My 2 pennies:
OFR is a difficult road. A rig on 31s will most likely get some damage and may likely end up with some broken part that may make it difficult to drive out and/or drive on the road. It will also need to be dragged over not just the main obstacles but many spots throughout the road. Should another group show up behind you that is better equipt to move along the road, courtesy would say to make every attempt to find a place where you can let them by (this may be difficult to do)
I would suggest having 33s of an aggressive tread pattern (MT), a locker and underbody/rocker protection.
I would also say that several people should have tow straps, everyone should have tow hooks/tow points front and rear and there should be at least one rig with a winch. I've taken rides there where 10 rigs, all on 35s or larger took only about 3 hours to drive the entire length.
I've also been there when 10 rigs, with tires in 33-37 range, ended up taking over 10 hours, due to broken axles, a roll over, etc.
IMPORTANT!
Along the way, one will see several "go arounds" out through the woods to avoid the obstacles.
The obstacles ARE the road. The "go arounds" are on private land and are NOT the road. If you get to a point where you can't drive, winch or get pulled over an obstacle, you need to turn around and go back out.. do not drive through the woods to get around an obstacle... Please! Continued actions like that will get the road closed. The state wants it closed, the towns feel a bit differently, but the state tends to wield more power than the small western MA towns.
Once you reach the water hole at the end, you must stay to the left. The bottom is hard packed and usually about 2-3 feet deep.
Again, the trail up through the woods around the water is NOT the road, is state land and will surely help to get the road closed by driving there.
Also, running through the mud to the right, which is thick and about 4' deep, is not within the right away of the road and should also be avoided.
If you spread this information everytime you bring up OFR, then, everyone, over time (one would hope) will become more responsible about its use and keep it open for years to come. Failing to do so will see it closed long before its time.
Thanx!
Talk soon,