LOUISVILLE, Colo.--(BUSINESS WIRE)--The photo has been updated. The release reads: SIERRA SPACE EXPANDS VORTEX® PRODUCT LINE WITH NEW 1,500 LBF HYPERGOLIC ENGINE VORTEX® VRM1500-H is a new addition to ...

3D printing is an incredible tool for prototyping and development, but the properties of the materials can be a limiting factor for functional parts. [Sam Rogers] and colleagues at [AX Technologies] ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the ...

General Motors introduced the 5.3-liter Vortec V8 back in 1999 and kept it in production for 15 years. Over that time, it became one of the most popular small-block engines in GM's lineup, offering ...

A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

A teardown of a locked-up GM L31 5.7-liter Vortec 350 from a ’90s full-size truck reveals bent rods, destroyed bearings, a ventilated block, and exactly why these workhorse small-blocks so often go ...

Another of the many lawsuits directed at GM over alleged excessive oil consumption by the GM Generation IV 5.3L V8 Vortec 5300 LC9 gasoline engine has been dismissed, this time by the U.S. District ...