1966 Impala 11" heater core - Impala Tech
Heating & Cooling Heating, cooling & air conditioning

 
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post #1 of 6 (permalink) Old 04-13-2020, 10:14 PM Thread Starter
 
 
Join Date: Apr 2020
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1966 Impala 11" heater core

I recently blew up my heater core. I ripped my dash all apart and got the old one out and picked one up at my local car parts store. When i got it home, i found that the old heater core was 11" and the new one was 9.5". i have scoured the internet looking for somewhere that sells an 11" heater core for a 1966 impala: it keeps telling me that the 9.5" one is the right one. It is not. the brackets will no longer hold the new one in as it is obviously 1.5" too short. The car is a canadian car (if that makes any difference).

Has anyone ran into this before? Is there a proper 11" long one available? Can the 9.5" be made to fit? slightly frustrated. any help is greatly appreciated.
Thank you.
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post #2 of 6 (permalink) Old 04-13-2020, 10:38 PM
BA.
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dang man, sorry to hear that.

i replaced mine about 18 months ago or so and didn't have any issues. I have a lengthy thread about it here on the forum. Wish I could tell you where I got it but I highly suspect it was from the very local Auto Zone or O'Reillys. Maybe I posted a picture that will help in determining it's size or possibly a ratio of length-width.


Hmmm. I might have a receipt. I'll look for it.

HOW A NOVICE REBUILDS A 66 IMPALA CONVERTIBLE:
http://www.impalas.net/forums/blog.php?u=1432
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post #3 of 6 (permalink) Old 04-14-2020, 10:22 AM
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Canadian car may make a difference in the heater. From memory it gets kinda nippy up there in the winter so a larger heater core can come in handy, provided you cover the radiator with cardboard first. I would attempt to see if a Canadian supply house offers anything different.

Big Dave
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post #4 of 6 (permalink) Old 04-16-2020, 11:24 AM
 
 
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From 65 to 70 there only two options. It is either a Spectra Premium 94534, with A/C or the 94531 w/o air. My only thought is someone stuffed a larger core in the car, with some difficulty due to tube location. Can you see any changes to the firewall holes? IF you still have trouble, message me and we can talk.
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post #5 of 6 (permalink) Old 04-16-2020, 11:42 PM
BA.
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I looked through my receipts and, very out of character of me, I guess I didn't save it. I have over a dozen others though. :-/

You may have seen it but this is the only picture I had posted of my replacement activity in the old thread.




HOW A NOVICE REBUILDS A 66 IMPALA CONVERTIBLE:
http://www.impalas.net/forums/blog.php?u=1432
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post #6 of 6 (permalink) Old 04-18-2020, 07:55 PM
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