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#1019104 - 01/24/11 06:54 PM I'm lovin this dynomat stuff  
zarktheshark  Offline
Rock Warrior
Joined: Dec 2008
Posts: 655
Monroe, Wa *****
I have always thought my rig was a bit load going over pot holes, speed bumps, etc and was thinking, hey, that roof is an awful big, thin piece of sheet metal that really can pump out the tinny noise. So, when i took the headliner out, I decided to put some dynomat on it to see if it would help. WOW. On my way to work today, I tried to hit every bump and hole that I would normally try to avoid and was smiling all the way to work. It works great. I paid $75 for one 2x6ft sheet. Cut about 2\3 for the back and centered it and put the rest in the front centered. I don't know if I got robbed on the price, but to me, it was worth it regardless. It's not very thick, so it should not cause any problems with putting the liner back up, but I'm also thinking about doing something different with the headliner. But that is later down the road.


'88 Raider. 2.6L dead...2.4L swap in progress, AT, 33's, 2 bouncy seat,AC, CC, 2.25 exh, 2" Tbar, 2" BL, rear DB, rear LSD,4.90's, SW hubs,gen2 uca's, KYB shocks, snorkel, elec fan, MSD.

'99 chev k3500 crewcab
'15 Subaru XV
'94 YJ
'86 Fiero GT

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#1019105 - 01/25/11 01:26 AM Re: I'm lovin this dynomat stuff [Re: zarktheshark]  
JohnnyBfromPeoria  Offline
Trail Leader
Joined: Jun 2002
Posts: 6,198
Phoenix, AZ *****
I've heard good things about the product, and it is expensive wherever you buy it. If money were no object, I'd think about pulling all the panels/headliner/carpet and putting it in.

John B.


'87 Raider 2.6 Turbo Auto, Under Construction
'95 Montero SR, 35x12.5/15 BFG M/T KM-2's, Rock sliders, Qtr panel chop, gas tank lift, 2" BL, Aisins
'86 SWB, 2" BL, 33" BFG KM-2's, 2.4l KM-148
2012 Chevy Camaro LS V6/M6 IPF S/C

#1019106 - 01/25/11 01:50 AM Re: I'm lovin this dynomat stuff [Re: JohnnyBfromPeoria]  
hazy_daze  Offline
Roll Me Over
Joined: May 2007
Posts: 4,623
Athens, Georgia *****
Yeah, it's usage was SOP when building mobile sound systems back in the day. It made worlds of difference in the system sounding like a wet fart or angels singing.


Fasteddy's advice is occasionally sound...

#1019107 - 01/25/11 02:10 AM Re: I'm lovin this dynomat stuff [Re: hazy_daze]  
w8lon  Offline

Need a Spot
Joined: May 2010
Posts: 14
Upper Peninsula,Mi
We used similiar material in the yacht building industry.You could not even tell that there were twin 3000hp diesels and a couple of 200kw gensets running through a six inch wall.


90 LWB,Treehugger
97 Subaru Legacy L wagon

#1019108 - 01/25/11 05:55 PM Re: I'm lovin this dynomat stuff [Re: w8lon]  
willwinchforfood  Offline
Rock Warrior
Joined: Sep 2008
Posts: 508
Tucker, Ga
Who doesnt love the sound of a wet fart.


SOLD!!: 91 LS 95 SR Rear LSD front 95 LS front brakes Dons Bumper 10k Gorilla/Promark winch Safari Snorkel Dual bouncy 31's

1991 Chevy Suburban 33's. All other stock.

#1019109 - 01/25/11 07:05 PM Re: I'm lovin this dynomat stuff [Re: willwinchforfood]  
off-roader  Offline

Web Wheeler
Joined: Jan 2000
Posts: 16,224
Bay Area, CA *****
So is there a decent 'low cost' alternative? Not interested in rhino/hercu-lining anything either.


Off Roader
96SR (3.15:1 xcase, 35's)
96SR Build Up Thread
Old web page
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#1019110 - 01/25/11 07:47 PM Re: I'm lovin this dynomat stuff [Re: off-roader]  
RECON45  Offline

Body Damage is Cool
Joined: Jul 2009
Posts: 1,342
Statesville, NC
There is some knock off dynamat on ebay. do not know how well it compares to the real stuff. I still have a roll heat sound deading matting might install this on the roof and see how it does. thanks for sharing.


91 Montero LS "Sandstorm", Auto, Dual Bouncy Seats, 2" Suspension lift, 2" Body Lift, GENII front IFS, 32" MT tires

89 Raider "Trailbreaker", 3.0, Auto, Dual Bouncy Seats

#1019111 - 01/25/11 07:53 PM Re: I'm lovin this dynomat stuff [Re: off-roader]  
zarktheshark  Offline
Rock Warrior
Joined: Dec 2008
Posts: 655
Monroe, Wa *****
I haven't found one. I tried the spray on bedliner stuff on the rear quarter panel and the floor and I didn't notice much if any difference. There is a spray called boommat that is $10 a can and is supposed to cover 10sq ft, but I have not tried it yet and don't know if i will. I'm thinking that I will buy a little more for my inner doors and I'm also looking for a better solution for the hood since I don't like the fact that the oem hoodliner only covers half of the hood. For that I was thinking about a product called lizzard skin, but it cost more and you need a special spray gun <img src="/forums/images/graemlins/frown.gif" alt="" /> still doing research on that.


'88 Raider. 2.6L dead...2.4L swap in progress, AT, 33's, 2 bouncy seat,AC, CC, 2.25 exh, 2" Tbar, 2" BL, rear DB, rear LSD,4.90's, SW hubs,gen2 uca's, KYB shocks, snorkel, elec fan, MSD.

'99 chev k3500 crewcab
'15 Subaru XV
'94 YJ
'86 Fiero GT

#1019112 - 01/25/11 08:07 PM Re: I'm lovin this dynomat stuff [Re: zarktheshark]  
RECON45  Offline

Body Damage is Cool
Joined: Jul 2009
Posts: 1,342
Statesville, NC
I used this on my k5 under the hood. if you sew or seal the edges it does great. The metalic film makes it easy to clean. The cool part was a yr or so ago there was snow on the hood and the engine compartment was warm you could defintely feel a temperture difference. the sound deading is hard to judge, the k5 is plain loud. i used the same stuff when I redone the flooring in my jetta and it seem as good or better than tock. Here is some pics:

[Linked Image]

[Linked Image]

[Linked Image]


91 Montero LS "Sandstorm", Auto, Dual Bouncy Seats, 2" Suspension lift, 2" Body Lift, GENII front IFS, 32" MT tires

89 Raider "Trailbreaker", 3.0, Auto, Dual Bouncy Seats

#1019113 - 01/25/11 08:14 PM Re: I'm lovin this dynomat stuff [Re: RECON45]  
off-roader  Offline

Web Wheeler
Joined: Jan 2000
Posts: 16,224
Bay Area, CA *****
Quote
I used this on my k5 under the hood.


Is that Dynomat material or something else?? <img src="/forums/images/graemlins/wink.gif" alt="" />


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