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Old Jan 14, 2025 | 05:06 PM
  #21  
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Originally Posted by vortech347
I give up. There have been reports online of a few failing. Go search for yourself. Either way, I'm not trusting some little lock with up to 5k lbs on top of me.
It's more than a little lock. It's a steel bar that if in place correctly there is no way it's going to let the car fall.

Last edited by Red24Vette; Jan 14, 2025 at 09:14 PM.
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Old Jan 14, 2025 | 06:04 PM
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Take a look at this video and go to the 9:38 sec mark. This is what I do with the jack stands, I put one jack stand under the QJ on each end just in case, makes sense to me.

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Old Jan 14, 2025 | 06:59 PM
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Originally Posted by Sixgun95
Take a look at this video and go to the 9:38 sec mark. This is what I do with the jack stands, I put one jack stand under the QJ on each end just in case, makes sense to me.

https://youtu.be/JqkEnIucPEA?si=BCJm7mmqAumn9XdJ
Yeah, I've tried putting them on either side under the flat part but there's several inches above the stand when the QJ is locked at the top position. Just wondering if there's a better way.
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Old Jan 15, 2025 | 08:47 AM
  #24  
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Originally Posted by vortech347
I just put my jackstands at the support points on the car on my C7. There is absolutely no way I would trust the locking points on the QJ itself. There have been people killed by them failing.
Please provide some evidence for this statement.
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Old Jan 15, 2025 | 08:50 AM
  #25  
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Originally Posted by EvanD
So you just embellished a little and then when called out it's us that are being asses? Yeah, have a nice day.
A little? From people are being killed using the QJ to QJ says as a precaution to use a 2nd supporting mechanism?
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Old Jan 15, 2025 | 12:28 PM
  #26  
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Originally Posted by V Vette
My understanding of the QJ is that you have to orientate a proper direction first and there is only one leg supporting truss that is held by a small angle weld to hold it. I would use the VEVOR system any day over the QJ for SAFETY as that is my priority.The QJ even looks shaky!
Actually I feel the opposite after having them side by side - but you can always position a 4" X 6" timber cut end to end such that the end barely reaches the bottom of the platform after lowering the jacks into the locks.
There is enough room to 'tilt' them in place during the lift before retracting into the locks.
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Old Jan 15, 2025 | 02:30 PM
  #27  
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Originally Posted by rkrupka
Actually I feel the opposite after having them side by side - but you can always position a 4" X 6" timber cut end to end such that the end barely reaches the bottom of the platform after lowering the jacks into the locks.
There is enough room to 'tilt' them in place during the lift before retracting into the locks.
As a structural engineer and having used both there is no comparison for safety . The vevor is simply a better structural design IF your concerned which one if any would "fail" first.. Although the Vevor does not rise as high, there is no worry which way you place them where as the QJ must be used one direction per MFR. What you recommend using some mickey gumbo set up tells me all. Thanks

Last edited by V Vette; Jan 15, 2025 at 02:35 PM.
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Old Jan 15, 2025 | 02:35 PM
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Originally Posted by V Vette
As a structural engineer and have used both there is no comparison for safety. The vevor is simple a safer structural design IF your concerned which one will "fail" first..
Flat plates of metal with small radii pivoit points vs tubular steel and large radius load points is pretty clear for stability.
I also found no easy method to support from directly under the platforms for the Vevor.
Buy hey - do what works best for you.
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Old Jan 15, 2025 | 07:38 PM
  #29  
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Originally Posted by rkrupka
Flat plates of metal with small radii pivoit points vs tubular steel and large radius load points is pretty clear for stability.
I also found no easy method to support from directly under the platforms for the Vevor.
Buy hey - do what works best for you.
Each lift will do the job for most cars, obviously. The point is (flat plate with dual locking points is superior to tubular singular support all day long) Under a compressive load test machine, the QJ will fail first by torsion, then collapse. . Again, as per mfr you must position the QJ directional ,this alone kept me away from QJ. Also no need for additional support on VEVOR as dual locking vs a tube single lock arm. Anyway, Millions of QJ have been sold so good luck!
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Old Jan 15, 2025 | 08:11 PM
  #30  
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I haven't had my quickjacks very long, but my plan as to buy some raceramps wheel cribs (https://www.raceramps.com/c/cribs/) to lower the car onto.. or just go the budget route and build something similar out of wood... people have been doing that for decades. This should work well but kind of a pain to store.

