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proper jacking points

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Old Sep 23, 2012 | 01:01 PM
  #1  
mans1's Avatar
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From: uk
Car: pontiac firebird trans am 1984
Engine: 5.0 v8 H.O
Transmission: auto
Axle/Gears: 700R4 auto overdrive
proper jacking points

hi what are the proper jacking point for a lift at garage. pics would help as my car will be going in for welding soon enclueing the left floor pan and inner sill i need to know so i can tell him were to put the lift so it does not damage the car eg go throw the car thanks
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Old Sep 23, 2012 | 01:56 PM
  #2  
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From: North central Alabama
Car: 1985 Trans Am
Engine: Stock 305 converted to carb
Re: proper jacking points

https://www.thirdgen.org/forums/tech...ng-points.html

That link will get you what you need.

just don't let them do this...

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Last edited by Nunazet; Sep 23, 2012 at 02:05 PM.
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Old Sep 23, 2012 | 04:39 PM
  #3  
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From: Short Summer, VT
Car: 1985 Trans Am T-Top
Engine: 305 TPI
Transmission: T-5 5 Speed
Axle/Gears: 3.42 posi 1LE 10 bolt
Re: proper jacking points

Frame rails are pretty much the only place to lift on a third gen with a shop lift.
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Old Sep 23, 2012 | 07:02 PM
  #4  
NowhereFast's Avatar
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From: Long Island, NY
Car: 87 Trans Am, 99 WS6, 16 Mustang GT
Engine: LB9, LS1
Transmission: 700R4, T56
Axle/Gears: 3.42 Posi, 4.10 Posi
Re: proper jacking points

Originally Posted by stealtht/a
Frame rails are pretty much the only place to lift on a third gen with a shop lift.
This. Don't lift it on the pinch welds.
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Old Sep 24, 2012 | 09:44 AM
  #5  
mans1's Avatar
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From: uk
Car: pontiac firebird trans am 1984
Engine: 5.0 v8 H.O
Transmission: auto
Axle/Gears: 700R4 auto overdrive
Re: proper jacking points

i think the k frame is a little weak we put on axel stands and it was creaking and groning so we put a third stand on the cross member for extra support i am just concerned about the shop lift going threw the frame and totaling the car is any way i can minimize the risk or can strenthen. it is mainly at the front. thanks
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Old Sep 24, 2012 | 09:59 AM
  #6  
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From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: proper jacking points

Best way to lift it to do any welding is on a drive on lift so that the unibody doesn't twist or distort in any way for the new pieces to be fitted properly.
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Old Sep 24, 2012 | 10:16 AM
  #7  
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From: Short Summer, VT
Car: 1985 Trans Am T-Top
Engine: 305 TPI
Transmission: T-5 5 Speed
Axle/Gears: 3.42 posi 1LE 10 bolt
Re: proper jacking points

Originally Posted by mans1
i think the k frame is a little weak we put on axel stands and it was creaking and groning so we put a third stand on the cross member for extra support i am just concerned about the shop lift going threw the frame and totaling the car is any way i can minimize the risk or can strenthen. it is mainly at the front. thanks
The frame rails are by far the strongest point. If you can't lift there, you need a new body.
The k member is a strong point too, but hard to reach with a shop lift.
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Old Sep 24, 2012 | 10:49 AM
  #8  
mans1's Avatar
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From: uk
Car: pontiac firebird trans am 1984
Engine: 5.0 v8 H.O
Transmission: auto
Axle/Gears: 700R4 auto overdrive
Re: proper jacking points

were are the frame rails and k frame just to be clear at the moment i am jacking up on the a frame on the suspension spring with a trolley jack. but when goes for welding. When done it should be alright but just in case thanks
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Old Sep 26, 2012 | 03:52 PM
  #9  
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From: Bad Roads, MA
Car: 1988 IROC
Engine: L98
Transmission: T-5
Axle/Gears: 3:27 9-bolt
Re: proper jacking points

I welded some steel plate to the frame rails.


You can see here where previous jacking attempts had crushed the frame rail.
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Old Sep 27, 2012 | 06:51 AM
  #10  
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From: Short Summer, VT
Car: 1985 Trans Am T-Top
Engine: 305 TPI
Transmission: T-5 5 Speed
Axle/Gears: 3.42 posi 1LE 10 bolt
Re: proper jacking points

You just have to make sure the jack pad is big enough to span the rail. That kind of damage is caused by a bottle jack or similar with too small a lift point.
Shop lifts usually have large enough pads.
As said before, just make sure they don't lift by the pinch, because that's howit is generally done on Hondas,etc.
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