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71-SST
AMC Nut
Joined: Dec/20/2009
Location: Thunder Bay On.
Status: Offline
Points: 378
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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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dltowers
Supporter of TheAMCForum
Joined: Dec/12/2012
Location: Friendswood, TX
Status: Offline
Points: 5822
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Posted: Feb/20/2016 at 4:40pm |
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Original Owner, 1974 Javelin: 360ci,2v,727TC. Motorola Multiplex with 8-Track. G4 Plum exterior with 421Q Black Uganda Interior. Purchased on July 16, 1974 from Hooker AMC, Sherman, TX for $4500.20
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304-dude
AMC Addicted
Joined: Sep/29/2008
Location: Central Illinoi
Status: Offline
Points: 9081
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Posted: Feb/20/2016 at 7:12pm |
8pack wrote:
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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71 Javelin SST body 390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker
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Hurst390
AMC Addicted
Joined: Apr/20/2008
Location: secret
Status: Offline
Points: 5752
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Posted: Feb/20/2016 at 7:26pm |
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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SC/Hurst Rambler
11.62 120
100% Street Legal
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IdahoSpud
AMC Nut
Joined: Feb/27/2015
Location: Victor Montana
Status: Offline
Points: 447
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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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1966 Rambler Rogue 1980 Avanti 383 Stroker 1957 Chev BelAir 2 dr HT 327 Selling 1986 Jeep Comanche 4x4
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71-SST
AMC Nut
Joined: Dec/20/2009
Location: Thunder Bay On.
Status: Offline
Points: 378
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Posted: Feb/20/2016 at 7:56pm |
If a scissor jack fails, more than likely it was used improperly.
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WARBED
Supporter of TheAMCForum
Joined: Feb/12/2011
Location: Edinburg TX
Status: Offline
Points: 1677
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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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59 American 2dr S/W. 70 390 AMX. 70 232 javelin. Kelvinator fridge ice cold beer storage.
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348AMX
AMC Addicted
Joined: Jul/03/2007
Location: Massachusetts
Status: Offline
Points: 4165
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Posted: Feb/23/2016 at 1:48am |
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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71-SST
AMC Nut
Joined: Dec/20/2009
Location: Thunder Bay On.
Status: Offline
Points: 378
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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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RamblinMan
AMC Addicted
Joined: Sep/26/2007
Location: Port Charlotte
Status: Offline
Points: 1237
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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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The Right Reverend of Blessed Acceleration
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