GM's 706 Vortec heads are the cheapest and most effective heads you can use on your 4.8-liter and 5.3-liter, and even some 6.0-liter LS engine builds. Bold statement? Well, not really. You see, these ...

Produced from 1980 to 1990, the J60 series gave us plenty of incredible off-road machines. This J62 is a little different, though. Very different from the original SUV, actually. Instead of an ...