dbXR60 Member 24 Member For: 13y 11m 19d Posted 26/06/12 11:05 AM Share Posted 26/06/12 11:05 AM (edited) Recommend you read a couple of threads and save yourself some bucks:Sound deadening a vehicle "On the outer skin, 50% coverage of dynamat extreme (or any butyl/alu deadener) is probably about as much as you can use before you start wasting money big time and getting tiny improvements for large costs."Proper sound deadening (Dynamat) technique "You don't need to plaster the entire inside of the car with dynamat. Simply put 1-2" strips of the stuff over about 20-30% of the surface of the panels, in a chevron, or checkerboard pattern. This will get you 95% of the sound improvement of a full application without all that wasted mass or expense."But really, Dynamat and similar are really about reducing vibration, not sound deadening per se...db Edited 26/06/12 11:08 AM by dbXR60 3 Link to comment Share on other sites More sharing options...
SuckSqueezeBangBlow ʎǝʞuoɯ ɹoıuǝs Donating Members 1,808 Member For: 15y 10m 29d Gender: Male Posted 27/06/12 06:01 AM Share Posted 27/06/12 06:01 AM I used the jaycar stuff combined with some rubber carpet underlay in my spare wheel well and it made a huge difference to the road noise. Link to comment Share on other sites More sharing options...
jrjoz Member 23 Member For: 12y 4m 10d Gender: Male Location: Victoria Posted 03/07/12 12:42 PM Share Posted 03/07/12 12:42 PM Hey Guys, I'm in the middle of treating my ute...I run a production company so I'm measuring the results as I go and will write up a full report on what I find. Currently by treating the rear wall and quarters there is around a 4dB reduction in roadnoise and a gain of 1.5dB under 100hz out of the factory sound system.This is a full bulk pack of dynamat (double layer of dynamat and a dynaliner across the rear wall). I also did the insides of the speaker cavities and any holes which where then covered in dynamat.I will do the doors in the next week or so and update you on how effective it is. 3 Link to comment Share on other sites More sharing options...
jrjoz Member 23 Member For: 12y 4m 10d Gender: Male Location: Victoria Posted 14/07/12 08:04 AM Share Posted 14/07/12 08:04 AM (edited) Hey Gang,I have put a few replies on topics relating to Dynamat / Dynaliner.From standard I set up a few tests to see what happens as you treat the cabin.I run an audio production company and regularly treat venues and studios that require high quality sound, figured I could probably write all this off on the business if I write a bit of a report on my findings yeah?Few things... my ute is a 2009 Ford FG XR6 NA on 19's running Dunlop tires, larger wheels will always increase road noise.Pink noise test was done through standard speakers not premium sound.Engine test was just at idle with no background noise.These tests are done with no weighting as using A or C weighting would filter some low noise from results.Original TestsEngine – 79.9 dBPink – 88.980km – 96.75Rear Wall, Seatbelt channel, Speaker Cavities ( took around 4 hrs to treat ) - 1 full bulk pack used + 70% of a 50mm DynalinerSeatbelt cavity filled with Acoustisorb 3 and sealed with aluminium tape, speaker cavities treated with Dynamat then a layer of Acoustisorb 3, all cavities in rear wall filled and sealed.Engine – 79.55Pink – 89.9580km – 93.05After doors treated ( took around 2.5 hours to treat ) 4 sheets used + Remainder of Dynaliner placed behing speakersEngine – 80Pink – 9180km – 91 or 82dB C weightedResults indicate that we have lost around 6dB of road noise in the cabin at 8kmh which is huge.We also see an improvement in the speaker performance and flatter frequency response, there is a big increase in frequencies below 100hz even from the crap factory system. I looked into doing the rood but feel it's not viable on a ute as it's half the size of a sedan and very rigid.Ford have also treated a large portion of the floor but when I get a chance I would look at doing the front wells and also treat the bonnet to keep the engine noise contained a little more.My photo album can be found here with a few tips I made along the way - photobucket.com/fgtreatmentA tutorial to strip the doors can be found here - Anyways I think it's well worth it, the standard speakers are even now worth listening to but I'm doing a full system over haul in the coming weeks.Looking into the following...Dynaudio Esotec 242 GT splits2 x Dynaudio Esotec MW 180's in rear speaker positionsRunning off JL - X D 700/5 - Channels bridged to run the splits, sub channel running both 8"sAlso got a box of Plastidip so will test up what black wheels and sports bar look like.Any Q's feel free to hit me up, I'm in Melbourne.Cheers, J Edited 14/07/12 08:14 AM by jrjoz 4 Link to comment Share on other sites More sharing options...
spoken Donating Members 133 Member For: 12y 4m 11d Gender: Male Location: sydney prestons Posted 14/08/12 12:47 PM Share Posted 14/08/12 12:47 PM nice post Link to comment Share on other sites More sharing options...
Boganspeed Will do skids for food Silver Donating Members 1,177 Member For: 13y 9d Gender: Male Location: Perth SOR Posted 17/08/12 10:20 AM Share Posted 17/08/12 10:20 AM Awesome ! Reducing road noise alone would make it a great mod.Maybe I could wrap my diff in the stuff 2 Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 1m 21d Gender: Male Location: Perth Posted 17/04/13 07:16 AM Share Posted 17/04/13 07:16 AM Worth it?Hook ups?Prices?Where to install in a B series for road/exhaust noise reduction?KGO! Link to comment Share on other sites More sharing options...
AusAnt Turbo Noob Donating Members 331 Member For: 12y 1m 20d Gender: Male Location: Adelaide Posted 17/04/13 08:37 AM Share Posted 17/04/13 08:37 AM Ear plugs? Link to comment Share on other sites More sharing options...
stroller SHLAMBD. Member 259 Member For: 12y 6m 8d Gender: Male Location: Perth NOR Posted 17/04/13 09:14 AM Share Posted 17/04/13 09:14 AM its definitely worth it. Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 16y 5m 14d Gender: Male Location: Adelaide Posted 17/04/13 09:15 AM Share Posted 17/04/13 09:15 AM ^^^ this man is now one of us ^^^ Tuff one ralphy its expensive but works very well Ebay or online yields the best prices and all the common areas obviously like parcel shelf, doors , rear seat well etc etc Link to comment Share on other sites More sharing options...
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