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08-24-2011, 07:52 AM
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CC Member
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Join Date: May 2008
Cobra Make, Engine:
Posts: 57
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Not Ranked
Ear popping?
OK, so I have a silly question...
EVERY time I drive by BDR over about 20mph and below 60mph my ears clog up like I'm taking off on an airplane. It's like the shape of the windshield and plexiglass side flairs create a vacuum in the cockpit at those speeds.
My ears have always been sensitive to pressure changes. But I was NOT expecting this while driving the Cobra. I have driven tons of other convertibles and roadsters and never experienced this before.
I was curious if anyone else has experienced this, and if there is a "fix"
It's certainly not a major issue, but it is a bit annoying....
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08-24-2011, 07:55 AM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
try a set of ear plugs
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08-24-2011, 07:59 AM
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CC Member
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Join Date: May 2008
Cobra Make, Engine:
Posts: 57
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I would prefer not to wear earplugs.... I thought of that.
Is this common?
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08-24-2011, 08:35 AM
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CC Member
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Join Date: Feb 2011
Location: Milwaukee,
Wi
Cobra Make, Engine: 1968 GT350, FFR Daytona Coupe
Posts: 114
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Not Ranked
Drive with your mouth open to equalize pressures. LOL
The Nut
__________________
Enough is enough. Too much is just right ( C.S )
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08-24-2011, 08:56 AM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,979
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Not Ranked
Get a cloth seat cover so you won't be pulling a vacuum everytime you step on the gas. 
__________________
Remember, It's never too early to start beefing up your obituary.
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08-24-2011, 09:03 AM
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CC Member
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Join Date: Aug 2009
Location: Atlanta,
GA
Cobra Make, Engine: 86 Everett Morrison 90" WB. 428 FE
Posts: 1,151
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Not Ranked
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08-24-2011, 10:53 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
Earplugs are a good idea anyways.
But I'm leaning more towards Ralphy's idea.
Funny how you never experienced this with other open cars...
The turbulence in a Cobra's cockpit should create a vacuum.
Were the open cars you've been in modern? They design them so good now.
__________________
rodneym
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08-24-2011, 11:17 AM
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CC Member
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Join Date: May 2008
Cobra Make, Engine:
Posts: 57
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Modern and old.
I have a 1965 3000 mark III Austin Healey that it doesn't happen in... And I used to drive a Mustang Convertible (1989) all the time without ear popping...
Weird...
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08-24-2011, 11:19 AM
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6th Generation Texan
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Join Date: Feb 2002
Location: Devil's Backbone,RR 32,
TX
Cobra Make, Engine: Lone Star Classics #240,Candy Apple Red,Keith Craft 418w - 602 HP,584 TQ
Posts: 8,157
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Not Ranked
Chew tobacco or maybe gum.
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08-24-2011, 02:54 PM
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CC Member
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Join Date: May 2008
Cobra Make, Engine:
Posts: 57
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Tried gum. I'll pass on the tobacco.
I guess I'll try earplugs and see if it helps. I have a set of in ear headphones. I'll try that first...
I guess I'm the only one this happens to...
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08-24-2011, 03:40 PM
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CC Member
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Join Date: Jan 2009
Location: Lakeway,
tx
Cobra Make, Engine: Lonestar Classics
Posts: 64
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Not Ranked
Do you have wind wings and visors? Might help if not.
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2009 Lonestar Classics - 351 W
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08-24-2011, 04:01 PM
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CC Member
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Join Date: May 2008
Cobra Make, Engine:
Posts: 57
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Have both. I'll try without them. I just like the way they look...
But I'll try. Thanks
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08-24-2011, 04:32 PM
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Senior Club Cobra Member
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Join Date: May 2006
Location: Manteca,
Ca.
Cobra Make, Engine: None, sold it
Posts: 2,439
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Happens to me all of the time. Even in my DD (four door sedan). The wind buffering around your ears I guess. Of course I have hearing problems anyway.
__________________
Terry
"I may be paranoid, but that doesn't mean they are not watching me"
Last edited by tcrist; 08-24-2011 at 04:34 PM..
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08-25-2011, 12:19 AM
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Senior Club Cobra Member
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Join Date: Dec 2007
Cobra Make, Engine: ERA FIA 'Street' Build
Posts: 2,128
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Not Ranked
Quote:
Originally Posted by randlej
Do you have wind wings and visors? Might help if not.
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Quote:
Originally Posted by Mattnshilp
Have both. I'll try without them. I just like the way they look...
But I'll try. Thanks
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Experiment with the wind wings and visors set to various angles ... maybe even try setting them in an asymmetrical configuration, so as to disrupt the airflow ... could be worth a try. |
08-25-2011, 12:21 AM
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CC Member
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Join Date: Jul 2003
Cobra Make, Engine: Unique Motorcars 289 USRRC, 1964 289 stroked to 331, toploader
Posts: 1,095
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Not Ranked
Try adjusting the wings and visors to change the wind dynamics at speed... you may find a comination that helps.
__________________
Paul
Unique Motorcars 289 USRRC
1964 289 5-bolt block
Toploader and 3.31 rear
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08-25-2011, 06:26 AM
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CC Member
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Join Date: Nov 2009
Location: Cheltenham,
Vic
Cobra Make, Engine: Classic Revival CR3516, LS3, Aussie Mike'd T-56, 3.70 LSD, AP brakes, Penske shocks
Posts: 1,616
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Not Ranked
I'm struggling to see the problem here, just don't go under 60mph 
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Ben in AU
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08-26-2011, 02:03 PM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,451
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Not Ranked
Caused by eustacion tube dysfunction - a pretty common problem around here. Ask your doctor for a prescription for Nasonex nose spray, and use it every day. That usually resolves it.
__________________
.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
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