what are people using for a rear seal in a 368.i wouldnt use the rope you see in most kits today.

Best gaskets has a good rope seal.. I have had good luck with them

I use Best in the engines that have a rope unless I can find an original asbestos at a swap meet. I make them so packed tight with no rods in you can barely turn it over. I soak it in assembly lube. By the time I’m ready to start up a starter does it fine.
A PCV system helps with leaks. My racing engine uses a vacuum pump..

56 Vic, B'Ville 200 MPH Club Member, So Cal.

thanks im trying to find an old set.but if not ill go with best.my first 368 some interesting things.i didnt know the rear main and seal were in one like an fe.

whats with those two brass plugs by the cam that go into the lifter galley.what is their purpose.

I’m guessing for casting the block. I take them all out and use bottle and rifle brushes to clean them all out when I’m doing any engines. For crank and the feed holes to the crank I use the rifle cleaner brushes.
As for the NOS rope seals, I’ll use any brand engine seal when I find it. At swap meets I search out Olds, Pontiac, Packard, Studebaker, Cadillac, etc rope seals as any will work and I’ve never found one too short for the GMC 6’s I use them for.

56 Vic, B'Ville 200 MPH Club Member, So Cal.

they are special plugs with another plug in the centre that slides.i never saw anything like this before.