Cake
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    • You need to experiment for yourself and see what makes sense with your specific vehicle. I've run as low as 3 PSI for gnarly rock crawling and in sand. I usually run 7-8 PSI on most trails (like Hell's Revenge👇). If it's very easy 4x4 terrain, I'll do 15 PSI. If it's an easy graded road, I'll not bother airing down the tires.

      As for trails, I personally proceed at my own risk and assume that there could be obstacles I might need to turn around for. I saw that @DanSolarMan here on cake is a serious jeeper. @DanSolarMan - how would you advise Brian on checking trail conditions?