Among the advantages of these engines are factory aluminum heads, lightweight composite intakes and in some cases aluminum blocks. Many, such as the 5.3L (RPO LM7) have a cast-iron block with aluminum ...

When does "just a little bit more" become too much of a good thing? The answer is that it occurs a lot sooner than most hot-rodders think. We're not sure when it happened, but at some point an engine ...

A man much wiser than myself once said something to the tune of "On a long enough timeline, everything gets an LS." This obviously applies to cars and trucks. But it also applies to more oddball stuff ...

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...

A little-known V8-powered version of the Chevrolet Colorado, produced from 2009 to 2012 in fewer than 5,000 units, is gaining attention as a budget-friendly street truck. Sharing its 5.3-liter ...

Loyal readers of Super Chevy (you know who you are) will no doubt remember our first adventure with Modern Mouse last month, but here is a recap for those of you just joining the party. Back in part ...