oil galley plugs
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oil galley plugs

  1. #1
    Boat Nut sleekcrafter's Avatar
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    Default oil galley plugs

    Question on the BBC cam galley plugs behind the timing chain. I have a Rolmac timing set, and did the oil mods for the Torington bearing. Question.... do I need the 2 galley plugs with the holes any longer? This has bugged me for some time now, whats the scoop?
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    Can't re-Member 28Eliminator's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    Question on the BBC cam galley plugs behind the timing chain. I have a Rolmac timing set, and did the oil mods for the Torington bearing. Question.... do I need the 2 galley plugs with the holes any longer? This has bugged me for some time now, whats the scoop?
    It won't hurt anything to leave them in. Lot's of debate whether their actually necessary or not. I put mine back in, and haven't seen any OP drop. Personally I would rather the chain and torrington bearing get more oil than not enough.
    I'd agree with you, but then we would both be wrong

  4. #3
    Senior Member EVILFORCE's Avatar
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    I leave one drilled with a small hole to make sure the chain has lots of oil.
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    Boat Nut sleekcrafter's Avatar
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    Being it's a billet gear, roller chain, the fact the torington is slinging oil centrificaly, are extra holes really neccesary?
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  7. #5
    gn7
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    No! The timing chain gets to much oil as it is. Ever seen a MC chain running in an oil bath? All the chain does is throw most of the oil that hits it off anyway. The whole idea of the drilled plugs got started because of hydraulic lifters clakking on startup do to trapped air. Then somehow they became "the idea" for lubing a
    T chain. I would say a gear drive needs oil worse then a chain.

    What is this "modification" you made for the torrington. A hole drilled to interect the cam oil feed hole behind the bearing? How does that lube a torrington that has a flat thrusted plate on each side. The only time I have seen that used is with a bronze thrushed washer, or a stck gear riding directly on the block.



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  8. #6
    Boat Nut sleekcrafter's Avatar
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    Yes a .050 drilled passage to the oil cavity, and an oil groove. The was done per the rollmaster timing kit instructions.
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  9. #7
    gn7
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    I have never done it, and never had a T set with a torrington ask for it. Not really certain how it gets more oil to the bearing. I guess the slot from the cam bearing feed hole could shoot oil at the inside diameter of the bearing. Never seen it done for a torrington before. Have no idea how oil squirts out of the drilled hole though. Its blocked by the bearing, and the front of the block is no longer a bearing suface with a torrington.
    I run a gear drive and don't do shit. And when you think a transmission swims in oil, as does a v-drive, it would make more sense. I guess they have their reasons for it.
    Seems if they tell you to do that, they would tell you to drill holes in the gallery plugs if it was needed.



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