We're engine fanatics who appreciate big horsepower with stump pulling torque. Even so, we also understand all of that grunt requires a well balanced drivetrain to make it last. And while modified 10- and 12-bolts, along with the stout 9-inch rears have its place, this month we're focusing on Strange Engineering's S60 rearend.

If you didn't already know, the S60 is a proprietary casting that's designed to use Dana 60 components. This means 35-spline axles become the norm, which adds to the strength factor, making the S60 comparable to a 9-inch and considerably stronger over the 12-bolt. Best of all, you get your choice of differentials, such as the Traction-Lok, Truetrac, or a Locker.

Depending on your needs, Strange offers the S60 in a number of configurations ranging from the bare housing to a complete bolt-in assembly; ours was ordered for an early A-body Chevelle for the street. If you're looking for more of a dragstrip application, then you'll be happy to know that Strange also offers axles from their Pro Race line, a choice of larger axle studs, along with their Pro Lightweight spool.

All said and done, the S60 is a great alternative to the 9-inch by costing significantly less and without sacrificing any strength whatsoever. Add in the variety of options to choose from and you have a setup that'll grow with you for years to come. So, follow along as we show you what you can expect to get for your hard earned bucks.

S60 Highlights

  • All Strange S60's are cast from premium Nodular Iron.
  • Nodular Iron caps help reduce deflection, which also helps to extend gear life.
  • Strange designed its castings to fit GM A-Body, G-Body, late-model F-Body, and leaf spring applications.
  • 35 spline axles are standard in S60 rearend assemblies.
  • Tubes come fully welded (360 degrees) around casting.
  • The giant 9 ¾-inch diameter ring gear offers increased strength over OEM gears for the most demanding applications.