
02-16-2012, 08:00 PM
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Administrator
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Join Date: Jul 2004
Location: Wilton, CA.
Posts: 13,488
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Welcome to the site. Most of the aftermarket systems like Vintage Air completely replace the factory heater box with a single self-contained unit under the dash. All the stuff on the engine side of the firewall can be removed. That is how it is with GM vehicles, I am not positive for Ford.
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