Yes, a good set of ATs on 20s are absolutely capable off-road. I've done technical crawling and also high speed washes. Air'd down to 20psi (or less) feels great on this stuff. And AHC does its part to keep body motions in complete control. Plenty of sidewall IMO, when paired with a 33" or larger tire.
I personally went with wide 305/55/20s (33.2"x) for multiple reasons. Firstly, I kept the 20's as I tow. This with Load E tires and 42 PSI keeps things stable for freeway towing. Yet it's plenty of sidewall for off-road when aired down. The wider tire and sidewall works well to keep rocks and curbs away from the rim lip. As an aggressive on-road driver, it also makes up for traction losses with AT tread having more voids, taller tread blocks, and AT compounds.
Yes, it's necessary to run a spacer for the wider tires. 1" all around in my case, giving a 2" wider track. But it's a win-win in my book. With the tire size giving a slight lift and increased center of gravity, the wider track regains some of the lateral stability. It also fixes the scrub radius geometry that comes with using larger diameter tires. Pushing the tires out, also means that because it's now flush with the body lines, that sliding sideways when on off-camber trails, that the tires work to keep the body off the terrain.
I've been really enjoying the setup all around, under tow, off-road, on-road braking/cornering, and rain/snow performance. Credit also goes to the Falken AT3Ws as they've more than exceeded my expectations.
I personally went with wide 305/55/20s (33.2"x) for multiple reasons. Firstly, I kept the 20's as I tow. This with Load E tires and 42 PSI keeps things stable for freeway towing. Yet it's plenty of sidewall for off-road when aired down. The wider tire and sidewall works well to keep rocks and curbs away from the rim lip. As an aggressive on-road driver, it also makes up for traction losses with AT tread having more voids, taller tread blocks, and AT compounds.
Yes, it's necessary to run a spacer for the wider tires. 1" all around in my case, giving a 2" wider track. But it's a win-win in my book. With the tire size giving a slight lift and increased center of gravity, the wider track regains some of the lateral stability. It also fixes the scrub radius geometry that comes with using larger diameter tires. Pushing the tires out, also means that because it's now flush with the body lines, that sliding sideways when on off-camber trails, that the tires work to keep the body off the terrain.
I've been really enjoying the setup all around, under tow, off-road, on-road braking/cornering, and rain/snow performance. Credit also goes to the Falken AT3Ws as they've more than exceeded my expectations.
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