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Re: Does Dynamat make a big difference?
[Re: cudaboone]
#979846
04/26/11 11:21 AM
04/26/11 11:21 AM
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Joined: Sep 2003
Posts: 1,465
Carson City, NV
babarracuda
pro stock
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pro stock
Joined: Sep 2003
Posts: 1,465
Carson City, NV
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I think it is worth the effort. I used FatMat only because it is quite a bit cheaper. Either way, you love the results.
Last edited by babarracuda; 04/26/11 11:26 AM.
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Re: Does Dynamat make a big difference?
[Re: OzHemi]
#979848
04/26/11 01:05 PM
04/26/11 01:05 PM
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Joined: Mar 2007
Posts: 3,277
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,277
West Coast, USA
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When done right, the difference is nothing short of amazing! You can get bulk packs of Dynamat Extreme for half the list price with free shipping from Amazon dot com. You actually don't have to cover the entire surface of the metal for it to be effective either. I learned this from sites regarding installing it on aircraft, where keeping weight down is at a premium. Tap on the surface before, and some strips of Dynamat and tap on it again. If it is still resonating add more strips a few inces away. Once the resonation is cut down, layer some "insulator" material over the entire area and replace the panel, carpet, etc. Be sure to seal the seams with aluminized tape. It will take car of the remaining sound, noise, heat and fumes. The perfomance and cost effectiveness of this "insulator" material is incredible and there is currently nothing like it available in the auto industy. It's an aircraft product....great stuff! Check it out. I use the thinner double foiled stuff on everything but the floor, which gets the thicker double sided foil. Cut to fit like a dressmaker pattern and tape up the seams. It's easy to remove later on too. http://www.aircraftspruce.com/catalog/appages/insulator.phpI used Dynamat on the underside of the roof and added the "insulator" material, which I glued on top of it. The headliner still fit perfectly. The difference in sound between tapping on the roof with and without this treatment is huge. Be thoughful about where you put the stuff when it comes to critical attaching points for trim etc.
Last edited by jbc426; 04/26/11 02:56 PM.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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Re: Does Dynamat make a big difference?
[Re: OzHemi]
#979849
04/26/11 01:08 PM
04/26/11 01:08 PM
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Joined: Jan 2010
Posts: 456
Santa Barbara, CA
HitIt
mopar
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mopar
Joined: Jan 2010
Posts: 456
Santa Barbara, CA
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I used FatMat as well. Seems to help although I never had my car on the road without it to compare.
Everything sounds solid when they close and no complaints so far.
very clever dinner. appetizing food fit neatly into interesting round pie.
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Re: Does Dynamat make a big difference?
[Re: HitIt]
#979850
04/26/11 01:31 PM
04/26/11 01:31 PM
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Joined: Feb 2008
Posts: 2,648
GA
Boosted
master
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master
Joined: Feb 2008
Posts: 2,648
GA
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I went to Lowes and bought 3 rolls of the wall insulation. A few cans of carpet glue and it is done...
2011 RAM3500
1967 Fastback Barracuda with some go fast goodies.
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Re: Does Dynamat make a big difference?
[Re: HitIt]
#979851
04/26/11 01:39 PM
04/26/11 01:39 PM
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Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
blown340
master
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master
Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
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It makes a huge difference! I used fat mat as well.
70 challenger convertible. 340/5 speed. blown, intercooled, efi, blah blah blah
71 valiant scamp 318/A833OD/AC/PS
00 dakota RC 4.7L 5 spd autoX'r. SRT10/T56 swap in process
73 W200 Power wagon, PTO winch, 4 spd
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Re: Does Dynamat make a big difference?
[Re: hemibeep]
#979853
04/26/11 09:51 PM
04/26/11 09:51 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
my setup was similar, summit racing has their own brand at a decent price.
By FAR the biggest difference for me was good factory hood pad. even after the rest of interior was complete.
Big difference for sure, underhood insulation. Made a huge difference. 
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Re: Does Dynamat make a big difference?
[Re: Challenger 1]
#979854
04/26/11 10:15 PM
04/26/11 10:15 PM
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Joined: Nov 2006
Posts: 1,562
Manistee, Michigan.
High Impact
pro stock
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pro stock
Joined: Nov 2006
Posts: 1,562
Manistee, Michigan.
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Well, you guys might laugh but I've been re-searching this stuff lately and I found on a "Rat Rod" web site that alot of people were complaining about the price of the Dynamat and Fat Mat and the others. One guy said he went to Lowe's and bought what they call "PEAL AND SEAL". Its used for house roof's and has the foil back on it just like the others. A roll is 4in's X 25ft and is $16.00! Its Super sticky and is about .035 thick. Im going to try it and see if it works. Plus, they had a roll of foil "bubble wrap" stuff too. Its used in Air Cond. & heat runs to help insulate. Im going to use that under the carpet too. Figured this was all worth a try. I had something like $50.00 into two rolls of peal and seal and the bubble wrap stuff.  I;ll let you guys know and take some pic's when I get a chance to install it.
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Re: Does Dynamat make a big difference?
[Re: High Impact]
#979855
04/26/11 10:24 PM
04/26/11 10:24 PM
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Joined: Jun 2008
Posts: 1,822
Colorado
denfireguy
top fuel
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top fuel
Joined: Jun 2008
Posts: 1,822
Colorado
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Quote:
Well, you guys might laugh but I've been re-searching this stuff lately and I found on a "Rat Rod" web site that alot of people were complaining about the price of the Dynamat and Fat Mat and the others. One guy said he went to Lowe's and bought what they call "PEAL AND SEAL". Its used for house roof's and has the foil back on it just like the others. A roll is 4in's X 25ft and is $16.00! Its Super sticky and is about .035 thick. Im going to try it and see if it works.
Plus, they had a roll of foil "bubble wrap" stuff too. Its used in Air Cond. & heat runs to help insulate. Im going to use that under the carpet too.
Figured this was all worth a try. I had something like $50.00 into two rolls of peal and seal and the bubble wrap stuff.
I;ll let you guys know and take some pic's when I get a chance to install it.
A lot of the guys in my area have used the Lowes foil faced bubble insulation including me. Sealed the gaps with foil tape made for household heating duct. Total cost was $26. I am not going to use it on the hood though.
Craig
2014 Ram 1500 Laramie, 73 Cuda
Previous mopars: 62 Valiant, 65 Fury III, 68 Fury III, 72 Satellite, 74 Satellite, 89 Acclaim, 98 Caravan, 2003 Durango
Only previous Non-Mopar: Schwinn Tornado
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Thanks for the kind words.
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