Re: 345 block

[jlandry@domain.elided (John A. Landry)]

When the truth serum kicked in, garry@domain.elided (Garry R. Mauldin II) blurted
out...

>if you have the heads off, looking at the top end of the cylinders,
>the markings are right below the cylinder holes
>the markings go in order from front to back
>A   C   A   C  
>
>A   B   A   B

Garry,

I just had to run down and check my 392 block mounted on my engine stand.

Just as you described, it's marked with an "A" on every cylinder!  I never
really noticed these markings before.

I can't find any reference to what they mean in the IH shop manual.  I can
only assume it must have something to do with bore tolerances or quality out
of the engine factory.

Now I'm intrigued (not hard to do)!

John L.
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