Sorry
found master out of early 70's chevy 1 ton van with #7200 rear dually axle.
meant for drum/drum and is 1.25 bore.
also meant to originally come with vac booster... but they are firewall booster of teh 15+" variety.
im trying to
1: has anyone done a dual diaphram booster and driven a bolt with it?
2: anyone know of an actual application with a dual diaphram 7" booster?
the one I used on my panel was installed in 1996 and I cant remember the application which the only words my FLAPS knows.(or roackauto.com)
thanks for wanting to help!
