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Old 04-18-2017, 10:00 AM   #1
B. W.
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Re: Radiator Questions!

It looks like your lower rad mounts are 3 core, need 4 core mounts, the rad support must be "massaged" to fit the 4 core mounts. 1st pic is 3 core, 2nd is 4 core.
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Old 04-18-2017, 09:49 PM   #2
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Re: Radiator Questions!

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Originally Posted by B. W. View Post
It looks like your lower rad mounts are 3 core, need 4 core mounts, the rad support must be "massaged" to fit the 4 core mounts. 1st pic is 3 core, 2nd is 4 core.
Whoa! Easy solution I guess. Thanks for the pic.

What vendors here carry 4 row lower brackets?
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Old 04-18-2017, 11:22 PM   #3
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Re: Radiator Questions!

I have this installed in my 72GMC
http://www.speedcooling.com/1967_197..._Radiator.html

Great price and it fits like a glove. I've got 11k miles on it Hot West Texas with zero issues. You can see more pics in my build thread.

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Old 04-18-2017, 11:37 PM   #4
B. W.
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Re: Radiator Questions!

GMC Pauls, upper bracket 213422, lower 213423, rubber pads 213424. LMC should have them too.
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Old 04-18-2017, 11:48 PM   #5
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Re: Radiator Questions!

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Originally Posted by B. W. View Post
GMC Pauls, upper bracket 213422, lower 213423, rubber pads 213424. LMC should have them too.
Hmm. I may actually have those already just not mounted to my core support. Once I get back onto the truck I'll have a look but if not, I'll order some. Thanks!
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Old 04-19-2017, 12:22 AM   #6
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Re: Radiator Questions!

Quote:
Originally Posted by Z10 View Post
I have this installed in my 72GMC
http://www.speedcooling.com/1967_197..._Radiator.html

Great price and it fits like a glove. I've got 11k miles on it Hot West Texas with zero issues. You can see more pics in my build thread.

Thank you. I have three replacement radiators already....that is one area where I took in lots of advice from the site and still haven't found a perfect fit. "Spare parts" is how I view it.

It may just be that I have three row brackets on the bottom, those came attached to the core support. I'll have a look into 4 row lower brackets and go from there.
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Old 04-19-2017, 12:55 PM   #7
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Re: Radiator Questions!

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Old 04-19-2017, 01:09 PM   #8
71CHEVYSHORTBED402
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Re: Radiator Questions!

Quote:
Originally Posted by B. W. View Post
It looks like your lower rad mounts are 3 core, need 4 core mounts, the rad support must be "massaged" to fit the 4 core mounts. 1st pic is 3 core, 2nd is 4 core.
Bingo, I just went through this. Assuming 4 row radiators were standard with 402 blocks, GM neglected to bend the support so the brackets sit flat.

A crescent wrench works real well OP.

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