Cabin noise

RiCharlie · 03-03-2012, 09:36 AM

Quote:

Originally Posted by elmz

I've been running on the DWS for about 5k miles and they're not bad. They're all season tires, and Charlies is correct, they don't get as hard in the cold, and they handle very well in wet conditions. They're not that much quieter than the stock Bridgestones, but they are noticeably softer giving you a more comfortable ride. But that comfy ride comes at a cost. The softer tire wall means the turn in and weight shifts make the car feel "mushy" making it a little less fun IMO.

Elmz is San Deigo anywhere near San Diego?

RiCharlie · 03-03-2012, 09:38 AM

Heres a thought,,,imagine if you were the chief designer and engineer for Nissan and they asked you to design the newest Z..now imagine if your goal was to read through all these postings and come up with a solution that that would please everyone!!

rebe945 · 03-07-2012, 08:12 AM

Drove briefly , not a full test, but it really sounded totally as if in a normal sedan. Wow.

elmz · 03-07-2012, 11:15 AM

Quote:

Originally Posted by RiCharlie

Elmz is San Deigo anywhere near San Diego?

Haha! Man, I've been a member here since 09 and I've never noticed that

. Thanks! Updated.

lpsscc · 03-07-2012, 12:00 PM

1500 mile update -

The car is now as quiet as any of my other rides.
The new Yokohama S-Drive tires and doors/truck done in Dynomat extreme made all the difference.
No need to do anything else.

Moving on to do other mods... all done here.

lp

rebe945 · 03-07-2012, 07:11 PM

brucelidat · 03-07-2012, 07:24 PM

Looks like Dynamat will have to wait, I will be doing sway bars first instead, ha.

CSA0890 · 03-10-2012, 09:02 PM

Dynamat is way overpriced for what it is. I have used B-Quiet and Secondskin. I just recently got done doing my wifes entire mustang in secondskin including spectrum, damp pro, and overkill pro. High quality stuff for a good price. Bquiet is really good stuff too not the quality that secondskin is but for the price its amazing. I will be doing the hatch on the Z here soon

scottIN · 03-11-2012, 06:56 PM

So I did the Dynamat today. Definitely helped with the pebble noise, but maybe not as much as I had hoped. Did notice that the car has a much more 'solid' sound now though and you can definitely here the engine & exhaust more (even stock). One interior panel isn't fitting all the way so I think I've got a tight spot somewhere that not letting the panel sit flush. Figure I'll drive it for a while and maybe the panel will leave a mark on the Dynamat and I can find it.

Evil Sports · 03-11-2012, 08:00 PM

Installed Frost king Duct Insulation today. It took a bit to do but once I figured out to work with larger pieces first it was easier. Many small pieces to cut though. Im wondering about the spare tire talk, I filled the rim with a couple old sweatshirts and want to pack some stuff in the 3 side slots around the spare.
I guess it sounded better but its tuff to tell with the AAM short tails

rebe945 · 03-11-2012, 08:21 PM

Evil, what I did was apply the Frost King Insulation in many layers and added a 1/2 inch thick piece of backed on one side carpet insulation. I cut pieces to fit everywhere. the license plate section, the sides and even the section right behind the seats. I removed the spare( who needs it anyway). Then placed a folded bed comforter where the spare was.. Its clean and unseen. plus a nice storage area where the spare was. It definitely seemed to help, especially under normal cruising. When you first drive and listen, you maybe more aware and keen to any noise. When your driving later and not paying attention critically, you ( I) noticed a definite improvement. Thats enough to satisfy me. Now,as the other guys mentioned, you could get into the doors, but I dont want to screw with that and cause damage. Just add more and you'll see a difference. Plus, it cant hurt and doesnt cost much. I heard about second skin so maybe you could add more. Good driving man.

scottIN · 03-12-2012, 08:22 AM

Oh yeah. Doing it sucks. 4 hours in a 'poop squat' putting the stupid stuff in. Having a little trouble standing up straight today. And I think if we had a contest for the ugliest Dynamat install, I would be hands down winner. Lots'o little pieces. Not a job for a perfectionist. After a while it was just do whatever I could to get the hell out of there.

Evil Sports · 03-13-2012, 07:19 AM

My hamstrings are about to snap today

One thing I noticed now is how loud the doors are. Im not sure Im the guy to tackle that job. Is there some video here on how to do the doors?

scottIN · 03-13-2012, 10:18 AM

Here's a couple of photos from my install...

ImportConvert · 03-13-2012, 10:24 AM

Quote:

Originally Posted by RiCharlie

Heres a thought,,,imagine if you were the chief designer and engineer for Nissan and they asked you to design the newest Z..now imagine if your goal was to read through all these postings and come up with a solution that that would please everyone!!

Not difficult. If that were me, the Z would gain about 25# in sound insulation, noone would whine or bitch, and the stat would go un-publicized. Everyone would just notice the next model being much quieter and then they could opine on what it weighed, rip it out and weigh it if they wanted, etc., but 98% of them would just love the hell out of it and not ask.

03-07-2012, 08:12 AM	#393 (permalink)
rebe945 Enthusiast Member Join Date: Mar 2010 Location: middleburg hts, ohio Posts: 491 Drives: 2009 370Z black 7at Rep Power: 15	it works Drove briefly , not a full test, but it really sounded totally as if in a normal sedan. Wow.

