The LS3 and LSA engines are both part of the fourth-generation GM small block family and both have their own benefits and shortcomings.

The LS3 and L99 are both 6.2-liter V8 GM engines, and they have a lot in common. However, they differ slightly in both performance and fuel efficiency.

GM's small block LS2 and LS3 V8 engines are similar, but not the same. What are the biggest differences between these two beastly powerplants?

The GenX 255 cylinder heads fit GM LS3 and other LS engines with 4.000 and larger cylinder bores. The coolant holes through the head deck are redesigned to work with all LS head gasket and engine ...

Check out these breaking new pictures of the new 2010 Chevy Camaro's Engine options, a LS3 and a L99, only at GM High-Tech Performance Magazine.

1SC-YA is back again, our Chevy Camaro Z28 is getting an engine swap from it's stock LS1 to a GM Performance Parts LS3 version LS376/480, only at GM High-Tech Performance Magazine.

Editor Steven Rupp looks at how to build a 415-inch stroker LS3 engine and make 600+ hp!