I ran Fins & Things with Phil Simmons when he was in his bone-stock taco x-cab. Only issue was slight dragging of the underside of the rear bumper on some of the ledges. The only damage was some slight scratches to the chrome where you couldn't see it anyway. There were no spots whatsoever where he needed sliders. I have also led Chicken Corner a number of times. It is Subaru Grade. I can't speak to 7 mile as I haven't run it (It is a new trail this year), but if you have worries your trail leader can help spot you over difficult stuff. Over the years I have taken pride on spotting newbies in their bone stock rigs over stuff they didn't know they could do, with no damage to their rigs. You'd be surprised what a stock Toyota 4x4 can do!