[Tigers] 2-post versus 4-post Lifts

[Jay Laifman]

:-)   I have spent many an hour under cars on jackstands.  On hindsight, in
California, not a good idea.  I now almost exclusively use ramps if I can.
If I can't, I ALWAYS have something bigger than me under there too.  I have
this large, long block of wood that some contractors left once.  It's added
protection.  I put all wheels under too - including all the jack stands and
floor jacks under there.

Funny you mention sore arms.  There are many times when I've been under a
car working away on my back when my arms just burn from holding them up for
too long.

I bought my lift solely for car storage purposes.  Being able to work under
cars is just an added benefit.  For me, in suburbia with a tight HOA, I
have my existing garage space, with no option to build out a wider, longer
garage.  So if I wanted more cars in the garage, they had to go up.

On Fri, Jan 29, 2016 at 1:46 PM, Tom Witt via Tigers <tigers at autox.team.net>
wrote:

> There would be a difference between a car falling off a lift (or the lift
> vertically collapsing)..., and the lift falling (tilting) over with the car
> still firmly attached.  It would seem the floor structure for a two post
> lift needs to be seismically substantial as compared to a four post lift.
> I don’t think the issue is the two post lift collapsing (vertically) as
> much as it is simply falling (tilting front-back) with the failure at the
> floor attachment.  Tripods have at least three legs for a reason.
>
> As a lifetime suburbanite I struggle to comprehend the need for a lift.
> Are there really that many places that are width/depth challenged and yet
> have substantial height to elevate the car – especially for stacked
> parking? If you are replacing exhaust systems, brakes, transmissions on a
> daily basis sure they make sense. Maybe it is just my perpetually bad back,
> but having to stand, look up and work with arms up seems like torture
> compared to putting a car on jackstands and lying on the floor to work. A
> sheet of foam core makes a nice, cushioning insulator.
>
> *From:* CoolVT--- via Tigers <tigers at autox.team.net>
> *Sent:* Friday, January 29, 2016 12:38 PM
> *To:* lwright at impactoffice.com ; tigers at autox.team.net
> *Subject:* Re: [Tigers] 2-post versus 4-post Lifts
>
> Figure a Tiger at 2500 lbs. on a 9000lb rated lift.  Should be pretty
> secure. The guy who installed mine said they are actually tested at twice
> the rated capacity. I think as long as the Tiger isn't shaken off the lift
> then it's a pretty good bet that the lift won't collapse.
> Mark L
>
> In a message dated 1/29/2016 3:13:28 P.M. Eastern Standard Time,
> tigers at autox.team.net writes:
>
>     I'm sure all the West-coasters have been through it all before and
> shrug it off, but I was a couple of miles from home when I experienced our
> one significant earthquake, eh, 5 years ago -- and the first thing I
> thought of was the Tiger sitting on the lift in the garage. Came home,
> opened the door, all was well. 4-post lift. MAYBE someone can convince me
> that a 2-post is as stable under such circumstances...
>
> Larry Wright
> Seabrook, MD
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