[[gear pump]]


http://auto.howstuffworks.com/question331.htm
    Why do some engines use a dry sump oil system?

http://auto.howstuffworks.com/engine2.htm
    Lubrication and Fuel Systems

http://www.chevyhiperformance.com/techarticles/148_0506_lubrication_systems/
    Pumped Up, Lubrication Systems