Then once in La Manzanilla and before your 6 months are up you can get Onapaffa plates so that you can drive in states of Jalisco and Nayarit and not have to return to cross the border every six months until you are the legal owner. At that point you can nationalize your car and go anywhere in Mexico, or, if you chose, continue with the limited Onappafa plates.
My e-mail is firstname.lastname@example.org. I will not be avalable until after June 25th. Good travels, Cruz