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10-02-2007, 12:13 AM
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CC Member
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Join Date: Mar 2007
Location: Daly city,
ca
Cobra Make, Engine: classic roadster,408cu
Posts: 212
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Not Ranked
OK has anyone even seen one of the quick jacks?
Iam interested in building one ...need info .
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10-02-2007, 12:44 AM
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CC Member
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Join Date: Jul 2007
Location: Waterford,
PA
Cobra Make, Engine:
Posts: 1,384
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Not Ranked
Awesome picture of the quick jack in use. I don't think I've ever seen another.
__________________
 Bagram AF Afghanistan
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10-02-2007, 12:49 AM
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CC Member
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Join Date: Nov 2003
Location: Fresno,
CA
Cobra Make, Engine: Shelby CSX 4766 (Vegas Built) with 482 Aluminum Pond motor
Posts: 814
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Not Ranked
Shelby strongly recommended against using the quick jacks. Basically the jacks are attached with all thread. I am sure any of the quick jacks used on todays cobra's would have to be strongly reinforced.
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Morgan LeBlanc
Fresno CA
Last edited by RedCSX1; 10-02-2007 at 11:11 AM..
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10-02-2007, 01:02 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
As mentioned by Morgan very few of the cars have the subsructure or actual framework to be able to support the weight of the car from the Quickjacks. They are for the most part "Ornamental", sort of like Earings on a pig.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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10-02-2007, 03:11 AM
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CC Member
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Join Date: Jan 2001
Location: Cape Coral,
FL
Cobra Make, Engine: 2009 Solbra
Posts: 3,861
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Not Ranked
You see them all the time at drag races in the pits and most are home made but this one is only $1,800
http://www.davidlemmond.com/superjax.html
__________________
Dan Wulff
I carry a gun because a cop is too heavy.
(No doubt, most will blame it on the donuts.)
You're just jealous because the voices only talk to me
Earth is the insane asylum for the universe.
The gene pool could use a little chlorine.
The original point and click interface was a Smith & Wesson.
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10-02-2007, 06:07 AM
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CC Member
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Join Date: May 2007
Location: Goshen,
ny
Cobra Make, Engine: Gary Edwards Racing 460
Posts: 444
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Not Ranked
On SPF's they are not functional. Not sure about the other makes.
__________________
Its not the will to win that matters....Everyone has that. Its the will to prepare to win that matters.
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10-02-2007, 06:23 AM
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Canadian Gashole
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Join Date: Mar 1999
Location: Quebec, Canada,
QC
Cobra Make, Engine: Johnex 427 S/C, 351W, 472 HP, 444 lbs. torque
Posts: 2,455
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Not Ranked
I would think that they would probably move enough to crack the fiber glass.   I tried to reinforce mine when I built the car but I have never put them to the test.  
Wayne
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Don't get caught dead, sitting on your seat belt.
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10-02-2007, 07:03 AM
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CC Member
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Join Date: Dec 2006
Cobra Make, Engine: Backdraft cobra, Ford motorsports 302, holly carb
Posts: 7
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I tried using mine on a Backdraft and was afraid the body would crack - they flexed like crazy as soon as the jack started up.
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10-02-2007, 07:59 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
With a keen eye, it can be seen on the FIA cars the area around the lateral quickjack supports that protrude through the body is relieved (cut away) to allow for potential movement under load while lifting. Evidently Shelby & crew were aware that there was flexing of the tubular substructure.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
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10-02-2007, 08:10 AM
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CC Member
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Join Date: Nov 2000
Location: Flower Mound, TX,
tx
Cobra Make, Engine: Lonestar LS 427, Keith Craft 501,Toploader
Posts: 883
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Not Ranked
They do not work on ANY Cobra, they really didn't work on the 60's cars either. The jacks and the bodies would bend under the stress.
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" It ain't no big deal"
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10-02-2007, 08:26 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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Not Ranked
I would agree that the body would crack or the extentions would bend at the weight of the car on the jacks.
Have you tried these?
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10-02-2007, 08:40 AM
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CC Member
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Join Date: Jan 2001
Location: Cape Coral,
FL
Cobra Make, Engine: 2009 Solbra
Posts: 3,861
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Not Ranked
I have never even thought about using a quick jack and my C3 Corvette frame has the complete bumpers attached plus my car weighs in at 1,000lbs more than most Cobras. As I said you can see these quick jacks used in the pits of most drag cars but they are used on very light weight cars. If you where building your Cobra yourself and wanted to use a quick jack and made sure the jacks were secured to the frame by welding or using adequate sized bolts, I’m sure it would be an easy install for your build.
__________________
Dan Wulff
I carry a gun because a cop is too heavy.
(No doubt, most will blame it on the donuts.)
You're just jealous because the voices only talk to me
Earth is the insane asylum for the universe.
The gene pool could use a little chlorine.
The original point and click interface was a Smith & Wesson.
