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derek costello · 03-20-2020, 01:21 PM

There is a thrust imposed by the cam in an 8BA series engine (all helical cut gears impose a side thrust), this thrust is pushing against the inside surface of the aluminum timing cover!
There is a cup shaped ring cast into the cover to resist this thrust, that same ring has a cut in the side of it to keep the oil at that area all the time! and yes indeed I am aware of the
drilling in the end of the cam (to lubricate this area). BUT I POSED this QUESTION to see if anybody has ALSO questioned the oiling shortage in this timing gear cavity ?????

03-20-2020, 01:21 PM	#7
derek costello Senior Member Join Date: Oct 2019 Location: Niagara Falls Canada Posts: 117	Re: Timing gear oiling? There is a thrust imposed by the cam in an 8BA series engine (all helical cut gears impose a side thrust), this thrust is pushing against the inside surface of the aluminum timing cover! There is a cup shaped ring cast into the cover to resist this thrust, that same ring has a cut in the side of it to keep the oil at that area all the time! and yes indeed I am aware of the drilling in the end of the cam (to lubricate this area). BUT I POSED this QUESTION to see if anybody has ALSO questioned the oiling shortage in this timing gear cavity ?????