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MG MGA - Rear Bearing Cap

I noticed on Barney's site he refers to the "Rear Service Memo 212" that states to minimze rear main oil leaks, drill two holes in bearing. My question is, I have the bearing cap pictured below with the stem out the bottom. Would this modification benifit me? Could I just do this with a hand drill or must this be "Machined"?
Thanks


WMR Bill


That would be here:
http://mgaguru.com/mgtech/care/csm/mg212.pdf

This was done by the factory from engine number 40106 and continuing through end of 1500 engine production. See here: http://mgaguru.com/mgtech/care/csm/mg229.pdf
The mg212 memo refers to modifying earlier engines.

I have never done this. Mostly I just let the thing leak, as long as it's not too bad. I'm pretty handy with special mods using hand tools, but I wouldn't try that one with a hand drill. The reason for the drill jig is because it is drilled into an angled surface. This could be done without the special drill jig using a milling machine if the setup angle and position can be determined.

The 1600 engine has a different casting for the rear main cap, does not have the screwed in down pipe, be does have two large horizontal drilled holes. See attached picture.


Barney Gaylord

This thread was discussed on 28/07/2008

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