Before you buy the Manual, check out the new features comming on the 2013 Auto,,Ford is getting closer and closer to a Combo of manual and auto in one and the same tranny..
OK gotcha,, But you heard and you hear,,,I have heard the same and then i SAW many installs of 390's and no problems,,BOB COSBY 2004 F/S Champ and Stang GURU has them on his daily driven 03 Cobra..