I contacted FMC and found out you can refinance (i.e., payoff FMC) immediately with no penalty.
Subject : Re: Payment Information <<##>>
Thank you for contacting Ford Credit.
I apologize for any confusion. You are welcome to payoff your account at any time. As of today's date, the payoff amount for your account is $XXX.XX with a good through date of 08/20/09. Once received, we will issue paid in full documents, which will enable you to have our lien removed from the vehicle title. Please remit the payoff, with your account number, to:
P.O. Box 790119
St. Louis, MO 63179-0119
Thank you for visiting us on-line.