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09-20-2008, 08:02 PM
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CC Member
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Join Date: Feb 2004
Location: Milford,
CT
Cobra Make, Engine: BRG ERA street car w/428 PI, Sunburst wheels, undercar exhaust, original interior, no philips head screws!
Posts: 650
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Not Ranked
Anyone insulate their tub before installing their carpet
On a tip from Zoera (thank you) I am now considering installing some insulation on the floor boards and the foot boxes. I found this stuff called Hushmat which seems to be great. Expensive but great.
Has anyone done this before and if so, I assume gluing over this is a non-issue?
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09-20-2008, 08:14 PM
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CC Member
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Join Date: Jun 2003
Location: Hunterdon County,,
NJ
Cobra Make, Engine: ERA 427 SC with 428 PI
Posts: 390
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Not Ranked
Talk to Doug or Peter at ERA I had thenm do mine.
__________________
"Is it original ?" -- " Yes! But some parts are new."
It's just easier this way.
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09-20-2008, 08:18 PM
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CC Member
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Join Date: Feb 2004
Location: Milford,
CT
Cobra Make, Engine: BRG ERA street car w/428 PI, Sunburst wheels, undercar exhaust, original interior, no philips head screws!
Posts: 650
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Not Ranked
They insulated the entire cockpit?
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09-20-2008, 09:31 PM
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Senior Club Cobra Member
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Join Date: Jan 2004
Location: St. Louis,
Mo.
Cobra Make, Engine: 427 S.O. Dual Quad / Cobra undecided
Posts: 1,380
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Not Ranked
Quote:
Originally Posted by 428street
On a tip from Zoera (thank you) I am now considering installing some insulation on the floor boards and the foot boxes. I found this stuff called Hushmat which seems to be great. Expensive but great.
Has anyone done this before and if so, I assume gluing over this is a non-issue?
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Give Fat Mat a look, it is said to be conquerable to Hushmat as far a sound deadening, less expensive and have better heat insulating properties.
My info is not first hand but from those that have used both. |
09-20-2008, 10:04 PM
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CC Member
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Join Date: Nov 2007
Cobra Make, Engine:
Posts: 327
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Not Ranked
in a nut schell, use dyno mat extrem every where, then another layer of your fav, insulation, in some areas may be tight like the tunel sides, but other wise insulat as much as possible.
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09-20-2008, 10:17 PM
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CC Member
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Join Date: Nov 2007
Cobra Make, Engine:
Posts: 327
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Not Ranked
and another note any well built kit should have some form of spray on protectant, on the underside as well, .but like most kits they dont, both sides should be very well protected with a form of insulation.some of the most expensive kits out there, I wont mention any names do not do this.
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09-21-2008, 08:37 AM
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CC Member
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Join Date: Nov 1999
Cobra Make, Engine: ERA 739
Posts: 604
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Not Ranked
FWIW...I insulated my footboxes only with dynamat. Take your time.
Kramer
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09-21-2008, 01:59 PM
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CC Member
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Join Date: May 2004
Cobra Make, Engine: ERA-722, Pure Street in BRG
Posts: 192
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Not Ranked
Frank, For your car this is a must do. If you don't you will cook with the under car exhaust. If you want I can send you some pictures of my car since it's all apart at the moment.
Frank
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09-21-2008, 04:53 PM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Meriden,
CT
Cobra Make, Engine: ERA 427 SC s/n 718, 428 FE
Posts: 1,731
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Not Ranked
Frank. Do it. Whatever you use, it won't cost as much as a car that's too hot around the tunnel and floorboards, not to mention one that rattles. I lined the underside of the tunnel and the floorboards and it drives like a well built production car with NO rattles or shakes. It helps that ERA builds a quality Cobra to start with. Good luck.
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09-21-2008, 06:56 PM
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CC Member
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Join Date: Feb 2004
Location: Milford,
CT
Cobra Make, Engine: BRG ERA street car w/428 PI, Sunburst wheels, undercar exhaust, original interior, no philips head screws!
