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I finally have my 360 torn down! I'm nearly ready to take it to the machinist to have it hot tanked and begin the rebuild. The question is regarding the frost plug like, plug at the rear of the block plugging the open area right behind the cam. First off, it looks to be installed inside out. That is to say the flange of the plug is to the inside of the block instead of out like the frost plugs. Is this the correct way to put that plug in? And am I to remove this plug like I have the frost plugs? I would remove the oil gallery plugs but I tried one and it wouldn't budge so forget it! I don't really care to take the time to rifle brush the oil galleries anyway.
Cam plug is installed correctly. As to the the oil galley plugs, the machinist will deal with that just triple check everything when it is ready to pick up. Rocker assemblies should have been broken down, cleaned and new plugs/keys installed. disassemble your distributor and clean or replace it. lots of crud to be reintroduced to the build via that scenario.
A long rod through the cam tunnel (floor jack handle...) and a BFH will make quick work of removing the cam plug. It is installed properly - looks backwards when correct.
You will clean the oil galleys or I'll get on a plane and....
The machine shop can usually remove them if you have a hard time. A bit of heat does the trick. They are tapered pipe threads so once they move at all they come right out.
Just teasing.... But that area right above the rear main is a common place for junk to accumulate. Its those "dead ends" at the end of each galley run at the rear of the block where the trash will collect.
I got all but the one on the top in the middle out. I bought a set of easy outs to help. My batteries in my cordless drill are dead and now I gotta wait until next payday to get new ones. I punched all the freeze plugs out and you should see all the Bars-leaks crud that's all over in the cooling core in the block. They must have dumped six jars of that crap in it! I shoveled that crap out for about 20 minutes! She'll be clean, that's for sure! Oh, and the culprit causing me to tear it down? Broken rings. They were shattered in one of the cylinders. Both compression rings. One was in pieces no longer than 1/2".
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