Reply to "4 post lift"

johnk (Guest)

quote:

FYI you really should "drill" in some reinforced concrete footings through the slab for the legs on the lifts.
A 3" slab in a residential garage is nothing to stand these things on.
They can do an awfull amount of damage to the surroundings when the topple over.

I find that suggestion curious. The base plates on my Backyard Buddy lift are 12x12. I doubt the contact patch of a 335-35-17 tire is half that, and a more conventional tire perhaps 1/3. Assuming a 3000lb Pantera on a 2500 lift, that's 5500lbs / 4 = 1375lbs per leg or 98 PSI. A 5000lb SUV in my garage would probably triple the PSI with it's contact patch of perhaps 1/3rd of a Pantera, and I don't believe it's going to break through the floor and topple over.

1/3/0711:41 AM

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