Misc. Tools Gray Air/Hydraulic Jacks attempted reply

[David Jackson]

Hello all;
For some reason the system will not let me respond to a thread about Gray air lift jacks.
All I was going to say is that I have two Gray Model 100 I think they are; both at least 50 years old, both work like new.
I've posted some photos, including the jacks lifting; only reason for 2 jacks is no way to get under with just one; bumper sticks out too far for jack platform to reach something solid enough on the truck; an older F250 with big block gas engine and winch set up; not a lightweight by any means.
Gray no longer makes these either.
I keep thinking there should be some way to make a crossbrace of some sort to use one on each side of a modern, plastic bumpered car and lift it. Any ideas?

 

[vette66bob]

.Dave I had used one of the Gray Jacks for 40+ years, very reliable and useful.
We have repurposed the jack for many uses including; making platforms for Transmissions, rear end removal and installation and other under vehicle chores. Most of the use is under car lifts.
We used to use it for many jacking chores you could raise a car or truck more then 3- 4 feet. One safety requirements is to make sure the car is in neutral without the brake on. The reason being the vehicle need to roll toward the Jack, Otherwise it may pull off the lifting points and please always use JACK STANDS. I know this did not answer your question but it may give you a few ideas.

 

[David Jackson]

.Dave I had used one of the Gray Jacks for 40+ years, very reliable and useful.
We have repurposed the jack for many uses including; making platforms for Transmissions, rear end removal and installation and other under vehicle chores. Most of the use is under car lifts.
We used to use it for many jacking chores you could raise a car or truck more then 3- 4 feet. One safety requirements is to make sure the car is in neutral without the brake on. The reason being the vehicle need to roll toward the Jack, Otherwise it may pull off the lifting points and please always use JACK STANDS. I know this did not answer your question but it may give you a few ideas.

Thanks for the reminder about jack stands! They are a big part of any car lifting I do, even to change wheels from summer to winter. I look at the welded tab on the Gray, and while it has not failed yet, without jack stands I don't feel safe.

I have two of these. Have you ever heard of making some sort of attachment which would go under a car and between the lifts, with some sort of moveable pad to lift modern cars at their lifting points?

 

[vette66bob]

Dave, The concern I would have is the weight distribution and lifting points under the car. I think it may be possible with a couple of pices of HD square stock and 4 adapter.
Be careful and think it out.
Bob