Harrison Radiator Applications & Identification for A-Bodies

...thankfully gallbladder's a straightforward procedure...

 

...yep, SF correct for '68-'71 350/455 manual, and has no trans cooler...

 

It was gangrenous which adds some risks but yes, otherwise pretty straightforward. Could've been much worse!

 

Scanned pages from 69

 

My 4-speed Stage 1 also had SJ on the POBF, which was dated 02/20 (1970).

 

...thank you Kerten.

...yep, '70 Stage1/GSX, manual or auto no air. Air would have gotten SW, Buick's biggest radiator '69-'71...

 

Is the "SW" tag reproduced (I'm being lazy here)?

I just found that my car has an incorrect SW (XS - D pass. tank) installed. I know it's not orig. to the car but it has no tag - Given the April date it's likely from an A/C GSX (I assume there's no way to tell the tank's year). Was a rather nice discovery. It's supposed to have an SJ & I have a spare "CF" tank although I'd like to find an October "CF" tank (K unless I was used on radiators? Then I'd need a J tank).

Thanks to this thread there was/is no longer any mystery. It's nice to finally have an understanding of the radiators.

 

The parts place reproduces the SW tag but it is not made out of spring steel.

If you simply put it on it will fall off and you will need to buy another one.

If you solder it to the tank the tag works fine.
Duane

 

I am a little lost here, can you tell me what year’s info you still need.

Do you have the early and late 70 info, they are different.
Duane

 

Thanks. Do you recall if they used "I" in the radiator date codes (I literally have your book sitting right here). I know in general it's not used but I thought there were a few exceptions.

 

I think the one I have is L - Nov.


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...not surprising since we have over 150 posts in this thread.

I now have '68-'72 AM radiator assy pages as follows;
'68 - 15 revision record dates, last 4/3/68
'69 - 5 dates, last 3/9/69
'70 - 12 dates, last 4/14/70
'71 - 7 dates, last 3/11/71
'72 - 5 dates, last 11/3/71

There are 6 radiator codes I don't have tank codes for; SE, SK, CA, CF, CL, and CR, and need to verify CL as no trans cooler, and is CR a 2-row? If can get all tank codes, can prove/disprove assumption all Buick radiators used an IA tank. The SK 3014621 was rare (for Buick) '69 only radiator.

You mention early/late difference for '70. Wouldn't this be reflected in revision record, provided I have late enough radiator assy page? All but '72 page appear to be late enough in respective model year. They post-date Stage1 and GSX intros. I would like to have a clearer '69 radiator revision record to see if SK was replaced during model year, since it was 1-year-only.

Any help would be much appreciated...

 

You can see the radiators/parts that were changed with the revisions but you might not get all the differences they associated with the various models.

The 70 early radiator chart is very different then the later version.

The late 70 chart added the GSX info and they are showing different codes for the X’s.

I will see what I have.
Duane

 

...still need tank codes for the 6 radiator codes in post #153. Additionally, would someone with a '72 Assy Manual look thru Section 0-12 Availability Table, second column (Sales Code), for codes I6, I7, and IG, and scan results. I'm trying to fully understand what Buick was doing in '72 with cooling options, especially given I3 option was cancelled. Does anyone have a clear copy of '69 Assy Manual page 11-5.4 with legible Revision Record? Can't quite make out writing in parens on last line...

...would like to see differences, I'm seeing SJ and SW for Stage and X...

 

Here are photos of a ‘72 CA and CF radiator. Notice that the CF radiator still has the white paint highlighting the CF code. You’ll see this on low mileage original Harrison radiators. It made it easier for the assembly line workers spot the code.

CA has IA & AA tanks
CF has IA & AD tanks

Both radiators were removed from ‘72 Skylarks that I bought from the original owners. Both were 350-2, TH-350, A/C, and neither car has the HD cooling option. The CA radiator is from a car invoiced 8/26/71 and the CF radiator is in a car built in July ‘72.

 

...thanks Gary, I'm within 4 rad codes of being able to say all '68-'72 rads used IA tank, also since CF used same core as biggest '69-'71 SW, makes it same for '72. Interesting that you say CF was from A/C non-HD cooling. Chart shows for combo you described, CF car should have had HD cooling. Since it's such a late build, maybe CF was a substitution.

Now I'm down to needing tank codes for SE, SK (rare '69-only I don't expect to get), CL (for manual trans so shouldn't have trans cooler), and CR (which I suspect is a 2-row)...

 

I double checked the documentation again and the car with the CF radiator was built the first week of July 1972 and was not ordered with HD cooling. I bought the car almost 20 years ago from the original family and the car only had 25k miles. Except for a new set of tires the car was virtually untouched and still had the original belts, hoses, etc. It was a real time capsule.

Thanks for taking the lead on gathering and organizing this detailed radiator information.

 

69 assembly manual Page 11-5.4

The list revision line says (2-places)

It is referring to the 2 places on the drawing where revision “E” is called out.
Duane

 

Not sure if it is any help but my 67 has a AF tank on the right side (pass side).


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...that I understand. I'm trying to read what's written after ""SU TO SW," and does "SU TO SW" mean that on 9/4/68, SW superseded SU. It's "SU TO SW" I need to understand.

SU rad only used '68-'69. It was for non-A/C HD cooling (I7), and in '69, also for non-A/C Stage1. A/C + HD cool got SW, as did A/C Stage1. Ultimately, I want to know if SU was phased out on 9/4 per Revision Record, and since Stage1 intro was 12/2, that would mean non-A/C version never got SU...