Allis B manifold studs

Phil-mar Farms · Aug 12, 2019

Are the holes for the manifold studs drilled thru into the water jacket?

Jim.ME · Aug 13, 2019

Someone with a B can confirm, but I believe at least some are through drilled and need sealer on them.

Bob Bancroft · Aug 13, 2019

Correct.

Dick L · Aug 13, 2019

None of the heads I have worked on was drilled into water. I suppose someone could have drilled extra deep when removing a stud of something. When I rebuild a head I always run a tap to the bottom of the holes to make sure they are clean. I have changed manifolds without loosing any liquid also. I never run across one that had been drilled into water.

Phil-mar Farms · Aug 13, 2019

Thanks everyone,six dry holes.

Bob Bancroft · Aug 14, 2019

Must be only the WC/WD engine and larger. Unfortunately, enough time and practice have passed that I don't recall details like I used to.

Jim.ME · Aug 14, 2019

My error as well, based on WD and D14s with wet holes, I run into. Good to know for the future. Thank you for the correction Dick L.

Bob Bancroft · Aug 14, 2019

So if you remember for sure a D14 with wet holes, it's not the engine size, but the head type which is the difference!

Jim.ME · Aug 14, 2019

(quoted from post at 06:34:55 08/14/19) So if you remember for sure a D14 with wet holes, it's not the engine size, but the head type which is the difference!

I am sure I had at least a couple wet holes in each of the ones here I have changed manifolds on.

Allis B manifold studs

Phil-mar Farms

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Jim.ME

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Bob Bancroft

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Dick L

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Phil-mar Farms

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Bob Bancroft

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Jim.ME

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Bob Bancroft

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Jim.ME

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