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The Pub For General Automotive Related Talk |
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30-10-2015, 12:26 AM | #1 | ||
FF.Com.Au Hardcore
Join Date: Nov 2008
Posts: 1,422
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Anyone here soundproofed their car?
I got a ton of road noise in my GS with the 20" wheels and firm suspension. Considering sound proofing it. Has anyone done this, and is it much of a difference from the stock sound deadening?
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2011 SILHOUETTE FPV GS 315 #0275 20x10", 20x8.5" Lenso D1R's Pedders XA Coilovers Brembo 4/1 Pacemaker 1" 7/8 Headers Twin 3" Stainless Manta Catback XFT Built Motor XFT Custom Surge Tank XFT Stage 3 ZF Final Drive Chromoly Tailshaft KPM Twin Air Filter KPM Stage 2 Intercooler KPM Twin Throttle Body 2.6L Kenne Bell on E85 BlueStreak Circle D Converter 900+ rwhp thanks to Xtreme Ford Tuning |
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30-10-2015, 11:09 AM | #2 | ||
#neuteredlyfe
Join Date: Apr 2012
Posts: 10,625
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"MADAYA" is the one to speak to about this - he is a regular on these forums.
Try this thread if you haven't already read it; http://www.fordforums.com.au/showthread.php?t=11373716 There was some sort of discussion in the FG to FGX section but I can't find it at the moment. I have sound deadened the outer skin of my doors. I noticed an immediate difference to the sound level in the car, however, I have become used to it over time and don't really notice it anymore. A good side effect of sound deadening the doors is that it does improve the sound system (more than you would think). Another side effect is that your doors feel more solid when you close them. If you have a sub woofer in the rear parcel shelf (which I don't) the sound deadening on the rear parcel shelf also improves the sound system as well. |
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30-10-2015, 11:21 AM | #3 | ||
It's not an FG MKI.......
Join Date: Nov 2006
Location: Northern Territory
Posts: 7,435
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Yep. Did my car when it was 6 months old.
I didn't use Dynamat, however. Couldn't justify the price. I used a similar product I bought of ebay. Took me 8 hours to strip the interior, apply the soundproofing material and refit the interior. I covered, outer door skins, inner door skins, b pillar, c pillar, parcel shelf top and bottom, whole boot well, bootlid and the whole floor of the car I used some additional traditional sound proof matting. The only panel I didn't do was the roof under the roof lining. I wish I had now, as the only external noise that I get more of is wind noise from the roof area. Well worth the effort, not only to decrease external road noise, but to enhance the listening experience if you have upgraded the stereo.
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30-10-2015, 11:15 AM | #4 | ||
FF.Com.Au Hardcore
Join Date: Jun 2011
Location: Pt Lincoln far side South Oz
Posts: 5,842
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Agree with PG2.
Immediately noticed BIG difference in my BF ute but 12/18 months down the track thinking it sounds noisy again. Nothing has come off you just get used to it. MADAYA used both sound deadening and sound ???? I only used sound deadening stuff. Read his various threads/posts.
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30-10-2015, 11:42 AM | #5 | ||
Trev
Join Date: Apr 2006
Location: Was Perth, now country Vic
Posts: 8,017
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Had my floor, doors, boot and bootlid done in dynamat when I had the new speakers etc. put in. I guess it helps, hard to know without doing a real study back to back, when I got the audio upgrade that was blasting out too much to really study the difference in reduced road noise etc.
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Trev (FPV FG II GT-E thus the fully loaded burger with the lot as standard +Alpine/Dynamat fitout - 2 of only 4 ever made GT-E factory 9" rear rims - Michelin Pilot Supersports - Shockworks Suspension) |
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30-10-2015, 12:33 PM | #6 | ||
FF.Com.Au Hardcore
Join Date: May 2006
Location: In my happy place
Posts: 5,432
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I used a Dynamat type product (no brand on it) I got from one of the advertisers on this forum, was less than half the price of Dynamat
I used it on the 38 as the heat that came through the floor was crazy It cut a lot of the noise down and made quite a difference in the cabin temp and it was a piece of **** to work with
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30-10-2015, 12:44 PM | #7 | ||
bitch lasagne
Join Date: Aug 2012
Location: Sonova Beach
Posts: 15,110
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My efforts with the FG when I had it:
http://fordforums.com.au/showthread....uilders&page=2 Oh and to the OP, what tyres are you running? They make a world of difference to road noise. Last edited by Trump; 30-10-2015 at 12:50 PM. |
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30-10-2015, 02:22 PM | #8 | ||
Regular Member
Join Date: Oct 2010
Location: Perth
Posts: 391
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If you do go ahead and dynomat the car it'd be interesting if you could run a test using an iphone decibel meter or similar. I'm not sure if this would work or show a difference but what you could try is:
- Get a mate to help you, i.e. position phone - Run the car at a constant speed at a particular location on a coarse chip freeway, i.e. note the reading at a particular way point, eg. a tree or a bridge, or perhaps five different points, and write them down, - And also try with the phone in different locations, eg. console lid, side of driver's headrest, rear passenger seat - Then fit the dynomat and repeat - If you got a 3 dB average drop this would be quite impressive! |
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31-10-2015, 01:20 AM | #9 | |||
FF.Com.Au Hardcore
Join Date: Nov 2008
Posts: 1,422
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Quote:
Thanks everyone. Advice taken on board.
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2011 SILHOUETTE FPV GS 315 #0275 20x10", 20x8.5" Lenso D1R's Pedders XA Coilovers Brembo 4/1 Pacemaker 1" 7/8 Headers Twin 3" Stainless Manta Catback XFT Built Motor XFT Custom Surge Tank XFT Stage 3 ZF Final Drive Chromoly Tailshaft KPM Twin Air Filter KPM Stage 2 Intercooler KPM Twin Throttle Body 2.6L Kenne Bell on E85 BlueStreak Circle D Converter 900+ rwhp thanks to Xtreme Ford Tuning |
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30-10-2015, 02:31 PM | #10 | ||
Moderator
Join Date: Jun 2006
Location: Foothills of the Macedon Ranges
Posts: 18,575
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I only dynamatted the rear shelf which made the rear of the car much quieter. I think the undeadened shelf acts like a drum. Not doing anything more.
So I suggest to start there. |
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30-10-2015, 03:20 PM | #11 | ||
Regular Member
Join Date: Jul 2013
Location: Hills District
Posts: 424
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I have done the doors, parcel shelf, boot well and boot liner.
Definitely made a difference for me. Still notice noise from the floor, and particularly from behind the dash /firewall and the transmission tunnel. Thinking of doing these next.
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30-10-2015, 05:09 PM | #12 | ||
Experienced Member
Join Date: Sep 2006
Location: Australasia
Posts: 7,660
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I did the back cabin wall of my FG ute, made a big difference to road noise emanating from the rear, worth the effort.
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30-10-2015, 05:47 PM | #13 | ||
FF.Com.Au Hardcore
Join Date: Jun 2011
Location: Pt Lincoln far side South Oz
Posts: 5,842
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yep but watch out for the slots that I believe would channel the air flow for air con
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31-10-2015, 04:12 AM | #14 | ||
Missing a sock...
Join Date: Mar 2012
Location: Brisbane 4017
Posts: 8,250
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Madaya (Gaz) even did the hood lining in his ute, and the under bonnet, I can vouch for the quietness of his ride - I've driven it.
He's pretty rectal about his stuff. Not tinny at all like most utes are. Cheers!
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Last edited by supershifty; 31-10-2015 at 04:20 AM. |
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