http://www.chevymania.com/
http://fteufert1.home.att.net/sbchevy/sbchevy.htm
http://members.aol.com/csmith669/chevy.html
http://www.chuckschevytruckpages.com/73-87specs.html
http://www.4x4breakers.com/
http://www.mortec.com/
http://www.competitionproducts.com/
http://www.portcityracing.com/
http://www.coloradok5.com/grilleswap.shtml
http://www.favorites.com/~jolly/EngineData.htm
http://www.chevy-gas-diesel-engines.com/chevy-engine-284.html
http://www.gm-trucks.com/RPO_index.shtml