Quote:
Originally Posted by OSH 73 280C
Hi Mike,
Thanks, yes at last i think i sort of understand. So my 73 280 is the same as your one with the 7 bearings on the intake. There lies my problem. I can't seem to find a replacement inlet cam with the 7 bearings to match it. I have found loads that say they fit but only have 4 journals/lobes...
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The oil supply to the unused bearing points in the cam box are to be plugged from the bottom, so that the unneeded oil does not escape. The number of in-service bearing points in the cam box then matches the number of cam journals.