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Oil flow

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Is there any oil that flows through the head under pressure? Doesnt ALL the oil in the head come through the push rods? 

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  • IBMobile
    IBMobile

    Oil through the push rods are with hydraulic lifters like in GM engines. Below shows the oil flow in the Cummins 5.9L from the FSM.  

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  • Owner

There are oil ports into the bottom of each set of rockers. As far as I know, there is no oil port in the push rod at all. Never really looked but I'm pretty sure there isn't.

  • Staff

Oil through the push rods are with hydraulic lifters like in GM engines.

Below shows the oil flow in the Cummins 5.9L from the FSM.

 Scan_20180919.jpg.ff49f4d51431e1efec3ff505af06fbf3.jpg

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1206654312_Scan_20180919(4).jpg.d89d51c4e3ddd7ebb3092f49a46e278d.jpg

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