03-07-2012, 07:24 PM	#397 (permalink)
brucelidat A True Z Fanatic Join Date: Jun 2011 Location: temple city, ca Posts: 2,432 Drives: 2011 370z 7AT GM Sp Rep Power: 31	Looks like Dynamat will have to wait, I will be doing sway bars first instead, ha. __________________ Works Emotion CR Ultimate - FI CBE w/ 18" resonators - Ecutek - eibach sways - Quaife - FI LTH w/race cats - kw v3 - spl - Topgunz SC - 488whp 398trq

03-11-2012, 08:00 PM	#400 (permalink)
Evil Sports Base Member Join Date: May 2011 Location: Mass Posts: 187 Drives: 11-370z-Blue-M6-ST Rep Power: 14	Installed Frost king Duct Insulation today. It took a bit to do but once I figured out to work with larger pieces first it was easier. Many small pieces to cut though. Im wondering about the spare tire talk, I filled the rim with a couple old sweatshirts and want to pack some stuff in the 3 side slots around the spare. I guess it sounded better but its tuff to tell with the AAM short tails __________________ My current Rice stable, Lexus RX 330, Nissan 370z, Honda Aquatrax turbo, Yamaha 212SS

03-11-2012, 08:21 PM	#401 (permalink)
rebe945 Enthusiast Member Join Date: Mar 2010 Location: middleburg hts, ohio Posts: 491 Drives: 2009 370Z black 7at Rep Power: 15	Cabin noise Evil, what I did was apply the Frost King Insulation in many layers and added a 1/2 inch thick piece of backed on one side carpet insulation. I cut pieces to fit everywhere. the license plate section, the sides and even the section right behind the seats. I removed the spare( who needs it anyway). Then placed a folded bed comforter where the spare was.. Its clean and unseen. plus a nice storage area where the spare was. It definitely seemed to help, especially under normal cruising. When you first drive and listen, you maybe more aware and keen to any noise. When your driving later and not paying attention critically, you ( I) noticed a definite improvement. Thats enough to satisfy me. Now,as the other guys mentioned, you could get into the doors, but I dont want to screw with that and cause damage. Just add more and you'll see a difference. Plus, it cant hurt and doesnt cost much. I heard about second skin so maybe you could add more. Good driving man.

03-13-2012, 07:19 AM	#403 (permalink)
Evil Sports Base Member Join Date: May 2011 Location: Mass Posts: 187 Drives: 11-370z-Blue-M6-ST Rep Power: 14	My hamstrings are about to snap today One thing I noticed now is how loud the doors are. Im not sure Im the guy to tackle that job. Is there some video here on how to do the doors? __________________ My current Rice stable, Lexus RX 330, Nissan 370z, Honda Aquatrax turbo, Yamaha 212SS

03-03-2012, 09:38 AM	#392 (permalink)
RiCharlie Track Member Join Date: Oct 2010 Location: Johnston RI Posts: 857 Drives: 370 Touring Spt A/t Rep Power: 16	Heres a thought,,,imagine if you were the chief designer and engineer for Nissan and they asked you to design the newest Z..now imagine if your goal was to read through all these postings and come up with a solution that that would please everyone!!

03-07-2012, 12:00 PM	#395 (permalink)
lpsscc Base Member Join Date: Jan 2012 Location: Charleston, SC Posts: 75 Drives: 40th, Altima SE-R Rep Power: 13	1500 mile update - The car is now as quiet as any of my other rides. The new Yokohama S-Drive tires and doors/truck done in Dynomat extreme made all the difference. No need to do anything else. Moving on to do other mods... all done here. lp

03-07-2012, 07:11 PM	#396 (permalink)
rebe945 Enthusiast Member Join Date: Mar 2010 Location: middleburg hts, ohio Posts: 491 Drives: 2009 370Z black 7at Rep Power: 15

03-10-2012, 09:02 PM	#398 (permalink)
CSA0890 Base Member Join Date: Nov 2011 Location: Oklahoma Posts: 174 Drives: 2011 Tour/Spt 7AT Rep Power: 14	Dynamat is way overpriced for what it is. I have used B-Quiet and Secondskin. I just recently got done doing my wifes entire mustang in secondskin including spectrum, damp pro, and overkill pro. High quality stuff for a good price. Bquiet is really good stuff too not the quality that secondskin is but for the price its amazing. I will be doing the hatch on the Z here soon

03-11-2012, 06:56 PM	#399 (permalink)
scottIN Track Member Join Date: Aug 2011 Location: New Castle, Indiana Posts: 764 Drives: '12 370Z Rep Power: 55	So I did the Dynamat today. Definitely helped with the pebble noise, but maybe not as much as I had hoped. Did notice that the car has a much more 'solid' sound now though and you can definitely here the engine & exhaust more (even stock). One interior panel isn't fitting all the way so I think I've got a tight spot somewhere that not letting the panel sit flush. Figure I'll drive it for a while and maybe the panel will leave a mark on the Dynamat and I can find it.

03-12-2012, 08:22 AM	#402 (permalink)
scottIN Track Member Join Date: Aug 2011 Location: New Castle, Indiana Posts: 764 Drives: '12 370Z Rep Power: 55	Oh yeah. Doing it sucks. 4 hours in a 'poop squat' putting the stupid stuff in. Having a little trouble standing up straight today. And I think if we had a contest for the ugliest Dynamat install, I would be hands down winner. Lots'o little pieces. Not a job for a perfectionist. After a while it was just do whatever I could to get the hell out of there.

03-13-2012, 10:18 AM	#404 (permalink)
scottIN Track Member Join Date: Aug 2011 Location: New Castle, Indiana Posts: 764 Drives: '12 370Z Rep Power: 55	Here's a couple of photos from my install...

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