A fundamental part of any muscle car is a nice, strong rearend fitted with a limited slip or Posi unit. What good is it to make gobs of horsepower if you can only do one wheel burnouts or if the diff ...

It was 1973, the last time we saw a brand-new 12-bolt rearend in a passenger car, and man, the things are fetching untouchable green at today's swap meets. Some have argued that GM's 12-bolt axle has ...

It was a warm, sticky summer afternoon at Maryland’s Capitol Drag Raceway back in the mid-1970s. I was fresh out of high school when a ’63 Chevy II roared up into the staging lanes for a smoky stage.