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Old 08-16-2018, 03:57 PM   #1
68ihscout
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Radiator 70 c 20

Anyone know the exact radiator measurements on a 1970 c20 with 350 small block i tried searching came up empty ,thanks in advance.
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Old 08-16-2018, 08:08 PM   #2
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Re: Radiator 70 c 20

I have a 400, so I'm not much help. Somebody else should chime in, sooner or later.
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Old 08-16-2018, 10:08 PM   #3
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I have a 400, so I'm not much help. Somebody else should chime in, sooner or later.
you have a 70 also??
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Old 08-16-2018, 11:31 PM   #4
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Re: Radiator 70 c 20

Yes. If you have the truck, do you need to know what needs to be measured, for you to get the right dimensions?
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Old 08-17-2018, 08:47 AM   #5
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Yes. If you have the truck, do you need to know what needs to be measured, for you to get the right dimensions?
Yeah that would help ,if youre rad support is the same(original) and the rad fits
That would give me pretty much ball park dimensions right? Thanks
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Old 08-17-2018, 10:10 AM   #6
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Re: Radiator 70 c 20

Will the size of an aftermarket aluminum / plastic be fine, or do you need the size of the original copper / brass?
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Old 08-17-2018, 11:17 AM   #7
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Re: Radiator 70 c 20

My radiator is 34" from outside to outside of the tanks, and 19" high. You could have one that is narrower if you have a 350 without AC. Do you have the radiator core support available to measure? The hole should be about 29" for the radiator like I have since it stops at the edges of the core.
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Old 08-17-2018, 11:20 AM   #8
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Re: Radiator 70 c 20

Check this company out, they mat have dimensions posted.

http://www.thermalsolutionsmfg.com

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Old 08-17-2018, 11:26 AM   #9
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Re: Radiator 70 c 20

Two radiators I found with a quick search...
Hope this helps.

Bill

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Old 08-17-2018, 04:56 PM   #10
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Re: Radiator 70 c 20

That 28-3/8" core size corresponds to the hole, closely enough. I'll have to measure my core's thickness- it is a four-row brass job.
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Old 08-17-2018, 11:19 PM   #11
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Will the size of an aftermarket aluminum / plastic be fine, or do you need the size of the original copper / brass?
There is some confussion on my part i guess , there seems to be different sizes ,aluminum seems to pop up a lot so that would be fine just dont want to order something that wont fit
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Old 08-17-2018, 11:20 PM   #12
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That 28-3/8" core size corresponds to the hole, closely enough. I'll have to measure my core's thickness- it is a four-row brass job.
Thank you steevee for the great help
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Old 08-18-2018, 10:10 AM   #13
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Re: Radiator 70 c 20

Quote:
Originally Posted by bill3rail View Post
Two radiators I found with a quick search...
Hope this helps.

Bill

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yes sir thats it those are the correct core size.
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Old 08-18-2018, 12:37 PM   #14
68ihscout
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Two radiators I found with a quick search...
Hope this helps.

Bill

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thank you bill
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