Another confusing thing is that the cam bearing passaged from the crank appear tapped and plugged.
Likewise, the lifter bores are tapped and plugged.
E – Crank journal oiling port. Oil comes from the passenger-side of the block and oils the crank. This appears stock.
F – Cam oiling journal port. Some of the oil after the above oiling shoots up to oil the cam.
The cam passages are tapped and plugged. This is not stock!
G – 15 of the 16 lifter oiling ports
are tapped and plugged.
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