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Topic ClosedCheap floor jack system

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71-SST View Drop Down
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Direct Link To This Post Posted: Feb/20/2016 at 4:03pm
That's a good point about jacking under the axle or tubes.They were never made to carry any weight. I've never had a failure using an impact on the scissor jacks and if it were to happen then I guess the vehicle would be stuck up until another jack is used to take it down. And yes, I would never lay underneath anything without proper stands or blocking( preferably wood). I should have shown that in the pictures I put up. Also, there are different "grades" of scissor jacks. I would not use any that are used for most cars. I look for the heavier ones from pickups or bigger cars. There's a big size difference. And yes, each side up a little at a time. For most people I would probably not recommend using these. Use some type of floor jacks or hoists if you got them. Much more idiot proof.
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Direct Link To This Post Posted: Feb/20/2016 at 4:40pm
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Direct Link To This Post Posted: Feb/20/2016 at 7:12pm
Originally posted by 8pack 8pack wrote:

Originally posted by 304-dude 304-dude wrote:

Let's see... A couple of jacks plus jack stands is a wee less than a set of harbor frieght ramps. Though I use a few cement blocks and one scissor jack I kept from a 1995 car I once used. The nice thing about cement blocks, is they are cheap and are as good as jack stands if taken care of.


I hope your not talking about cinder blocks? I would never trust them or a scissor jack with my life.


I know what a cinder block is.. I use concrete or foundation blocks. Though I think you may confuse concrete blocks for walls with cinder blocks, by their general appearance. Concrete is heavier and stronger by the lack of cinder filler. Even though some concrete blocks may have sand or crushed rock, they are much stronger than cinder blocks.
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Direct Link To This Post Posted: Feb/20/2016 at 7:26pm
Originally posted by WARBED WARBED wrote:

One more note is, never lift a vehicle by the axle tubes or center carrier (pumpkin). It will cause leaks at the axle tubes or breakage.
That's a new one on me..I've been doing it for over 30 years and have yet to hurt anything. I better remove my leaf springs.

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Direct Link To This Post Posted: Feb/20/2016 at 7:32pm
I know a guy that had two cinder blocks self destruct and he is to this day disabled from it.
My electrician was also using a scissor jack 5-6 years ago and it failed crushing neck bones, chest bones and the like. If he takes his shirt off to this day he looks a mess. The emergency room predicted he would not live but did and was in the hospital for 12 weeks.

I use solid wood blocks either 8" x 8" or larger and plenty of them.
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Direct Link To This Post Posted: Feb/20/2016 at 7:56pm
If a scissor jack fails, more than likely it was used improperly. 
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Direct Link To This Post Posted: Feb/20/2016 at 8:14pm
I have personally seen a Dana 60 diff break the casting were the axle is pressed in due to the customer lifting the rear of the vehicle by the Pumpkin. The vehicle was loaded but not overloaded.  A nine inch and 8 inch may be ok since the housing is integral but axle tubes that are pressed in to the center support/ pumpkin and then plug welded should never be lifted  by the pumpkin. And just because it can be done doesn't mean that it should be done. Also just because it has worked in the past with no noticeable concerns does not make it a good practice.
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Direct Link To This Post Posted: Feb/23/2016 at 1:48am
Originally posted by 71-SST 71-SST wrote:

I have about a dozen of these jacks around (picked from scrap yards). A 3/4'' socket on an impact gun and appropriate blocking. Can get anything in the air fairly quick.



Oh heck no. And are my eyes deceiving me or are the front tires on rollers? Maybe you should watch the movie "Final Destination", that pic could be a scene out of it.

Get some ramps and/or heavy duty jack stands.
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Direct Link To This Post Posted: Feb/23/2016 at 2:01pm
I have all of the above. It's only unsafe if your an idiot.
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Direct Link To This Post Posted: Feb/23/2016 at 3:09pm
Jack Stands are dirt cheap from numerous sources. I have built solid wood platforms to place jack stands upon when I need real height.
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