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Aluminum radiator [message #360787]

Sun, 13 December 2020 18:40

thigh19

Messages: 92
Registered: July 2019
Location: Vancouver Wa

Karma: 1

Member

So I’m contemplating a radiator upgrade.
Could pull the original out and have it rebuilt, or replace it with aluminum radiator.
From what I can tell, either way I go will cost me a bunch.
I see the Griffin radiator is close to a grand with shipping and a rebuilt original is probably $500+
I do notice on eBay 3 and 4 core aluminum radiator is $200-300, what is the difference? What should I look for in an aftermarket radiator?
My 73 does have external oil and trans cooler.

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Re: Aluminum radiator [message #360790 is a reply to message #360787]

Sun, 13 December 2020 19:54

Tilerpep

Messages: 404
Registered: June 2013
Location: Raleigh, NC

Karma: 7

Senior Member

http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&th=43326&goto=351901&rid=0#msg_351901

Why do you think you need an upgrade? Mine was leaking, bulging from a PO blown engine overheat and both coolers were compromised

1975 Glenbrook, 1978 Royale rear bath Raleigh, NC

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Re: [GMCnet] Aluminum radiator [message #360791 is a reply to message #360787]

Sun, 13 December 2020 19:29

jimk

Messages: 6734
Registered: July 2006
Location: Belmont, CA

Karma: 9

Senior Member

We handle the Superior unit made for the GMC so there is no guessing.
We know the Al does not deteriorate as rapidly as brass..
Al radiator will perform 40% better than original.

On Sun, Dec 13, 2020 at 4:41 PM Thom High via Gmclist <
gmclist@list.gmcnet.org> wrote:

> So I’m contemplating a radiator upgrade.
> Could pull the original out and have it rebuilt, or replace it with
> aluminum radiator.
> From what I can tell, either way I go will cost me a bunch.
> I see the Griffin radiator is close to a grand with shipping and a rebuilt
> original is probably $500+
> I do notice on eBay 3 and 4 core aluminum radiator is $200-300, what is
> the difference? What should I look for in an aftermarket radiator?
> My 73 does have external oil and trans cooler.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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Re: Aluminum radiator [message #360792 is a reply to message #360790]

Sun, 13 December 2020 20:02

thigh19

Messages: 92
Registered: July 2019
Location: Vancouver Wa

Karma: 1

Member

Not leaking, yet. But seeing some green scale forming.

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Re: Aluminum radiator [message #360800 is a reply to message #360792]

Mon, 14 December 2020 10:38

mghamms

Messages: 466
Registered: March 2016
Location: Ware, Massachusetts

Karma: 2

Senior Member

Nothing wrong with Brass. Little to gain with aluminum.
Take it to your local radiator shop. They should clean it and fix any leak if there is one for less the $100.

thigh19 wrote on Sun, 13 December 2020 20:02

Not leaking, yet. But seeing some green scale forming.

1977 Kingsley 455 as stock as it gets except lots of Ragusa parts

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