Quote:
Originally Posted by derek costello
The aluminum timing gear (as everybody knows) is bolted to the front mounting face of the camshaft! There is NO oiling passages that come out of the side of the cam shaft into the gear. So drilling it would be redundant! Some aluminum gears have spokes and voids cast into them to allow oil mist to circulate. (This is for oil mist that may splash up from the pan under hard braking!) So far there has not been any body that has seen a shortage of oil
in this area (I mean dry)!
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Oil goes out the front of cam against front cover, splashes down on inside of aluminum timing gear.
From inside of timing gear by gravity through the drilled holes and out to the teeths.