Cam bearings

[philthehill]

For general information - whilst the rear camshaft bearing is not fed oil via an internal oil gallery it is fed directly from the pump via a small bleed passage which is located in the oil pump front plate.
As soon as the oil pump is primed oil is forced out of the small bleed directly to the rear cam bearing.
It could be said that the rear camshaft bearing is the first to be fed with oil on start up as all the other bearings have to be fed via the oil filter and oil galleries.
Phil