For those of you that didn't already know: The mexican blocks are stronger. Not because of high nickle content, but because there is more metal used in the blocks, and used in the spots that matter.
Here's a link to a thread with lots of great info and side by side pics of mexican vs regular:
Mexican Block Tech (Comparison Pics)
Here's a link to a thread with lots of great info and side by side pics of mexican vs regular:
Mexican Block Tech (Comparison Pics)