Ramps posted by NismoZ (Louisville) on October 17, 2011 at 08:22 AM
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I found some scrap lumber from a new house that was under construction and built these "helper" ramps. Notice the piece behind the ramp to keep the rhino ramps from sliding out. Once the weight of the car is on the first step, there's no slippage at all, even on my slick garage concrete. Just those 3 layers were enough to drive up on the ramps without hitting the front. You can always add another layer if you have any clearance issues.