Read about how to put together a 427-inch 550-horse LSX engine from GM Performance Parts Catalogs that costs about $2000 for the foundation inside Street Rodder Magazine.

440 LSX Bowtie Iron Block Engine Build - Big-Inch LSX. We Build A 440-Inch LS Engine That Puts Out Over 650 HP On 91 Octane. HOT ROD Staff Writer Nov 01, 2010.

Competitive Motor Engine Build - 1,029HP, 440CI, N/A LSX. A rare peek inside a competitive LSX all motor engine build by Pro Line Racing. HOT ROD Staff Writer Jun 26, 2012. See All 24 Photos.