[Mgs] MGB Question

Eric J Russell ejrussell at mebtel.net
Thu Mar 2 13:15:24 MST 2017

No O-ring, that groove is how oil is distributed to the rear camshaft 
bearing and also up to the cylinder head/rocker shaft. The engine rear plate 
seals up the hollow chamber at the end of the cam.

See: http://www.mgaguru.com/mgtech/engine/of101.htm (written for the MGA but 
applies to the MGB also.)

Eric Russell
Mebane, NC
----- Original Message ----- 
> On the back end of the camshaft, there is a groove around the cam, about 
> 1/4" from the end of the cam.? Can someone tell me if there is a reason 
> for this groove?? Does an 'O' Ring or something ;like that go in the 
> groove?? Is there anything else that goes on the back end of the cam?? It 
> looks like once the rear plate is in place, there will be a fairly large 
> hollow area around the back end of the cam.? I assume that any oil 
> accumulating in this hollow area will eventually drain back to the sump.? 
> Is there anything else that goes into this hollow area?

More information about the Mgs mailing list