Quote:
Originally Posted by 38 coupe
Bored&Stroked, my memory is you have tested the thickness of pretty much all varieties of 3 3/16 bore USA flathead blocks (prewar, 59, 8BA) and none are special in the wall thickness category. Am I remembering correctly?
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Yes - have owned, tested and stashed a bunch of them. Were there differences between any two blocks? Sure - but nothing that showed a consistent difference between any "version" of them versus another.
Now, if I had a dozed of each in NOS condition, then maybe I'd be able to extrapolate something . . . but the chances of that happening ended about 60+ years ago.
As I get them and they are cleaned, then I test them . . . is about all we can do these days.