There's no denying the popularity of GM's line of LS engines and their many variants. And onof the most prevalent, and popular, would be the 5.3L LM7 Vortec. There are hundreds of thousands of these ...

We hear it all the time, that cam profile, intake design or even head porting is for a naturally aspirated motor and doesn't work well on a turbo combination. Is this the reality or simply a crutch ...

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 ...

Chevy LS engines are among the most popular swap options for gearheads everywhere, and for good reason. LS motors are readily available at salvage yards across the nation, parts and upgrades are ...