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#11
25-02-20, 02:18
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R975 rear main bearings
To follow up my last post on rear main bearings I offer a photo of the -46 version, as I have done for most of the other main parts. Note the much heavier flange area. For those not familiar with workings of these engines, the bearing flange sits flush in the crankcase but the projecting threaded portion supports the camshaft.
bearing-46.jpg On another topic, a couple of photos of nine mystery boxes, dug out of storage after almost 70 years...what could they be?? mysteryboxes.jpg All export packed in waxed cheesecloth over heavy cardboard cartons... very nice indeed! mysteryboxes2.jpg Last edited by Bob Phillips; 01-03-20 at 13:19. 
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Threaded Mode