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Installing a heater core
Posted by: lostbooger ()
Date: January 19, 2013 08:02PM

How I installed the heater core in my 4.3 Monza. I simply built a case for the heater core to rest in out of ABS plastic. The bottom of the heater core is sealed dont worry. I removed the squirrel cage housing from the case and attached the heater core housing to it. I rigged up the heat cable to the heater control valve.




I built a plastic cover for the hoses to go through the old intake.



Here you can see the new hoses for the heater core.


Heater core mounted on top of the blower fan.


I have yet to fire it up, but I have tested the blower and it moves lots of air.

Damian


61 Monza 4.3L V6





Edited 1 time(s). Last edit at 01/19/2013 08:04PM by lostbooger.

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Re: Installing a heater core
Posted by: MattNall ()
Date: January 19, 2013 08:14PM

Should work well!





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Re: Installing a heater core
Posted by: The Stig ()
Date: January 19, 2013 08:26PM

Nice work!!

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Re: Installing a heater core
Posted by: lgoodwin ()
Date: January 19, 2013 10:00PM

Great job! Can't help but laugh, though. Your Corvair has a heater core, and my water pumper Mustang does NOT! It spent its first 15 years in Mexico, then awhile in So. Cal, then sat a few years. By the time I got it, there were no heater hoses, and no sign of a heater core. eye rolling smiley

1962 Corvair 900 sedan1967 Corvair Monza 140/4-speed1968 Corvair 500 coupe1983 Mexican Mustang 5.0
1962 900 sedan needs a home1967 Monza 140/4-spd1968 500 coupe (now my son's)1983 Mexican Mustang 5.0

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Re: Installing a heater core
Posted by: Raycr ()
Date: January 22, 2018 04:11PM

Damian, After you core install, where are you drawing the fresh air into the core?

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Re: Installing a heater core
Posted by: old Jerry ()
Date: January 22, 2018 08:37PM

Thanks for posting. I have thinking how to do this in my 66 with a 4.3. Living in Ohio this is an important thing.

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Re: Installing a heater core
Posted by: cnicol ()
Date: January 22, 2018 09:04PM

This heater core is mounted on the heater box above the transaxle? It's hard to tell its location in your pictures.

I would like to put a heater core in my LM V8 but I've consumed the tunnel space that had the heater duct with my coolant pipes so a rear mounted core won't work for me.

Craig N. Coeur d'Alene ID.
66 Black Monza 4dr, 4.2L V8 49k
61 Seamist Jade Rampside 140 PG
60 Monza coupe (sold, sniff sniff)
66 Sprint Corsa convt - First car! Re-purchased 43 years later
2+2 gnatsuM 5691

+17 Tons of parts

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Re: Installing a heater core
Posted by: Caraholic4life ()
Date: January 24, 2018 01:59PM

Craig,

On my Kelmark Mid Engine conversion, the center section where the original plastic duct work went was also occupied by the coolant pipes.

Whoever did the conversion installed an old Chevrolet Truck accessory heater under the dash. It was a 6 volt set up but had the voltage reduced and it worked very well for my needs.

I would imagine that newer versions of under dash accessory heaters that operate on 12 volts could be found with a little effort.

Here is one example currently on flea bay, it has a Buy it Now proce of $120.00 and free shipping. [www.ebay.com]

1965 Monza Coupe
Westminster, Maryland

MID ENG enthusiast &
prior Kelmark owner.

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Re: Installing a heater core
Posted by: Caraholic4life ()
Date: January 24, 2018 02:10PM

Here is another flea bay option for an $80.00 Buy it Now price with free shipping that might be able to be tucked out of sight or mounted in the trunk. Individual hoses could possibly be run to inside ducts and defrost locations. [www.ebay.com]

1965 Monza Coupe
Westminster, Maryland

MID ENG enthusiast &
prior Kelmark owner.

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Re: Installing a heater core
Posted by: cnicol ()
Date: January 24, 2018 04:50PM

THANKS FOR POSTING, Caraholic4life! That second one looks perfect.smileys with beer

Craig N. Coeur d'Alene ID.
66 Black Monza 4dr, 4.2L V8 49k
61 Seamist Jade Rampside 140 PG
60 Monza coupe (sold, sniff sniff)
66 Sprint Corsa convt - First car! Re-purchased 43 years later
2+2 gnatsuM 5691

+17 Tons of parts

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