I meant to ask earlier, is it possible that a PO used red loctite on the threads? Given that heat appears to have made a difference it made me wonder. With blue you shouldn't need to use heat, but red definitely needs heat. I think there was some confusion because the Honda thread locking agent that doesn't require heat is red, so sometimes people used red loctite by mistake.
My fear on these bolts is, they take a smaller allen wrench/socket to get them off. My luck, I'll use the impact and snap off the head of the bolt or round out the hole..