Powered by 4v modular engines, born via petition, this is your place to discuss tech for the DOHC modular Mustangs. Things like the SVT / Shelby Cobra, Mach1, even Ford Lightnings and the GT would be ok here.
All things Tech related to 2v, 3v, and 4v modular 4.6L Mustangs; both SOHC and DOHC engines. Includes GT, Cobra, Saleen, Shelby, Roush, Steeda, and other special editions.