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Registered User
Join Date: May 2021
Location: Spokane, Wa
Posts: 264
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Original Heat/Defrost Box W/ newer Engine
Starting the original heater box restoral, and keep running into the info that the old systems are very low pressure....about 4lbs. I have found an aftermarket replacement core for about $300 that works with higher pressure systems, but has anyone figured out some sort of a pressure regulator for a modern 12lbs+ system to a old stock core? Can't find anything on the net other than getting directed to Mustang sites. lol.
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Chip '51 Chevy 3600 5 window C4 Vette front/rear suspension & drive train full Rusto-Mod ![]() '92 GMC Sonoma GT VIN #0015 '91 GMC Sonoma GT extended cab 1 of 1 |
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