Quote Originally Posted by Lankhoss
I think you are right. It's a 2V OHC 4.6L V8, and the car weighs about 3500lbs. About 100hp less than the Cobra, but it weighs almost 200lbs less. It also has a solid axle and 5 speed, as opposed to the IRS and 6 speed in the Cobra.

Basically, it's a Mustang GT with a beefed up engine, shaker hood, different wheels, and other cosmetic differences.
The Mach1 is a 4v DOHC Engine, similar to that of a 99 or 01 Cobra without the shaker hood system.