I tend to err on the side of extreme caution when it comes to crawling around under a car haha. I don't trust any one thing to save my ***
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Old Jan 15, 2025 | 08:51 PM
  #31  
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Originally Posted by smithers
I haven't had my quickjacks very long, but my plan as to buy some raceramps wheel cribs (https://www.raceramps.com/c/cribs/) to lower the car onto.. or just go the budget route and build something similar out of wood... people have been doing that for decades. This should work well but kind of a pain to store.

I tend to err on the side of extreme caution when it comes to crawling around under a car haha. I don't trust any one thing to save my ***
Totally understandable smithers, better safe than sorry..you never know.!
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Old Jan 16, 2025 | 08:08 AM
  #32  
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Originally Posted by V Vette
Each lift will do the job for most cars, obviously. The point is (flat plate with dual locking points is superior to tubular singular support all day long) Under a compressive load test machine, the QJ will fail first by torsion, then collapse. . Again, as per mfr you must position the QJ directional ,this alone kept me away from QJ. Also no need for additional support on VEVOR as dual locking vs a tube single lock arm. Anyway, Millions of QJ have been sold so good luck!
You may have a huge opportunity with a 'flat plate & small bolts" roll cage business. Additional opportunities with the same flat plate and bolt system with vehicle frames and a whole host of other larger industrial buidlings.
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Old Jan 16, 2025 | 08:10 AM
  #33  
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Originally Posted by smithers
I haven't had my quickjacks very long, but my plan as to buy some raceramps wheel cribs (https://www.raceramps.com/c/cribs/) to lower the car onto.. or just go the budget route and build something similar out of wood... people have been doing that for decades. This should work well but kind of a pain to store.

I tend to err on the side of extreme caution when it comes to crawling around under a car haha. I don't trust any one thing to save my ***
For the occasions where yiou need to have the wheels 'off' you can always position a 4" X 6" timber cut end to end such that the end barely reaches the bottom of the platform after lowering the jacks into the locks.
There is enough room to 'tilt' them in place during the lift before retracting into the locks.
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Old Jan 16, 2025 | 08:15 AM
  #34  
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Originally Posted by smithers
I haven't had my quickjacks very long, but my plan as to buy some raceramps wheel cribs (https://www.raceramps.com/c/cribs/) to lower the car onto.. or just go the budget route and build something similar out of wood... people have been doing that for decades. This should work well but kind of a pain to store.

I tend to err on the side of extreme caution when it comes to crawling around under a car haha. I don't trust any one thing to save my ***
Those are interesting. I just wouldn't know where to store them. I think if i ever had to work under a car for an extended period of time I'd figure something out.
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Old Jan 16, 2025 | 08:30 AM
  #35  
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Originally Posted by rkrupka
You may have a huge opportunity with a 'flat plate & small bolts" roll cage business. Additional opportunities with the same flat plate and bolt system with vehicle frames and a whole host of other larger industrial buidlings.
No idea what your talking about and makes no sense.. Enjoy your QJ and be safe.

Last edited by V Vette; Jan 16, 2025 at 08:38 AM.
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Old Jan 16, 2025 | 10:33 AM
  #36  
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Originally Posted by vortech347
I just put my jackstands at the support points on the car on my C7. There is absolutely no way I would trust the locking points on the QJ itself. There have been people killed by them failing.
Data? Facts? The mechanical latches are plenty strong when engaged. The warning in the manual to use another support sounds like lawyer speak as much as anything else. And you still haven't produced your "I saw a video when I got mine."

For the OP, get rubber pads for the top of your jackstands and put them under the suspension A-Arms, as close to the wheels as you can get them. The suspension supports the entire weight of the car, they'll be fine there.

Last edited by Red Mist Rulz; Jan 16, 2025 at 10:40 AM.
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Old Jan 16, 2025 | 02:22 PM
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Thank you sixgun95 for the informative video, my hockey puck jack rubbers are on order. Once again the wisdom on this site is much appreciated and amazing. I could do without the negative bantering….
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