We just got a class c and will be taking it on the beach. To get on the beach we have to deflate our tires to 18 LBS. My question is when leaving the beach do I inflate the inner or outer tire first...
The tires will not stay on the rims at 18 psi so it wont matter which one you try to inflate first. You should never run the tires under inflated or you will damage the sidewalls. You may get away with it on a car because 18 psi may only be 10 psi under normal, still not good but on an RV you are talking 50 psi under normal.