The parts store only gave me one drum at the moment. So I'm only turning the passenger side drum assembly. I will relocate the drum to the other side adjust pads out a bit and try turning it, see if it suffers the same difficulty turning.
The shoes aren't part of the equation as to why the differential is difficult to turn the 20% of the revolution, so hitting the brakes I don't think will make a difference.
I'll go try the drum on other side and report back Tom.
Thanks everyone.
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69 Gto, 390 posi gears,th400 w/jim hand converter/406 pontiac/#64 HEADS/ 10:1 compression/ 190 PSI with/ TRW 160 thou domes / hooker headers 1 7/8, PRW 1.5 rockers, 405 Crower Springs, Holley 750 vac with proform upgrade, Performer RPM on points / 284 H Single Pattern Crane
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