Posts: 650
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Not Ranked
Frank - Pics would be great and appreciated...
Zo - the insulation goes under the tunnel correct? The rest goes between the tub and the carpet. I assume the insulation gets stuck to or glued onto the tub parts and the carpet gets glued on top of the insulation?
I checked out fat mat and hush mat - FM is much less expensive then HM...I'm generally a believer in you get what you pay for but the cost is 2/3 more for the HM...think its worth it?
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09-21-2008, 07:07 PM
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CC Member
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Join Date: Feb 2004
Cobra Make, Engine: FFR 390 toploader IRS
Posts: 258
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Not Ranked
you may want to look into this stuff. http://www.secondskinaudio.com/
Damplifier every where then heat wave for foot boxes and tunnel
Beware some stuff like FatMat are asphalt based. Damplifier is Butyl based. much higher melting temp.
Like you said, you get what you pay for..
__________________
FFR MarkIII,FE,toploader,IRS,3.27,Vintage pin's SOLD!
68 F100 Custom Cab 418 cube FE/auto
99 SuperDuty Tuner/chipped/4" Banks TOTALED!!
02 Super Duty 7.3L
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09-21-2008, 07:23 PM
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CC Member/Contributor
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Join Date: Feb 2000
Location: Greenville,
SC
Cobra Make, Engine: 70 Shelby convertible, ERA-289 FIA, 65 Sunbeam Tiger, mystery Ford powered 2dr convertible
Posts: 12,685
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Not Ranked
I use the reflect a cool line from DEI engineering on most of the FFR's I've had over the years....Stuff is easy to work with and works great without too much extra padding
http://www.designengineering.com/pro...sp?m=sp&pid=28
Bill S.
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First time Cobra buyers-READ THIS
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09-21-2008, 07:45 PM
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CC Member
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Join Date: May 2004
Cobra Make, Engine: ERA-722, Pure Street in BRG
Posts: 192
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Not Ranked
Hey Frank,
I just went out and took the pics while the car is on the lift. I've used cool mat that has an adhesive backing that works well. I sent the pics to your e-mail address vice posting them here which would take longer.
Hope this helps.
Frank
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09-21-2008, 07:50 PM
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CC Member
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Join Date: Feb 2007
Location: Austin,
TX
Cobra Make, Engine: Lonestar Classics, 302 stroked to 347; Metallic British Racing Green
Posts: 595
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Not Ranked
428...I got WAY carried away...Sprayed the whole underside of the body shell with Lizardskin, and then inside the engine compartment and the cockpit as well. Lined the whole of the cockpit with dynomat, AND under every section of the chassis as well with dynomat. The I rivetted aluminum sheeting all along the underneath of the chassis to make it a 'flat bottom', and to shield in the dynomat. Dynomat all inside the trunk as well, underneath the carpet.
WOW..I guess I did get a little carried away...LOL...good job the exhaust is DEAFENING though!
Glyn
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Last edited by GlynMeek; 09-21-2008 at 08:04 PM..
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09-21-2008, 07:58 PM
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CC Member
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Join Date: May 2004
Cobra Make, Engine: ERA-722, Pure Street in BRG
Posts: 192
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Not Ranked
Frank, one more thing... make sure that folks know you have under car exhaust before you take some recommendations. Otherwise you're looking at a bunch a melting goo and or fire.
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09-22-2008, 05:01 PM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Meriden,
CT
Cobra Make, Engine: ERA 427 SC s/n 718, 428 FE
Posts: 1,731
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Not Ranked
Frank, your tunnel is different than mine. On the later (yours) ERA's, you might want to insulate the outside of the tunnel (between the carpet and the tunnel). Make a trip down to the shop and talk to Doug...he'll give you the lowdown on where to insulate and where not to insulate.
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