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Old 08-18-2021, 09:19 PM   #11
Peanut74
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Join Date: May 2018
Location: Prattville, AL
Posts: 611
Re: Firewall holes for Vintage Air

A quick update on the holes specifically the 3/8" hole. Called Vintage Air and they stated that the hole was for the heater control valve. My plan is the reroute the wire so that I don't have to drill the hole and keep my firewall as smooth as possible.
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1967 C10 "Snowball" (Currently in a thousand pieces down from a bazillion)
1989 Toyota DLX pickup "The Hulk"
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