*#&%@ 47 Year Old Heater Core... - Chevelle Tech
Heating & Cooling Heating, cooling and air conditioning

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post #1 of 44 (permalink) Old Dec 24th, 18, 3:42 PM Thread Starter
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Brian
 
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*#&%@ 47 Year Old Heater Core...

Well, my 47 year old heater core has sprung a leak. I am wanting to find out if anyone has used any of the new aluminum heater cores and if so, will they last. I can score a copper/brass core off of eBay, but it only has a 12 month warranty (the aluminum ones locally have lifetime warranties). If anyone has used them, let me know if you had any problems. Thanks.

https://www.autozone.com/cooling-hea...44311_0_0_5281

https://www.oreillyauto.com/detail/b...ter+core&pos=0

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post #2 of 44 (permalink) Old Dec 24th, 18, 7:35 PM
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Bill
 
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Re: *#&%@ 47 Year Old Heater Core...

I just installed one in my car from Rock Auto for around $25. It fit perfectly and puts out good heat. They use aluminum cores and radiators in millions of cars every year. I wouldn't worry about it. It was the easiest heater core exchange that I have ever done.

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post #3 of 44 (permalink) Old Dec 24th, 18, 11:16 PM
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Re: *#&%@ 47 Year Old Heater Core...

Philip said he used an Aluminum one in his wagon, he works part time at a NAPA store and probably used a NAPA one, good luck!!

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post #4 of 44 (permalink) Old Dec 24th, 18, 11:24 PM
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Re: *#&%@ 47 Year Old Heater Core...

With the aluminum, you'll probably need that lifetime warranty a few times. A good copper/brass core lasted, what? 48-50 years?
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post #5 of 44 (permalink) Old Dec 25th, 18, 12:27 AM
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Re: *#&%@ 47 Year Old Heater Core...

The aluminum cores work fine, however they may be bit shorter and require modification to clamp in place.

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post #6 of 44 (permalink) Old Dec 25th, 18, 9:12 AM
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Re: *#&%@ 47 Year Old Heater Core...

Maybe your not as fortunate as me,I have a guy near me that does first class radiator work,recores radiators and heater cores.He recored my original radiator for me and has done several for a friend that has a stable full of concours restorations.Good luck,replacing a heater core is no big task, but having to do it because of inferior parts is aggravating.
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post #7 of 44 (permalink) Old Dec 25th, 18, 9:16 AM
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Re: *#&%@ 47 Year Old Heater Core...

Quote:
Originally Posted by oldcutlass View Post
The aluminum cores work fine, however they may be bit shorter and require modification to clamp in place.
The Spectra core that I installed fit perfect with the factory clamps. It looks identical to the copper one that I took out.
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post #8 of 44 (permalink) Old Dec 25th, 18, 9:56 AM
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Re: *#&%@ 47 Year Old Heater Core...

Brian have you thought about cleaning and repairing the leak with solder?


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post #9 of 44 (permalink) Old Dec 25th, 18, 10:01 AM Thread Starter
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Re: *#&%@ 47 Year Old Heater Core...

Quote:
Originally Posted by shovelrick View Post
Brian have you thought about cleaning and repairing the leak with solder?
Once I get it out and replaced, I will find a local radiator shop and see if they can fix it. Then I can have it on hand if it happens again.

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post #10 of 44 (permalink) Old Dec 25th, 18, 10:17 AM
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Re: *#&%@ 47 Year Old Heater Core...

Changed mine couple years ago. Not because the old one was leaking but because the front clip was off and access was convenient. I got this brass/copper from Speedway as I thought it was maybe better quality. Could of had aluminum cheaper.

https://www.speedwaymotors.com/1968-...ores,6798.html
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post #11 of 44 (permalink) Old Dec 25th, 18, 11:27 AM
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Re: *#&%@ 47 Year Old Heater Core...

I think the Spectra and Murray ones are the same

I would buy either the Spectra or the Murray one and the Speedway one

therefore I could see which one fit/looks the best and the other new one would be a spare

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post #12 of 44 (permalink) Old Dec 25th, 18, 1:33 PM
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Re: *#&%@ 47 Year Old Heater Core...

Take it to as radiator shop. Have it boiled out flushed repaired and have him re enforce the tubes you will be good for another fifty. The new stuff is junk ,thin light weight and you will be lucky to get five years especially if it sits over the winter. Old school logic but has not failed me yet, just because something is new does not make it good. Alex
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post #13 of 44 (permalink) Old Dec 26th, 18, 10:50 AM
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Re: *#&%@ 47 Year Old Heater Core...

Brian,
I just spent an entire weekend replacing the heater core in my Wife's 84 Riviera. The core I took out was a replacement from one of the parts stores that was only about 4 years old This time I went on E-bay and found an NOS GM core. Paid dearly for it but I figure it should outlast me. The original core in her car lasted 30 years, the replacement only 4



If you can find a NOS core I would buy it. If it was only an hour or so job it might be a different story. I had to put one in my S-10 last year and I got an aluminum one from Fisher Auto. But . . . it is less than an hour job on that truck without AC so if it lasts a few years its not too bad.

Bill Koustenis
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post #14 of 44 (permalink) Old Dec 26th, 18, 11:20 AM
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Re: *#&%@ 47 Year Old Heater Core...

Quote:
Originally Posted by z27 View Post
Take it to as radiator shop.

Unfortunately there are not many good ones left. Don't know how it is in the Boston area but around here the only one reasonably close to me is 65 miles away in Baltimore.

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post #15 of 44 (permalink) Old Dec 26th, 18, 11:59 AM
blm
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Re: *#&%@ 47 Year Old Heater Core...

How can one tell if the heater core is the original? Would think they may have been changed out by a parts store core back in the day.
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