When it comes to GM engines, the Chevy small block and LS motors get most of the love and attention. But there's another Chevy engine deserving of recognition for its legacy in the world of GM trucks.

We were more excited to buzz this turkey on the dyno than we usually are with some whumpin' big-block. Why? It's different. Not too many people build V-6s any more. Perhaps we found out why, but we ...