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Mod | | | Forums66 Topics128,162 Posts1,056,950 Members48,458 | | Most Online14,466
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!
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| | | | Joined: May 2003 Posts: 224 Wrench Fetcher | | Wrench Fetcher Joined: May 2003 Posts: 224 | i have the original deluxe heater that attaches to the big square hole on passengers inside wall. in order to keep more of the cold air outside and the warm air inside, ive thought about covering up that opening with sheet metal and then puting the heater into place. doing that might keep that exposed side of the heater core covered from that outside, providing more heat to be blown into the cab. am i crazy or has someone else thought about that too? would it even work? | | | | | Joined: Jun 2000 Posts: 454 Shop Shark | | Shop Shark Joined: Jun 2000 Posts: 454 | Where is the heater going to pull it's air from then? The Fresh Air Heater was designed to pull the air from outside. If you don't want that, cover the vent and replace your heater with the Recirculating Heater.
Jeff Nelson
"Beer is proof that God loves us and wants us to be happy." - Benjamin Franklin
"Always do right. This will gratify some people and astonish the rest." - Mark Twain
| | | | | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | Use a 54 heater housing, it has a door that will allow recirculateing air
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
| | | | | Joined: May 2003 Posts: 224 Wrench Fetcher | | Wrench Fetcher Joined: May 2003 Posts: 224 | thanks for that info guys i guess your right, the air would have to go from some where, ill just have to deal with the luke warm air until i can get the recirculating one. thanks too mechainiac, truely an honor to recieve a response from you. | | | | | Joined: Jan 2003 Posts: 26 Member | | Member Joined: Jan 2003 Posts: 26 | Murdock,
I've pulled my recirculating heater from my 52' to repaint it. My neighbor has a fresh air on his 49'. I like his. Want to trade? My core drains(blows through) good. Fan works great. I've repainted it a darker forest green. The fan is just primered and I haven't touched the motor...yet.
Let me know what you think. jeff
If you are interested, look at you firewall from the engine compartment on the passenger side. You should see two (2)5/8" or 3/4" holes vertically alighned about 8" apart. Thats where the hoses run through. | | | | | Joined: Jan 2002 Posts: 2,842 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,842 | It's winter time, why pull your heaters now? Wait until summer or unless you have your truck in non working conditions right now. I have a recirulating heater and it works so well I need to roll the windows down just to cool the cab. Maybe its just all that heat coming through the firewall holes 
Craig My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear My truck ....... Respect The Rust If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
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