Small crack in block model C between #2 and #3 sleeve

atlarge54 · Jan 3, 2023

Just how common is it on these blocks? I recall many years ago having a discussion about this issue. Seems it is a very common trait of this engine. My memory tells me that Dick L thought it wasn t much of an issue. Just remove freeze plug and drill and tap for 1/2" - 13 bolt.

Ted in NE-OH · Jan 3, 2023

It is very common and doesn't hurt anything as the head gasket seals to the top of the cylinder sleeve.

steve(ill) · Jan 3, 2023

If its a hair line crack, just go ahead and assemble with a new gasket... Removing the freeze plug
and putting in a cross tie bolt was trying to fix an EXCESSIVELY large crack ... one you can get
your fingernail into.

rustred · Jan 3, 2023

its not a big deal. there is many engines out there with a crack between the sleeves. the mccormick wk40 is a good example.

DBlover · Jan 4, 2023

It would be odd to not see cracks between
the tops of the cylinders on the AC B, C,
C, and CA engines.

atlarge54 · Jan 4, 2023

Thank you for all the replies. YTMag rocks!!!!!

Small crack in block model C between #2 and #3 sleeve

atlarge54

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Ted in NE-OH

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steve(ill)

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rustred

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DBlover

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atlarge54

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