A 1968 Montego MX landed on eBay earlier this week, and the car flexes something you don't see too often. It's a mostly unmolested survivor, though it does come with a problem you can see from the ...

The 390 was exclusive to the GT version. However, Mercury also launched in mid-1968 the limited production 428 Cobra Jet, which turned the Cyclone into a rocket on wheels.