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-   -   Engine Sound pad Dimensions? (http://forums.pelicanparts.com/porsche-911-technical-forum/136907-engine-sound-pad-dimensions.html)

Sonic dB 11-23-2003 09:44 AM

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David 11-23-2003 09:51 AM

If only you asked two weeks ago before I put in a new one.:(

Rot 911 11-23-2003 01:44 PM

Sonic I just got a brand new factory one. If you can wait a day or so I will measure it for you and even take a picture of it!

Sonic dB 11-23-2003 01:52 PM

Thanks Kurt. Ive looked all over but cant find a listing of the measurements.

shipibo 11-23-2003 02:48 PM

Sound Pad
 
Kurt,
Would appreciate knowing the dimensions also if you have time. Chuck

Rot 911 11-23-2003 04:02 PM

38" width at top
44-1/2" width at widest point
41-1/2" width at bottom (just above the notch)

21-1/2" height in middle
23" heigth at ends
http://forums.pelicanparts.com/uploa...1069635733.jpg

Sonic dB 11-23-2003 04:47 PM

You da Man Kurt! Many thanks. Picture helps me cut the pattern too.

Gracias!

Evans, Marv 11-23-2003 04:55 PM

Just a sound pad question. Anybody have an idea how much noise the factory sound pad actually eliminates? Or, what would be a better material - something like Dynamat? I haven't found anything sofar that seems to do a decent job. Sound pads are easy to make. The last one I made was from sound proofing material with foam, aluminized mylar and a thin lead(?) layer in the middle about 1 inch thick. I'm thinking of trying to find something else when I get to that point with my '69.

Sonic dB 11-23-2003 06:45 PM

From what Ive read in this forum, the new OEM sound pad is pretty good...better than the original pad and lighter weight.

I can not speak from experience though. I am using a light weight 1/2" thick material called 'Thermoshield' that I bought for $20 a roll at Pep Boys. It has a shiny foil heat reflective surface, and a cloth-type material underneath. It is easy to cut and work with.

I lined the inside of the carpet last week with two layers, and tonight I installed one layer in the engine compartment, using the 3M 90 adhesive. Each layer reduces the sound about 10% or so, so Im at about 30% reduction from the original sound (my car had no sound pad originally and was very loud). I am going to do one more layer in the engine compartment and then tape down the outer edges of the material with high quality duck tape.

Primarily, the high frequency air intake scream is what is being reduced. The low rumble is reduced to a lesser extent. Thats OK, I like the low rumble.

SpeedracerIndy 11-24-2003 01:44 AM

My car had dynamat installed on the firewall behind the rear seat. It does nothing to reduce engine noise as far as I can tell.

TC_SJ 11-11-2004 10:51 AM

Quote:

Originally posted by Sonic dB
From what Ive read in this forum, the new OEM sound pad is pretty good...better than the original pad and lighter weight.

I can not speak from experience though. I am using a light weight 1/2" thick material called 'Thermoshield' that I bought for $20 a roll at Pep Boys. It has a shiny foil heat reflective surface, and a cloth-type material underneath. It is easy to cut and work with.

I lined the inside of the carpet last week with two layers, and tonight I installed one layer in the engine compartment, using the 3M 90 adhesive. Each layer reduces the sound about 10% or so, so Im at about 30% reduction from the original sound (my car had no sound pad originally and was very loud). I am going to do one more layer in the engine compartment and then tape down the outer edges of the material with high quality duck tape.

Primarily, the high frequency air intake scream is what is being reduced. The low rumble is reduced to a lesser extent. Thats OK, I like the low rumble.

Hello

How you managed to install the new sound pad with dropping the engine, can you share the trick ?

Thanks


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