[70RAlll]

Automatics had a "CU" passengers side tank and Manuals had a "CV" passengers side tank. GM was notorious for using "parts that fit" when they were short just to keep the production line moving. Like the sway bars on 70-71 TA's that we have discussed. I could easily believe GM ran out of CV manual tanks and just plugged the opening for the tranny cooler on auto tanks and installed them on manual cars. Easily.. That is probably what you guys are seeing here with original tanks with plugs. BUT...CV is a manual specific tank and CU is an Automatic specific tank.....

[SD73]

Originally Posted by Held for Ransom

Sorry to drag up an old thread, but I thought I would add my pictures to the question.
'74 Formula, A/C, 4 speed.
3030109 is the original P/N.
IF is the 4 core tank on the drivers side.
CV is the manual 4 core tank on the passenger side (Greg, yours is an auto so AE is correct).
FA is the pick code (for assembly line personnel).
And, I believe, 156 is the actual 4 core config (center section).

Roger, as you can see, I have no plugged auto holes.

Hello guys, I'm dragging this old thread to the top. I'm trying to see if I have the right radiator for my SD. I have two to choose from and neither have the radiator tag, but both have visible tank Codes. HFR has identified both codes here, and in another thread for me. I have both a radiator with an AE tank code and another with a CU tank code. Would either of these be correct for the FW Radiator Tag Code that a 73 SD Auto no Air should have?

I may have a spare radiator after I determine both year applications here.

Thanks

[165th]

This may help. Here's the tank code and tag off of a 38,000 mile unrestored '72 Trans Am automatic with air:

Tank code: AE

Tank tag:
1A
AE
128
FI

[SD73]

Thanks for that info 165. Can we say that these tanks were used on at least 72-74 cars with HD radiators, or am I reading to much into that?

If anyone has a '73 with an AE or CU tank I'd sure like to find out what applications those fit. Actually any years with those tank codes because I'll probably need to get rid of the extra.

[Held for Ransom]

We're talking about an SD car? Do you list HD cooling on PHS or was it standard fare? Where did you get the FW code from?

[SD73]

Originally Posted by Held for Ransom

We're talking about an SD car? Do you list HD cooling on PHS or was it standard fare? Where did you get the FW code from?

I got the FW code from my '73 parts book as correct for my SD. I'm ASSuming that's correct? That's list for both HD Cooling and AC Cars. FU is listed for Std Cooling.

I do have an Option listed as Radiator-HD w/v01 code on my PHS. And my build sheet shows a listing of FZFC in the Radiator box. The AE was in the car when I bought it and I thought it may have been swapped because the tag was missing. I picked up the CU from the salvage yard a few years back thinking that may be correct for my car as it was from an AC car, but I don't recall the engine it had.

[Held for Ransom]

The actual tag you are looking for is the FC one (as SD's were built at the end of model year, they were using the '74 codes). It has FC IF AE and 156 on it.

[SD73]

Originally Posted by Held for Ransom

The actual tag you are looking for is the FC one (as SD's were built at the end of model year, they were using the '74 codes). It has FC IF AE and 156 on it.

Great info! Can I ASSume the one I have with the AE tank is the correct unit for that car?

[Held for Ransom]

I just looked at the Service Manual and it did state the FZ should have been for the LS2 and it changed to the FC when stock was depleted (hence the two sets of codes in the box). Yes, you should be able to use the AE radiator. I can't assume whether it's the correct one or not. Was there anything left of the tag?

[SD73]

Originally Posted by Held for Ransom

I just looked at the Service Manual and it did state the FZ should have been for the LS2 and it changed to the FC when stock was depleted (hence the two sets of codes in the box). Yes, you should be able to use the AE radiator. I can't assume whether it's the correct one or not. Was there anything left of the tag?

Tag was MIA. The previous owner did say he had it serviced at some point so I'd bet the rad shop lost it. Is the CU I have also correct for this app? It appears to have the same 4 flow vents inside it too.

[Held for Ransom]

Maybe, if a FZ tag had the CU listed on it. Dadsformula had one for sale a while back but I don't know if it had a picture of the tag. And, I don't know where TPP (The Parts Place, Inc.) got the info to repro a FZ tag.

[SD73]

I didn't even realize they were popping the tags. I'd guess the AE is original to that car. I'll check if they repro that tag while I have it out anyway.

[SD73]

A heads up to anyone looking. I see that Ames has the tags for FS and FP radiators. I'm still looking for partsplaces tags....

[Held for Ransom]

They list it as a '71 tag and it uses the '71 FS codes.

https://www.thepartsplaceinc.com/Pop...D=CS10486F.jpg

[SD73]

Originally Posted by Held for Ransom

They list it as a '71 tag and it uses the '71 FS codes.

https://www.thepartsplaceinc.com/Pop...D=CS10486F.jpg

I found a pic of the repop FZ, it has the CU code on it. The FS has a CU also. I'm hoping I can find an FC tag with an AE on it as I'd bet that is what my car had. That is if like you say, these tags are done accurately.

[Held for Ransom]

Here is a '73 Firebird base 455/auto, HD or AC 350/auto radiator tag. 3027948 (has a 3 on the end, I wonder if that was for the year) FU IU AE 112. 3 core (w/4 core PS tank).

[eaglesan13]

This is the tag off my 71 trans am. It's the original radiator. Is the "112" the code for the radiator core?

Also, I have a 70 radiator I want to get recored, but the tag is missing. I see that the Parts Place sells tags, does anyone know what the core code would be for a 70 FP radiator (tank codes IF and CV)?

[Held for Ransom]

112 is the core.
'70 FP IF CV 91 are the correct codes.
Repro by TPP (of course, do not order from link. Wrong tag pictured.).
http://cgi.ebay.com/ws/eBayISAPI.dll...m=350999943591

[eaglesan13]

Yea, I saw that the picture on their website was wrong, thanks for the eBay link.

Originally Posted by Held for Ransom

112 is the core.
'70 FP IF CV 91 are the correct codes.
Repro by TPP (of course, do not order from link. Wrong tag pictured.).
http://cgi.ebay.com/ws/eBayISAPI.dll...m=350999943591

['ol Pinion head]

Originally Posted by necdb3

72 T/A 4spd did not have auto trans cooler with plugs. This is the original rad to my 72 TA 4spd

Refreshing my comments on old old post. Figured out since my initial post in this thread, 12 years ago, that the Harrison 4 core radiator that was in my '72 T/A was not original, but had been swapped in. The dime sized screw in plugs for gutted automatic tanks were occasionally used by Harrison, have ran across them quite a few times, but since no factory 4 core radiators were avail in '72 Birds, no possible way the prev radiator is original.