Having a 500-plus-horse big-block under the hood of our Basket Case 1970 Chevelle project is exciting, but we're going to need a reliable way to convert that rotational power into linear motion. So ...

Thanks to auburn gear, the chew 3-series 12-bolt posi is back! Chevy's beefy 12-bolt differential has always been the rearend of choice among Bow-Tie musclecar enthusiasts. Unfortunately, in recent ...