hunt350z Posted October 10, 2007 Share Posted October 10, 2007 Hi my 350z gets alot of unwated noise from rear of car, would like a pro solution to this problem. Anyone carried out sound deadening cheers David Quote Link to comment Share on other sites More sharing options...
Stew Posted October 10, 2007 Share Posted October 10, 2007 A tonneu cover helps as does changing the tyres! Quote Link to comment Share on other sites More sharing options...
GIXXERUK Posted October 10, 2007 Share Posted October 10, 2007 lots of people have sound deadened their car mate and it helps a lot, the tonneau cover also helps but imo isnt enough, brown bread, dynamatt etc i think its the rear inner arches that most of the noise comes from, notice how tinny it sounds when you go over loose ground and the tyres through stones up, quite a big area to cover the boot and arches and its heavy stuff Quote Link to comment Share on other sites More sharing options...
H5 Posted October 11, 2007 Share Posted October 11, 2007 Above ideas are good and do help. When it comes to choosing a product, Dynamat Xtreme everytime IMO. Quote Link to comment Share on other sites More sharing options...
Andy Posted October 11, 2007 Share Posted October 11, 2007 Agree with the above, Dynamat Extreme all the way!! Quote Link to comment Share on other sites More sharing options...
sl114 Posted October 11, 2007 Share Posted October 11, 2007 Its just like cooking a turkey Quote Link to comment Share on other sites More sharing options...
Andy Posted October 11, 2007 Share Posted October 11, 2007 Just need a kitchen sink in the Z now, if only I had the room! Quote Link to comment Share on other sites More sharing options...
Chris`I Posted October 11, 2007 Share Posted October 11, 2007 I did mine with a single layer of Second Skin and it did wonders for my daily commute. The only thing I have now noticed is that it seems to rattle a little more. I think this is prob down to getting rid of the road noise more than anything. So be warned, once you start you'll be after more to keep the thing quiet! I'm currently looking at getting so SS Sludge to put around the driver and passenger seats and also some sheet foam to put in all the rattly places. Then I'm sure I'll find more noise from somewhere else. The other option is to get a Nismo exhaust and then you'll not be able to hear anything other than that! Quote Link to comment Share on other sites More sharing options...
M13KYF Posted October 11, 2007 Share Posted October 11, 2007 moved Quote Link to comment Share on other sites More sharing options...
sl114 Posted October 11, 2007 Share Posted October 11, 2007 Mike do you have a template for those posts? Quote Link to comment Share on other sites More sharing options...
M13KYF Posted October 11, 2007 Share Posted October 11, 2007 no just rsi Quote Link to comment Share on other sites More sharing options...
Sarnie Posted October 11, 2007 Share Posted October 11, 2007 Mike do you have a template for those posts? Thats all he, beavis and Digsy post now!!! Quote Link to comment Share on other sites More sharing options...
M13KYF Posted October 11, 2007 Share Posted October 11, 2007 found your lambo's owners club forum yet sarnie Quote Link to comment Share on other sites More sharing options...
Sarnie Posted October 11, 2007 Share Posted October 11, 2007 found your lambo's owners club forum yet sarnie Yep. Here. Quote Link to comment Share on other sites More sharing options...
sl114 Posted October 11, 2007 Share Posted October 11, 2007 no just rsi Haha, that broke the mould Quote Link to comment Share on other sites More sharing options...
GIXXERUK Posted October 11, 2007 Share Posted October 11, 2007 The Xtreme is far thinner, but just as good at sound deadening Quote Link to comment Share on other sites More sharing options...
GIXXERUK Posted October 13, 2007 Share Posted October 13, 2007 It's easy to spend a fortune for little results. I hope this posts helps you to get effective results. When done right, the engine and exhaust is more audible, and they general driving experience is greatly enhanced. Weight? for all this weighs? if you really that worried, go on a diet and get a thinner bird lol. Your problem areas are the doors, boot floor, and rear quarters. I'll tackle each individually. Materials that are effective. Dynamat extreme - not the std stuff which will peel off in the cold. Effective to stop panel resonance, also good for creating enclosures to make proper seals in cavity's etc. SA25(FR)SA from http://www.soundservice.co.uk/Soundabso ... erials.htm. This self adhesive model is very good at tackling tyre roaring. It can be applied to the boot area, rear quarters, and between the door card and the inner skin. Being foam there is no weight penalty. Noisekiller Lead Sandwich - http://www.noisekiller.co.uk/materials.php. Make a tight fit under mat for your boot carpet. Very effective. Can also be applied under your floor carpet. To the job next. The doors may not seem a big problem, but when you sort the boot and quarters it will become the main one. Use dynamat extreme on the outer skin, but dont over do it. Cut smaller bits and use them to seal up the openings in the door before refitting the plastic sheet. Apply SA25(fr)SA to the inside of the door card where it will allow you to. The quarters, famous nissan problem. Line the arches with a double layer of dynamat extreme, along with a single layer on the outer skin. Fit SA25(FR)SA in double layer over the wheel arch and single layer on the outer skin. If you feel rear adventurous, try using a dyn ext to create a seal for the inner skin leaving a little of the backing where the seat belt does through. Add SA25(fr)SA where it allows on the inside of the cover panel. The boot. Remove the boot panels around the side and stuff all the SA25(fr)SA where ever it allows. Cut some Lead sandwich the same size and shape as the boot carpet (leave it a little big and trim in place) so as it seals the lower boot area. You should now have a very low road noise, so you can hear the excellent exhaust and engine. For those who really want to go to town on this- remove the interior, and fit the lead sandwich to cover the floor, you will have to make a few cut-outs for things. You could even put some under the back seat if you wish. And for the perfectionist, dynamat the inside of the roof skin, believe me this actually makes a difference! as sound radiates through the panels to this one which is closest to your ears. borrowed Quote Link to comment Share on other sites More sharing options...
H5 Posted October 13, 2007 Share Posted October 13, 2007 Talkaudio?! Quote Link to comment Share on other sites More sharing options...
N15MNO-Daron Posted October 30, 2007 Share Posted October 30, 2007 Needs his own personal page for all that info! Quote Link to comment Share on other sites More sharing options...
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