Differential Gears and How They Affect Your Mustang

[Mustang360]

So you’ve got a sweet late-model Mustang that you’ve dumped a few mods into, but now you want to make it fly a little faster, right? One of the easiest ways to give your pony more pep in its step is to upgrade to a lower gearset out back. Typically, most 1994-present Mustangs are equipped with 3.27-3.55 gears from the factory, while Fox-bodies tend to have either 3.08 gears or, worse yet, the 2.73 gears that would be perfect for a NASCAR Super Speedway but are just about useless on the street. While these gears are fine for a stock car, a lower gearset will allow your Mustang to accelerate quicker into its powerband.
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