Read this link first. Covers all LS engines, LQ's, etc. It's a really good read.
http://www.lsxtv.com/tech-stories/engine/junkyard-ls-engine-builds-going-from-rags-to-riches/
another few good reads:
8 sec 4.8L
http://www.lsxtv.com/features/car-features/video-stock-4-8l-short-block-pushes-71-datsun-into-the-8s/
need parts?
http://www.lsxtv.com/news/video-check-out-this-incredible-f-body-junkyard-in-canada/
http://www.lsxtv.com/tech-stories/engine/junkyard-ls-engine-builds-going-from-rags-to-riches/
another few good reads:
8 sec 4.8L
http://www.lsxtv.com/features/car-features/video-stock-4-8l-short-block-pushes-71-datsun-into-the-8s/
need parts?
http://www.lsxtv.com/news/video-check-out-this-incredible-f-body-junkyard-in-canada/