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- Sep 26, 2018
I added the heater control valve vacuum type on the engine block. I had assumed this was the standard for the '57, there does not appear a way to route the vacuum hose through the firewall. Other questions are, where does the vacuum hose attach to under the dash, workbook does not point that put? Does the hose connect to the vacuum thermostat valve or the vacuum water valve, and are these two valves connected together. Lastly, does this work commence from the engine bay or under the dash. All said and done, did I order the wrong part for the engine block. Thanks
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