Which rearend is better? GM’s time-proven 12-bolt or Ford’s popular 9-inch. Each has its advantages and disadvantages. The Ford 9-inch is heavier and eats up more power due to a disadvantage in pinion ...

Last month we took a basically stock '03 Mach 1, put it through a bunch of the normal tests, and it performed very well in all areas. Our baseline on the dyno was promising, and we were happy with the ...

GALESBURG, Mich.--(BUSINESS WIRE)--Power management company Eaton today announced its Vehicle Group is now offering Master Differential Install Kits that simplify the process of upgrading to an Eaton ...