The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)
-   The 1967 - 1972 Chevrolet & GMC Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=3)
-   -   radiator (https://67-72chevytrucks.com/vboard/showthread.php?t=858854)

john8746 05-21-2025 10:49 AM

radiator
 
where the best choise to buy a new radistor for my 1971 c/10

HO455 05-21-2025 02:17 PM

Re: radiator
 
My first choice is a rebuilt factory radiator.

WHYBYNU 05-21-2025 07:14 PM

Re: radiator
 
1 Attachment(s)
I use the 3 core Champion keeps my ZZ6 crate engine at 185-190 with the a/c running on a 95+ degree day.

TxGary 05-21-2025 07:30 PM

Re: radiator
 
I also use the 3 core Champion, never had any issues.

Steeveedee 05-21-2025 08:40 PM

Re: radiator
 
Best choice? What are you running, and what are the demands? Six cylinder bare bones, or high-horse 454+ with all the gizmatchies on it? I put a Cold Case 2-row aluminum radiator in my truck (in my sig). It stays below 200° towing a 6k pound travel trailer up steep hills in hot (California) weather.

Smitty 05-22-2025 12:20 AM

Re: radiator
 
I'm running the 3 core Champion in my '71 HO 350 crate motor. They do stand behind their warranty. This was a replacement for a 4 core that sprang a leak.

a Good Man 05-22-2025 02:10 AM

Re: radiator
 
1 Attachment(s)
Hi


I like this but haven't tried it. It looks cool.

https://entropyrad.com/products/1967...-dual-hpx-fans

Richard 05-22-2025 03:41 AM

Re: radiator
 
Quote:

Originally Posted by a Good Man (Post 9386414)
Hi


I like this but haven't tried it. It looks cool.

https://entropyrad.com/products/1967...-dual-hpx-fans

Would not use that myself. I do not understand the flat plate fan shrouds that literally block airflow through large portions of the radiator? The shroud is actually decreasing cooling capacity of the radiator.

a Good Man 05-22-2025 03:46 AM

Re: radiator
 
Quote:

Originally Posted by Richard (Post 9386415)
Would not use that myself. I do not understand the flat plate fan shrouds that literally block airflow through large portions of the radiator? The shroud is actually decreasing cooling capacity of the radiator.



Hi sir

The manufacturer says.


Like all of our radiators, it’s made in the USA. We guarantee you’ll think it’s 7000% and guarantee it to cool your car with ease. And of course our lifetime warranty on everything: radiator and fans.

Richard 05-22-2025 03:54 AM

Re: radiator
 
Quote:

Originally Posted by a Good Man (Post 9386416)
Hi sir

The manufacturer says.


Like all of our radiators, it’s made in the USA. We guarantee you’ll think it’s 7000% BAD ASS and guarantee it to cool your car with ease. And of course our lifetime warranty on everything: radiator and fans.

I do not care what they say. I still stand by what I have learned. They just want your money!

a Good Man 05-22-2025 04:23 AM

Re: radiator
 
Quote:

Originally Posted by Richard (Post 9386417)
I do not care what they say. I still stand by what I have learned. They just want your money!


I really trust what you says. I agree strongly.

BROWN 70 05-22-2025 05:14 AM

Re: radiator
 
I have a cold case in my GMC. has worked well, and I was in CA. in 100 plus days. in Oregon its really easy for it.

Sunchild714 05-22-2025 09:58 AM

Re: radiator
 
I use a Cold Case as well with duel electric fans. Keeps the engine nice and cool here in the Vegas heat.

71CHEVYSHORTBED402 05-22-2025 01:39 PM

Re: radiator
 
Quote:

Originally Posted by HO455 (Post 9386331)
My first choice is a rebuilt factory radiator.

Places still do that huh?

I'm an idiot moron sometimes, I had an oem that worked for 20 years. I didn't realize it was oem until I got around rebuilding the truck. For some reason I figured it was wrong, partially because some AH(s) cut sections out of an otherwise perfect shroud.

I replaced it four times, 2nd only to align hardlines, wasnt about to install it, sounded like a maraca. The last two being us radiator. The first they sent leaked, which seems an anomaly, the quality look and feel is real good, but their fill can be off ideal. The dummies put a label on top the 1st one, yyy?.....wouldn't polish out.

Sometimes man.........the specials I ordered during covid demonstrated so much stupid......another eg, some of my ac made three trips across the country because the AHs packed the finished dryer and compressor metal on metal, what the......

Already Gone 05-22-2025 03:16 PM

Re: radiator
 
4 Attachment(s)
I know its not exactly the info u wanted but wanted to show that origianls can still be used. I had my original 3 row row rad, 72 C10 350 A/T with factory A/C, recored into 4 row. Also had my heater core recored thinking itwould be a 50 year old weak link. I'm using the original fan and fan shroud. Truck now has a small block 400 and no issues so far.

