Radiator ID Help - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**lkt1954** · 07-02-2022, 06:08 PM

It appears this radiator is the original radiator for my 69 C10. The upper and lower retainers for it will not fit over the seam where the tanks connect to the fins(which I presume that where they go).

This radiator is 34" long, 18.5" tall and where the retainers should fit is 3.5" wide.
Can anyone identify what year model or what retainers I need to fit both the upper and lower.

Thanks
Larry

**Steeveedee** · 07-02-2022, 06:49 PM

OK, you have decimal points in the wrong place. Should be more like 34", 18.75" and 1.35", yes? I'm looking at a 2-row radiator, right? I'm not certain, but I don't recall the factory putting straps on the core. Can we see the base mounts and top clamps?

**lkt1954** · 07-02-2022, 07:16 PM

Measurements corrected, I'll get pictures.

**lkt1954** · 07-02-2022, 11:09 PM

Pictures of the retainers and top view of the radiator

mr.mud1 · 07-02-2022, 11:45 PM

you are correct,the saddles the rad sits in on the bottom and and where they clamp the top,should go over the flange where the rad core meets the tanks.there should be a rubber insert in those saddles,not metal on metal.the new core i just soldered into my original tanks had straps on it for shipping holding cardboard,the marks still visible in the picture before paint but not factory.i'd have to go measure mine but your measurements sound about right,you may have a replacement aftermarket rad for a truck but i doubt that is a GM rad,certainly not with the tabs on there for the aluminum shroud?a GM rad wouldn't have that void along the top from the left to right side,or at least not on any rad i've seen?

**lkt1954** · 07-03-2022, 10:10 AM

The tabs for the shroud I welded them on there to mount the shroud to.
It good to know the strap was for holding cardboard (now I'll cut it off).

I tried spreading the bottom retainer to fit and that didn't work very well. So I trying to find some retainers that are roughly 3.5" wide on the inside.

**Jason Banks** · 07-03-2022, 10:22 AM

Definitely an aftermarket 4 core brass radiator. That channel along the top is the big give away. I have one and used factory 4-core radiator mounts, but I had to trim the rubber way down to get the radiator to fit.

**lkt1954** · 07-03-2022, 11:07 AM

Jason- Thanks
Where did you get your 4-core mounts from?

**Jason Banks** · 07-03-2022, 11:38 AM

I got the goodmark ones from Rockauto. It appears they don't have them anymore. I'd feel safe getting those from just about anybody though. Classicparts.com or LMC should have them and get them to you fairly quick.

https://www.classicparts.com/1967-72...info/78%2D754/

**lkt1954** · 07-03-2022, 06:00 PM

Those are for a 2.58" core, this one measures 3.25" wide where the tank and fins meet.
I have found several universal mounts, but would like to stay as close to original as possible.

Thanks

07-02-2022, 06:08 PM	#1
lkt1954 Active Member Join Date: Dec 2007 Location: Dumas, Texas Posts: 185	Radiator ID Help It appears this radiator is the original radiator for my 69 C10. The upper and lower retainers for it will not fit over the seam where the tanks connect to the fins(which I presume that where they go). This radiator is 34" long, 18.5" tall and where the retainers should fit is 3.5" wide. Can anyone identify what year model or what retainers I need to fit both the upper and lower. Thanks Larry Attached Images Last edited by lkt1954; 07-02-2022 at 07:16 PM. Reason: correction

07-02-2022, 06:49 PM	#2
Steeveedee Who Changed This? Join Date: Jan 2013 Location: Simi Valley, CA Posts: 10,091	Re: Radiator ID Help OK, you have decimal points in the wrong place. Should be more like 34", 18.75" and 1.35", yes? I'm looking at a 2-row radiator, right? I'm not certain, but I don't recall the factory putting straps on the core. Can we see the base mounts and top clamps? __________________ ~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA

07-02-2022, 07:16 PM	#3
lkt1954 Active Member Join Date: Dec 2007 Location: Dumas, Texas Posts: 185	Re: Radiator ID Help Measurements corrected, I'll get pictures.

07-02-2022, 11:09 PM	#4
lkt1954 Active Member Join Date: Dec 2007 Location: Dumas, Texas Posts: 185	Re: Radiator ID Help Pictures of the retainers and top view of the radiator Attached Images

07-02-2022, 11:45 PM	#5
mr.mud1 Registered User Join Date: Dec 2020 Location: Joggins Nova Scotia Posts: 1,599	Re: Radiator ID Help you are correct,the saddles the rad sits in on the bottom and and where they clamp the top,should go over the flange where the rad core meets the tanks.there should be a rubber insert in those saddles,not metal on metal.the new core i just soldered into my original tanks had straps on it for shipping holding cardboard,the marks still visible in the picture before paint but not factory.i'd have to go measure mine but your measurements sound about right,you may have a replacement aftermarket rad for a truck but i doubt that is a GM rad,certainly not with the tabs on there for the aluminum shroud?a GM rad wouldn't have that void along the top from the left to right side,or at least not on any rad i've seen? Attached Images

07-03-2022, 10:10 AM	#6
lkt1954 Active Member Join Date: Dec 2007 Location: Dumas, Texas Posts: 185	Re: Radiator ID Help The tabs for the shroud I welded them on there to mount the shroud to. It good to know the strap was for holding cardboard (now I'll cut it off). I tried spreading the bottom retainer to fit and that didn't work very well. So I trying to find some retainers that are roughly 3.5" wide on the inside.

07-03-2022, 10:22 AM	#7
Jason Banks Senior Member Join Date: Dec 1999 Location: TX Posts: 1,519	Re: Radiator ID Help Definitely an aftermarket 4 core brass radiator. That channel along the top is the big give away. I have one and used factory 4-core radiator mounts, but I had to trim the rubber way down to get the radiator to fit.

07-03-2022, 11:07 AM	#8
lkt1954 Active Member Join Date: Dec 2007 Location: Dumas, Texas Posts: 185	Re: Radiator ID Help Jason- Thanks Where did you get your 4-core mounts from?

07-03-2022, 11:38 AM	#9
Jason Banks Senior Member Join Date: Dec 1999 Location: TX Posts: 1,519	Re: Radiator ID Help I got the goodmark ones from Rockauto. It appears they don't have them anymore. I'd feel safe getting those from just about anybody though. Classicparts.com or LMC should have them and get them to you fairly quick. https://www.classicparts.com/1967-72...info/78%2D754/

07-03-2022, 06:00 PM	#10
lkt1954 Active Member Join Date: Dec 2007 Location: Dumas, Texas Posts: 185	Re: Radiator ID Help Those are for a 2.58" core, this one measures 3.25" wide where the tank and fins meet. I have found several universal mounts, but would like to stay as close to original as possible. Thanks



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