Powermaster/Rear Disc Brakes

the hamiltons

New member
Dec 16, 1997
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Toby,

The rear disc system I put on was a lot of "off the shelf" parts such as
the front coach calipers on the intermediate wheels, late 70s Toronado?
parking brake calipers on the rears, and Toronado rotors on all four rear
wheels. Four caliper brackets were made as well as spacers between the
rotors and hubs. It all went together well, but I haven't moved the coach a
metre :-) and won't be for about a month. I'm sure it will work well but a
good test drive will be the proof.

The Hydraboost is still being used by GM. Our 1994 Safari van has a power
steering pump operated system on it.

Al Hamilton