Use whichever pulley gets the alignment closest to right, and then slot the bracket mounting holes enough to tweak the fit into final alignment. Once it's lined up right, use flat washers to cover the slotted holes, and LocTite on the bolt threads to keep everything tight.
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!