The pins are also offset to prevent the flywheel from being installed with the timing mark out of position. Otherwise, the timing might have to be set on the #2 or #3 cylinder instead of #1. The bolts are evenly spaced- - - -the dowels aren't. Don't use hollow roll pins- - - -if the dowel holes are drilled all the way through the crankshaft flange like the threaded bolt holes, a hollow pin will cause an oil leak into the bellhousing.
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!