Yes, the pin is offset- - - - -after looking at these things for 65+ years, it's very obvious. Use a machinist's square and a sharp pencil, and mark a vertical line centered on the slot in the skirt with the piston crown as a reference point. Then measure from the line to the edge of the wrist pin hole in both directions. Like the Sun test equipment slogan used to say- - - - -"WE TEST- - - -NOT GUESS!"
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!