'68 318 to carbed Magnum 5.2: Check my checklist

sireland67 said

I think you may be correct on a plugged gallery unless somebody can provide another explanation.
That motor looked clean, so I really do not suspect sludge, was there any gasket made with RTV when you tore it apart?
RTV is good and bad depending on how it was applied.

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The end seals for the intake were done with The Right Stuff, which is definitely the "Right Stuff" to clog an oil gallery if it did so. I can't imagine any RTV ball getting through the sump screen at the bottom of the pan though.

There is a remote possibility it might be part of the seized lifter from cylinder #7, but I doubt it.

Now the fun part of getting it out. Whatever it is (though it'll probably be RTV). I'm considering opening the plug at the back of the gallery and put a vacuum to it - see if anything comes out. Not really keen on having to open the front end of the engine and pull the welch plug in front if I don't have to (but probably will end up doing).

-Kurt