I agree with WestxSRT10. Where I live the law is pretty clear you, can not exceed the GVWR of a vehical or trailer. Everyone has there own level of risk they will tolerate. So anyhow here is a link with alot of opinions which may make you feel better and keep the wifey from throwing a fit.
https://www.ford-trucks.com/forums/1...w-f-350-a.html