Chad this may not help but it will give you some more ifno. anyway. Just last week I took a 70 quart coleman cooler 92 miles with 50 CNB in it and they were 4 inches in length and they all made it just fine. I put 2 OTABS in the cooler just in case but i don't think I would have needed them. Anyway hope that helps. I think you should be fine for sure.
