Originally Posted by 2ManyTrucks
When you list two numbers like
9 1/8 and 12 9/16 in the same line

What do they mean, which is it?

Like one of them is probably a dimension from the back of the block but if so then what is the other dimension
It’s important to be explicit in documentation and instructions
Ambiguity leads to questions like I have now

Thanks
-s

This chart was made for me as a reference in my shop to help me when I needed to modify an engine for conversion.
I see where someone coming in without point of reference could be confused.
When I get a minute I will rewrite my blog post to clear it up.
Thanks


See the USA in your vintage Chevrolet!
My Blog