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Originally Posted by cas951
Maxjax looks good but I wonder what the anchor requirements are for the concrete in the garage. Have to consider that factor.
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Most residential or commercial foundations are strong enough to support a MaxJax lift. The minimum requirements are 2500-3000 PSI 4" thick concrete. When I installed mine, I drilled the holes, tapped in the drop in anchor bolts, as long as they "grab" the concrete and you can torque them to 100lbs, you are good. If your concrete is brittle, you may want to dig it up and re-pour a 3'x3' 6' deep and you are good.
I also keep small levels on the side of each post so I can see there is no movement as I lift. When I first installed it I wasn't getting under it until I knew there was no movement. I put my heaviest car on the lift 2' high for 3 days, the bubble never move from in between the lines on the level. Then raised it to 48" for another 3 days, once again the bubble always stayed between the lines.
When I build my detached garage, I will pour a thicker footing strip (12") where I intend to use the Mohawk and the MaxJax, but for now the 4" I have in my attached garage is just fine.
PCW