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Larrybrook's Avatar
 
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Seriously?? You can jack up the front end here?

All these years I've struggled to find a good spot to jack up the front end.

I came accross this image yesterday. Jacking this way wont damage the car?



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Old 08-03-2023, 08:19 AM
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Old 08-03-2023, 08:32 AM
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I place a 2x4 between the suspension mounting points and then jack from the middle.
Old 08-03-2023, 08:58 AM
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When you say "No" to my question "Jacking this way wont damage the car?"...does that mean it WON'T damage?
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Old 08-03-2023, 09:52 AM
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You can jack up the front end here?

Is what I was saying no to.

2x4 across the mount points is much better. That cross beam can not hold the weight of the car, maybe that guy is using the jack as a safety measure if one of the stands fails or something.
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Old 08-03-2023, 10:17 AM
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To me it looks like that jack is there as a 5th jack stand to keep car either from teetering forward if that was the concern,just added stability to replace that suspension.
No, not a jack point. But the front or rear mounting points are structurally sufficient, the c-channel framing where that jack is located might not take a full load in the center of it and for that matter, the center of any beam is weakest point.
Old 08-03-2023, 12:26 PM
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In the photo you can see the car is sitting on two jack stands, (from an assumed total of four); would expect these are taking the majority of the weight.

If the cross member is rusty, (inside from leaked battery acid) it may crush or fail if used to as a single point to lift / jack the car.
Old 08-03-2023, 12:32 PM
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I have used that spot many, many times on my '75. I use it when I am adjusting front camber or corner balancing on the roll off platforms.

But it is a race car-- weighs about 700 pounds less overall than a street car.

99% of the time I use a jack plate in the side locations.

20+years.
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Old 08-03-2023, 12:46 PM
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Quote:
No.
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Why?

Upon inspection, say a #3000 911 with a weight distribution of 60 rear 40 front.. the front wheels of the car share a load of around #1200.. of course this is dynamic..

#1200...

That cross member is really quite robust.. a rectangular section.. Unless its compromised by rust.. go ahead and do it..

Simply jacking up the car from there is fine.. I've done it countless times....

Here is one to make your head explode... Porsche family member jacking up a 911 by the engine ...FFS

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Old 08-03-2023, 01:21 PM
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I have jacked up a G50 88 911 from under the motor many times..... This 3.2 block does NOT have the round oval sump plate ...
Old 08-03-2023, 06:54 PM
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I'm certainly no expert, but that's where I jack my car up from as well. I use a 2x4 to distribute the weight a bit, but with the boxed shape of the metal there, it seems like a perfect spot.

Of course I put stands underneath once I get it to height, etc.
Old 08-04-2023, 08:01 AM
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Nice. I'm going to do this next time I need it up without using quickjacks.
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Old 08-04-2023, 08:08 AM
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I use 2 floor jacks to get the car into the air. One in each jack slot on the sides. Raise each a couple inches at a time to keep things even, then lower it on to jack stands. Simple.
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Old 08-04-2023, 08:15 AM
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Quote:
Originally Posted by jlex View Post
I use 2 floor jacks to get the car into the air. One in each jack slot on the sides. Raise each a couple inches at a time to keep things even, then lower it on to jack stands. Simple.
Wait so you have the car suspended in the air from two points of contact in the middle? I know the lift points are supposed to be at the center of gravity but holy **** that sounds delicate.
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Old 08-04-2023, 08:26 AM
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I have been jacking the front of mine in that spot for 20 years now. Like others I use a 2x4 to distribute the weight but it does the job. And mine is rusty haha. It was poorly repaired with fiberglass and I never got to fixing it. But that’s something I’m doing soon.
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Old 08-04-2023, 09:46 AM
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Quote:
Originally Posted by David Inc. View Post
Wait so you have the car suspended in the air from two points of contact in the middle? I know the lift points are supposed to be at the center of gravity but holy **** that sounds delicate.
Yes.... when the jacks have the car up the points are perfectly centered. Think of a teeter totter... the car can dip forward or backwards with just a touch of the hand. Once it's high enough, place the jack stands in appropriate positions, then lower the jacks slightly to let them handle the weight. I keep the jacks in a non weight bearing position as an added measure of safety. The thing is to raise each side equally by going from side to side.
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Old 08-07-2023, 09:51 AM
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I don't even bother to alternate between each side. Jack up one side as high as I can, toss under the jack stands, move to the other side and repeat:

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Old 08-07-2023, 11:21 AM
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That's about all I'd do unless going very high on 6 ton stands, like high enough for an engine drop, in which case I'd go back and forth.

You have to be confident in the rollers on your jack, though, you don't want it fighting the car as it goes up!

This sounds absolutely terrifying, though, why do it like this?
Quote:
Originally Posted by jlex View Post
Yes.... when the jacks have the car up the points are perfectly centered. Think of a teeter totter... the car can dip forward or backwards with just a touch of the hand. Once it's high enough, place the jack stands in appropriate positions, then lower the jacks slightly to let them handle the weight. I keep the jacks in a non weight bearing position as an added measure of safety. The thing is to raise each side equally by going from side to side.
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Old 08-07-2023, 11:30 AM
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Pampadori's way of getting the car totally off the ground doesn't require 2 jack pads and 2 jacks so its more economical. Because I have 2 jacks, I figure there's less weight being shifted from side to side for whatever advantage that may have. Guess I like to see it going up evenly, but maybe that's just me.
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Old 08-07-2023, 11:30 AM
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I keep a few short lengths of 2x6 around the shop to distribute weight while jacking up the 911 and 66 Bug. Belt and suspenders approach.

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Old 08-07-2023, 03:21 PM
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