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51woodie · 04-21-2019, 02:33 PM

Be carefull when reassembling, if you have removed the brass fittings that screw into the filter canister. One of them has a restriction orifice, and it screws into the side of the canister, and connects to the steel line coming from the back of the engine by the left cylinder head. The purpose of the restriction is to control the amount of oil passing through the filter, while maintaining a restriction in the line to maintain oil pressure in the engine.

04-21-2019, 02:33 PM	#8
51woodie Senior Member Join Date: Apr 2018 Location: Chelmsford, ON Canada Posts: 529	Re: Oil flow in a factory bypass system? Be carefull when reassembling, if you have removed the brass fittings that screw into the filter canister. One of them has a restriction orifice, and it screws into the side of the canister, and connects to the steel line coming from the back of the engine by the left cylinder head. The purpose of the restriction is to control the amount of oil passing through the filter, while maintaining a restriction in the line to maintain oil pressure in the engine.