The 216-235 oil distributor is behind the metal plate directly under the exhaust manifold to exhaust pipe flange. The cover to the oil distributor is attached to the block with three machine screws. (photo from Dave Black, "Dalbuie?, Stovebolt.com)
1948-1951 cross-section of the 216/235 block.
1948-1951 cross-section of the 216/235 block, showing the lubrication/oil-distribution system. The oil distributon valve is bolted to the middle of the block on the right side of the diagram, outside of the main oil-supply gallery.
1948-1951 Truck Shop Manual description of the oil distribution valve.
(photo from Dave Black, "Dalbuie", Stovebolt.com)
From left-to-right, Fig. 59: oil distribution valve cover; outer gasket "1"; oil distribution valve; inner gasket "2". Notice that the two gaskets are different. The USA 216/235 Shop Manual states that the different style gaskets MUST be used in the locations shown.
The is the oil distribution valve attached to its plate. http://www.chevsofthe40s.com Item # 839170 40-53
Chevs of the 40's only lists one of the gaskets. The USA 216/235 Shop Manual states that two different gaskets are needed (see the Shop Manual diagram of the oil distibutor - shown two photos back). http://www.chevsofthe40s.com Item # 839173 40-53
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com
Inner Line by-pass Oil Filter Photo from David Feldman "Forty9 " on Stovebolt.com