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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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| | | | Joined: Jun 2008 Posts: 1,644 'Bolter | | 'Bolter Joined: Jun 2008 Posts: 1,644 | The standard recirculating type heater does just what the name implies. It only reheats the air inside the cab by recirculating it around in a closed circuit. The deluxe “fresh air” heater connects to the outside air by being bolted to the kick plate over the louvred side vent. It pulls in outside fresh air to be heated. I believe a later fresh air model had a door that could be closed shut via a cable that would block off the colder outside air. All 3 models have a lever that can divert the warmed air to defrost the windshield.
Those with more expertise in heaters will give more precise details.
Chuck
1950 Chevy 1/2 ton (all original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
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