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10-02-2007, 08:49 AM
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Banned
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Join Date: Oct 2003
Location: Yorba Linda,
CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
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Not Ranked
The other detail that most don't notice is that the quick jack orientation on the car is actually BACKWARDS (i.e. the BIG tang is toward the back or the body side of the car). I first noticed this in a Cobra book my wife bought for me last Christmas. Makes since given the fact that you wanted an easy 'guide' of sorts to engage the lever.
Or said another way, all of the current reproduction Cobras have the quickjacks facing the wrong direction. 
-Dean |
10-02-2007, 08:50 AM
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Senior Club Cobra Member
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Join Date: Feb 2006
Location: McKinney,
TX
Cobra Make, Engine: SPF #867 gone....
Posts: 1,272
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Not Ranked
fsstnotch,
That is such a great photo! The dirt surface, hammer laying around, check out the guy on gas and the hose! And the driver out of the car behind the "wall." The guy with a bandana in his back pocket. How cool. The guy working on the tire looks like he's injecting something into a hole in the tire or something. So different than today's pit stops.
__________________
MadMiles442
She said, "The only thing I'll ask of you, you gotta promise not to stop when I say when..."
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10-02-2007, 10:16 AM
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Abnormal CC Member
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Join Date: Jan 2005
Location: Pottstown (East Coventry),
PA
Cobra Make, Engine: Don't think I'll be getting a Cobra for a long time... Do have '94 RX-7 R2.
Posts: 2,330
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Not Ranked
Quote:
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Originally Posted by RedBarchetta
The other detail that most don't notice is that the quick jack orientation on the car is actually BACKWARDS (i.e. the BIG tang is toward the back or the body side of the car). I first noticed this in a Cobra book my wife bought for me last Christmas. Makes since given the fact that you wanted an easy 'guide' of sorts to engage the lever.
Or said another way, all of the current reproduction Cobras have the quickjacks facing the wrong direction.
-Dean |
I think the quickjacks had to be "backwards" on the cars with oil cooler scoops. So just because they are "backwards" does not make them "wrong". |
10-02-2007, 10:24 AM
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Senior Club Cobra Member
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Join Date: Feb 2004
Location: Sacramento,
CA
Cobra Make, Engine: Shelby CSX4795 (Sold)
Posts: 1,542
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Not Ranked
Mine work!
I've used mine several times without issue.
I have a long steel 'digging' bar. It's about 3/4" diamater. I put it on my floor jack and center it between the quick jacks. Lifts the car with 2 pumps.
jdog
__________________
"If you can't run with the BIG DOGS, stay under the porch!"
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10-02-2007, 10:25 AM
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CC Member
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Join Date: Sep 2003
Location: Bronxville, NY,
Posts: 96
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Not Ranked
I'd always heard that the quickjacks were nonfuctional, but I've seen the late Mac Archer's Cobra elevated that way on more than one occasion at Monterey. Didn't seem to do any harm.
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10-02-2007, 10:43 AM
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Abnormal CC Member
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Join Date: Jan 2005
Location: Pottstown (East Coventry),
PA
Cobra Make, Engine: Don't think I'll be getting a Cobra for a long time... Do have '94 RX-7 R2.
Posts: 2,330
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Not Ranked
Quote:
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Originally Posted by jdog
I've used mine several times without issue.
I have a long steel 'digging' bar. It's about 3/4" diamater. I put it on my floor jack and center it between the quick jacks. Lifts the car with 2 pumps.
jdog
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When you get the Kirkhams to rebody your cobra, you might not want to do that anymore. I'm pretty sure the Kirkhams have strongly discouraged using quick jacks on clubcobra or their website. |
10-02-2007, 11:53 AM
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Banned
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Join Date: Oct 2003
Location: Yorba Linda,
CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
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Not Ranked
Quote:
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Originally Posted by 1ntCobra
I think the quickjacks had to be "backwards" on the cars with oil cooler scoops. So just because they are "backwards" does not make them "wrong". |
My point was strictly 'functional'. I just find it ironic that all of the old Cobra pics show the quickjacks oriented exactly the opposite that you see ALL of the manufacturers today build them (even Shelby!). Someone must have decided at one point that the 'big end out' either looked better or, maybe, it was proven after the fact to be more functional! |
10-02-2007, 12:06 PM
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Abnormal CC Member
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Join Date: Jan 2005
Location: Pottstown (East Coventry),
PA
Cobra Make, Engine: Don't think I'll be getting a Cobra for a long time... Do have '94 RX-7 R2.
Posts: 2,330
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Not Ranked
Quote:
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Originally Posted by RedBarchetta
My point was strictly 'functional'. I just find it ironic that all of the old Cobra pics show the quickjacks oriented exactly the opposite that you see ALL of the manufacturers today build them (even Shelby!). Someone must have decided at one point that the 'big end out' either looked better or, maybe, it was proven after the fact to be more functional! |
Or facing them backwards from the early 289 car orientation proved functional in that you did not crush your oil cooler scoop when you jacked up the car? |
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