Actually, I believe the oversize limit for truck drums is .090". The dimensions you've got are so close that at least one more set of brake shoes should work as long as the drum surface is smooth. If the drums are scored or out of round, don't try to machine them any bigger.
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!
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