To me the issue potentially is the "wall" shown in the other thread obstructing the main feed hole if nor ground down like Steve25 said. Otherwise that "wall" is the restrictive factor of oil getting too the bearing hole.
I have seen one old RAV block the cam feed holes were drilled and tapped for restrictors!
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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune 13.43@103.4
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
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