We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

In "LS1 Power Plan" (HPP Aug.-Oct. '08), our subject '00 WS6 T/A registered 381.1 rwhp and 365.8 lb-ft of torque, having gained an impressive 62.1 hp and 36.5 lb-ft. That "cam-only" configuration was ...

In our last installment, we set out to build a really big LS engine. How big? Well, in this case a rather voluminous 490 cubic inches. Yep, that’s big-block cubes in a small LS package. The first step ...