How is the temperature regulated in a 67 imperial
w/reg a/c ? Is there a water valve in the heaterbox under the dash ? or does hot
water always circulate and the air mixture is changed w/ducting ? The
fsm doesn't spell it out. Right now I have no temp regulation in either my
4dr or convert. Anybody ever have one of these systems apart ? thanks,
Mike Becker
67
4dr 67 vert 72rr
77pw
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