back in.
Be sure to use a QUALITY damping mat, such as Raamat BXT, Dynamat Extreme, B-Quiet, SecondSkin... Check out results of heat tests on the sound deadener showdown site. This is NOT a place to use peel & seal or edead. Especially not Edead because the adhesive will fail, and primarily because its plastic backed (not foil backed.) Remember, LESS of a quality product is BETTER than MORE of a crap product.
If you feel adventurous, LEAD would work very well.
And remember that DOUBLING mass means 5db of loss. It's very important you get deadening in all the nooks and crannies.
I did one side at a time and drove it. It definitely makes a difference in road noise. Not in exhaust resonance (wouldnt imagine it shouldn't anyway.)
Keep in mind i ALSO have a lot of liquid edead on the other side, as well as 2 layers of raaamat and luxury liner.
But don't forget to hit this area. It's better to treat near the source.
Thread Starter
Team Owner
Joined: Feb 2000
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From: Sacramento CA
Former Vendor
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From: Spring Texas
St. Jude Donor '08
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From: Sacramento CA
Right now, after all I've done, at 65mph on a nice road, pretty much my only noise is wind noise from the window corners... which sadly I can't do anything about.
Last edited by Kale; Jan 2, 2008 at 10:45 AM.
Former Vendor
Joined: Nov 2005
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From: Spring Texas
St. Jude Donor '08
I'm working on ways to remedy window noise. I only get wind noise above 75. After i adjusted the window seal compression. Did you use second skin on the wheel wells? Did you do thr fronts as well?
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Thread Starter
Team Owner
Joined: Feb 2000
Posts: 51,504
Likes: 6
From: Sacramento CA
It used to show up around 50, until I did the window clip and adjusted the window alignment.
didn't bother doing the front wheel wells. In fact, the front half of my car (doors aside) is barely deadened at all.
There is little point in putting mat on the "spine" of the car. You have to double mass to get an appreciable difference with mass loading. The center tunnel is pretty decent steel, so... adding mat would be like pissing into the ocean.
Safety Car
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From: Mt Laurel NJ
St. Jude Donor '06-'07
Thanks,
Randy
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Team Owner
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From: Sacramento CA
He commented that painting the surface with primer might help. I would suggest looking for a primer that has good adhesion to fiberglass/plastic and has a high heat tolerance.