72c20customcamper 05-22-2025 03:28 PM

Re: radiator
 
1 Attachment(s)
Quote:

Originally Posted by Richard (Post 9386415)
Would not use that myself. I do not understand the flat plate fan shrouds that literally block airflow through large portions of the radiator? The shroud is actually decreasing cooling capacity of the radiator.

Never had a problem with my Chevelle 496 540+hp have a Dewitt’s radiator with basically the same shroud as A good man posted . Plenty of air at speed and the fans hardly come on in traffic .

72c20customcamper 05-22-2025 03:38 PM

Re: radiator
 
My 72 I used a Cold Case radiator with the stock shroud and clutch fan . No problems maintaining temps even towing . The radiator I took out was the original and I believe it is a 4 row. I’d like to get it re cord but there is only one place within 60 miles of me and he is stupidly priced . I can buy a new radiator from USRadiator for less and have money left over for other things .

https://usradiator.com/product/chevr...71-72-radiator

dagnabbitt 05-22-2025 08:57 PM

Re: radiator
 
1 Attachment(s)
Quote:

Originally Posted by Already Gone (Post 9386515)
I know its not exactly the info u wanted but wanted to show that origianls can still be used. I had my original 3 row row rad, 72 C10 350 A/T with factory A/C, recored into 4 row. Also had my heater core recored thinking itwould be a 50 year old weak link. I'm using the original fan and fan shroud. Truck now has a small block 400 and no issues so far.

Same with me for my 72 GMC. If you are running a stock set-up, the original rads work great: the engineers at GM knew what they were doing.

While it may seem that rad shops have disappeared, they are still out there, they just don't advertise to the general public. Check with the guys who repair the rads for Kenworths and Caterpillars: they can be convinced to do a classic vehicle rad now and then if you aren't in a rush.

The cost is only a little less than buying a new one from China, but you won't face any fitment issues and it will be good for many years

70 gmc c2500 05-22-2025 09:53 PM

Re: radiator
 
I've ran a 2 row and 4 row Champion radiator in 2 vehicles now without issue. The latest is the 4 row in my son's 70 GMC truck.

Joyridin 05-23-2025 07:39 AM

Re: radiator
 
From a thermal standpoint, a copper radiator (original or recore) will disperse heat better than an aluminum one of the same size. The only benefit of an aluminum radiator is pretty looks and light weight. If neither of those is of a concern to you, then stick with an original and have it recored.

1970cstblazer 05-23-2025 08:17 AM

Re: radiator
 
Always prefer the copper/brass for both radiator and heater cores.

HO455 05-23-2025 02:59 PM

Re: radiator
 
Quote:

Originally Posted by 71CHEVYSHORTBED402 (Post 9386492)
Places still do that huh?

I'm an idiot moron sometimes, I had an oem that worked for 20 years. I didn't realize it was oem until I got around rebuilding the truck. For some reason I figured it was wrong, partially because some AH(s) cut sections out of an otherwise perfect shroud.

I replaced it four times, 2nd only to align hardlines, wasnt about to install it, sounded like a maraca. The last two being us radiator. The first they sent leaked, which seems an anomaly, the quality look and feel is real good, but their fill can be off ideal. The dummies put a label on top the 1st one, yyy?.....wouldn't polish out.

Sometimes man.........the specials I ordered during covid demonstrated so much stupid......another eg, some of my ac made three trips across the country because the AHs packed the finished dryer and compressor metal on metal, what the......

See the link for known radiator shops. Please post if you know of one.

https://67-72chevytrucks.com/vboard/....php?p=9262892

jumpsoffrock 05-23-2025 05:45 PM

Re: radiator
 
Quote:

Originally Posted by 1970cstblazer (Post 9386603)
Always prefer the copper/brass for both radiator and heater cores.

And copper/brass radiators are also not afflicted by electrolysis, whereas one of the worst downsides of aluminum in any ICE coolant system is that you must be careful to run fresh good coolants or other liquids that qualm electrolysis.

Rick Bollinger 05-23-2025 10:39 PM

Re: radiator
 
I had my original rebuilt. It's a 4 core pinch tube and he also said he could beef up the automatic trans cooler. He did like a stack plate type of thing for the trans cooler inside of the radiator to enhance that as well. Stock shroud, fan and fan clutch.

tim_mc 05-25-2025 09:11 PM

Re: radiator
 
I've been using a Champion CC369 3-row since 2018 with no issues - runs very cool, but I like the idea of having an original radiator rebuilt too.

https://www.championradiators.com/product/CC369


All times are GMT -4. The time now is 08:53 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2026, vBulletin Solutions Inc.
Copyright 1997-2025 67-72chevytrucks.com