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10-21-2015, 05:33 PM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine:
Posts: 2,752
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Not Ranked
Dyno goes horribly wrong: Mustang explodes tire on dyno
Amazing in the slow motion watching the tire delaminate. Im not sure the new tires on the stangs are rated to 150mph???
[ame]https://www.youtube.com/watch?v=lvVf8UZJCrU[/ame]
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10-21-2015, 08:54 PM
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CC Member
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Join Date: Apr 2004
Location: Scotts Valley,
CA
Cobra Make, Engine: ERA 289 FIA #2108
Posts: 1,882
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Not Ranked
Wow! There was a lot of damage to the Mustang. It looked like the fuel filler line was impacted, but wasn't severed. That could have been much worse if the fuel tank ignited.
Amazingly, it was at the moment of negative acceleration when it blew. I imagine it was the shift in torque that ripped it apart.
Wow!
DD
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Dangerous Doug
"You're kidding, right?"
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10-21-2015, 09:24 PM
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CC Member
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Join Date: Jun 2001
Location: munno para west,
sa
Cobra Make, Engine: absolute pace chassis #50 L98 & 6 speed auto
Posts: 1,141
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i saw many yrs ago at a burnout comp a bloke with a xb falcon with a blower on it , i have no idea why he entered as the car was airbrushed from bumper to bumper with murals this car was a trailer queen for car shows .
same thing happened a tyre let go and ripped off the rear 1/4 panel and the boot lid back window and creased the roof . he got out of the car and started demanding who was going to pay for the damage to his car even after been shown the waiver he signed on entry didnt calm him down he was in a total rage to the point the coppers had to remove him from the premisses . i last heard he was seeing a lawyer but i know nothing ever come of it ,,was one of a hell of burnout that boot lid must have gone 50 ft in the air was lucky no one got hit by the debris ..
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a cobra is a passion anything else is just a car
i dont care what the question is .. The answer is more power!!!
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10-21-2015, 11:44 PM
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CC Member
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Join Date: Sep 2001
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Posts: 679
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Dyno"s are tire shredders.. Very common.
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Dan
427 CSX 3000/4000 and Shelbys.
All gone ! Was a Hell of a run 
Now ... The dogs car
Mercedes E63S station wagon. 603hp
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10-22-2015, 04:24 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,599
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Chassis dyno rollers are hard on tires and they aren't supposed to be ran on them that long. They are supposed to run them up to maximum RPM to get the rear wheel horsepower and then back off, all of which only takes a very short time.
Ron
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10-22-2015, 06:41 AM
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CC Member
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Join Date: Sep 2001
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Quote:
Originally Posted by Ron61
They are supposed to run them up to maximum RPM to get the rear wheel horsepower and then back off, all of which only takes a very short time.
Ron
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I think he was in it for a LONG time... Watching an listening to it I figured something had to give.  M/T does not warranty tires from dyno's.
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Dan
427 CSX 3000/4000 and Shelbys.
All gone ! Was a Hell of a run
Now ... The dogs car
Mercedes E63S station wagon. 603hp
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10-22-2015, 06:55 AM
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CC Member
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Join Date: Nov 1999
Location: Brisbane, Australia,
Q
Cobra Make, Engine: Contemporary CCX3117 427FE
Posts: 4,381
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Staying on it for that long was insane. It was just a matter of whether the tyre or the dyno lunched itself first...
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Craig
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10-22-2015, 12:53 PM
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CC Member
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Join Date: Feb 2006
Location: Gilroy,
CA
Cobra Make, Engine: SPF 2291, Whipple Blown & Injected 4V ModMotor
Posts: 2,735
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The torque had already gone double dynamic just prior to the blow out. Once it started counter rotating the hand writing was on the linoleum. The double acting, sliding Johnson valve was the straw that broke the camel's back and this guy's rear quarter. It is a good thing there were no inter-dimensional goings on with trans-dimensional beings at the same time!
As W.C. Fields once said, "A fool is easily separated from his money." It would appear a fool's tire may also be easily separated from it's rim ...
Ed
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Help them do what they would have done if they had known what they could do.
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10-22-2015, 02:48 PM
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CC Member
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Join Date: Sep 2004
Location: Canberra,
ACT
Cobra Make, Engine: G-Force Cobra '68 302, T-5, Jag 3.77 LSD.
Posts: 993
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Quote:
Originally Posted by eschaider
It is a good thing there were no inter-dimensional goings on with trans-dimensional beings at the same time!
Ed
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Your so right there Ed. I have misplaced Ghost Busters number so I wouldn't have known who to call.
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SLIPRY
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10-22-2015, 04:55 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,527
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As an owner of a 2012 Mustang GT - that was painful to watch. |
10-22-2015, 07:23 PM
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Senior Club Cobra Member
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Join Date: May 2001
Cobra Make, Engine: A CSX Cobra,1966 GT350 and an '06 Ford Heritage GT
Posts: 1,829
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Forget the tire--what genius put the dyno controller that close to the rear of the dyno, and didn't prohibit the crowd access to all sides of the car while being run up??? Lucky nobody was killed by shrapnel.
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"I think we have more machinery of government than is necessary, too many parasites living on the labor of the industrious." Thomas Jefferson
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10-25-2015, 02:22 AM
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CC Member
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Join Date: Jun 2006
Location: Newcastle, Warners Bay,
NSW
Cobra Make, Engine: RMC . 393 Dart alloy block Stroked 351 alloy heads ..all the goodies plus a pre oiler. al
Posts: 1,495
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Not too familiar with dyno set ups but there seemed to be a lot of weight in those tyres . Look at the bulge in the sidewall. thats a lot of stress in the spinning rubber.
I always thought the wheel was supposed to be sitting higher on the roller.
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10-25-2015, 06:22 PM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Looks like the shift in forces on deceleration started a different oscillation, the rear of the tire was ripped away from the bead.
What a lousy Dyno operator. Way to long in getting up to speed in 4th and much too long getting to redline. This tire was getting Hot as a result.
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Lou
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10-26-2015, 07:56 AM
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Member of the north
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Join Date: May 2003
Cobra Make, Engine: A Cobra
Posts: 11,207
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Quote:
Originally Posted by 427sharpe
Forget the tire--what genius put the dyno controller that close to the rear of the dyno, and didn't prohibit the crowd access to all sides of the car while being run up??? Lucky nobody was killed by shrapnel.
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I agree - it was not setup very well. Lucky no one was injured or killed.
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