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Classic Mustang Air Conditioning Firewall Grommet

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With the air handler permanently installed, we're ready for the firewall grommet. This guy requires patience and a razor-thin cut on the refrigeration side to clear these fittings. Did you notice the use of Ford Tinnerman nuts on these studs to give the Hurricane a factory look?
Vintage Mustang Air Conditioning - Air Apparent

 With the air handler permanently installed, we're ready for the firewall grommet. This guy requires patience and a razor-thin cut on the refrigeration side to clear these fittings. Did you notice the use of Ford Tinnerman nuts on these studs to give the Hurricane a factory look?  View Related Article

 

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