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I've been looking at lots of ramp safety/proper use articles but they all seem focus on lifting the front of the vehicle.

On a vehicle with enough clearance to use a ramp at the rear tires, is there any reason you should not lift one whole side of a vehicle by placing ramps at the front and rear tires and driving up? Assume the tires on the other side would be blocked, parking break on, etc.

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  • I'm not sure a general answer is possible. The stability of the vehicle on the ramps will depend upon the height of the ramps, and the height of the vehicle's center of gravity; these factors will determine how far the CoG moves towards the tire contact areas on the non-lifted side. Commented Apr 8, 2021 at 21:58

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You can lift one side safely as long as the center of gravity doesn't go past its tipping point, which will usually be the wheels on the non-lifted side. How far you can lift it depends on the vehicle, SUVs, smart cars and the like have a higher center of gravity than a sedan or sports car, so could be lifted less. You would need to find out the tip angle of the specific vehicle and do some calculations based on that.

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  • In addition to this answer, I'd like to add (from personal experience driving in rough country) that most vehicles can withstand angles of 30 to 40 degrees.
    – EᑎOT
    Commented Apr 9, 2021 at 18:51

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