Need to know the PCM code to know 100% if I can reprogram it. The code is 4 digits (3 letters followed by 1 number), on the passenger side door frame near the hinges. 87 octane tunes aren't worth it, get a premium fuel tune because the mileage increase will help make up for the difference in cost. The reprogram fee information is here:

http://www.motorhaven.com/customer/p...&cat=37&page=1