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Author Topic: car pinch weld rail jack adapter?  (Read 438 times)

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Offline HipGnosis

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car pinch weld rail jack adapter?
« on: April 04, 2019, 09:10:17 AM »
I need a pinch weld rail jack adapter to use my floor jack with my Ford Fusion.
There's not much to them, so I'm NOT gonna pay $20 for one.   I"ll make one out of wood.
But, I need to know the parameters of the application.
Are they suppose to push up on the bottom of the pinch weld rail or lift the car by pushing up on either side of the rail?
Also - how do you get it to align with the rail while you're jacking up the jack??   
Is there any reason I can't flush mount a magnet in it to hold it in place and then jack the jack to it??
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Online zer0netgain

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Re: car pinch weld rail jack adapter?
« Reply #1 on: April 04, 2019, 09:26:47 AM »
https://www.amazon.com/gp/product/B06WRMSHP2/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Just under $10 a pair at Amazon.  You'll spend more time and money making your own.
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Re: car pinch weld rail jack adapter?
« Reply #2 on: April 04, 2019, 09:54:35 AM »
https://www.amazon.com/gp/product/B06WRMSHP2/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Just under $10 a pair at Amazon.  You'll spend more time and money making your own.

This.  If you do go the wood route be aware of grain direction.

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Re: car pinch weld rail jack adapter?
« Reply #3 on: April 04, 2019, 10:00:26 AM »
Don't do it in wood. But if you do, heed the warning about grain, and make them thick as possible. Like 4x4 PT kind of thick and dense. But just don't do them in wood.

Buy them, or just make them out of square tubing or a puck or block of something. You don't want these failing.

They should cradle it, and in best case, the depth of the slot should be the same as the height of the weld/flange, but no more. The flange is the strongest part, but cradling the metal WITH THE SAME depth is best. If the slot is deeper than your flange, it's a certainty you're going to pucker the unibody; the variable is how much, and not "if".
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Re: car pinch weld rail jack adapter?
« Reply #4 on: April 04, 2019, 10:01:11 AM »
PS.. I've lifted MANY cars on the flange/weld without cradles, but just to lift. Use proper jack stands and don't rely on the floor jack on that part of the car, and you'll be fine.
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Offline HipGnosis

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Re: car pinch weld rail jack adapter?
« Reply #5 on: April 04, 2019, 03:20:42 PM »
Thanks all
I can see where the edge of the rail would work like an axe blade into wood.
But... why do I need to buy two?!?!?!
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Re: car pinch weld rail jack adapter?
« Reply #6 on: April 04, 2019, 03:24:15 PM »
Thanks all
I can see where the edge of the rail would work like an axe blade into wood.
But... why do I need to buy two?!?!?!

The assumption there is for lifts and such. They should all kinda just be sold as either singles, or a set of four (and multiples thereof for pro shops).
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Online zer0netgain

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Re: car pinch weld rail jack adapter?
« Reply #7 on: April 04, 2019, 03:34:33 PM »
Thanks all
I can see where the edge of the rail would work like an axe blade into wood.
But... why do I need to buy two?!?!?!

I bought two.  Got two more.  It's easier for me to do some things by jacking up a whole side or putting it all up on jack stands.  At the very least, you'll have a spare one.
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Re: car pinch weld rail jack adapter?
« Reply #8 on: April 04, 2019, 05:53:19 PM »
Steal some hockey pucks and cut a groove in them.
i eats paste

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Re: car pinch weld rail jack adapter?
« Reply #9 on: April 05, 2019, 03:42:18 PM »
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