I have a steep driveway also.
I built a set of heavy duty ramps and tied them together including the use of angle irons for stability, not really a solution for a TT, but I want to make a related suggestion anyway.
The rubber step pads under the ramp help prevent movement of the ramp.
If you are going to get under it or even work on the underside, then I would use a heavy ratchet strap or two connecting the rear of the TT to a solid anchor like the garage, another vehicle, or a tree.
I use large chocks in front of the rear dual tires and chocks in front of the ramp.
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Last edited: Mar 24, 2023
Bill Waugh
2 Jeep Commanders, one race car
Retired from the road to Lake Havasu after 35 years on the road
Back on the road sometimes with a Class C Thor Chateau