BB Radiator ID Help - Team Camaro Tech
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post #1 of 43 (permalink) Old Sep 1st, 02, 06:54 PM Thread Starter
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Neal
 
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I'm looking for an original Harrison radiator for a 69 Camaro 396/375hp with manual transmission. I understand the tag has "ZD" but what do the tanks have stamped on them? I've heard several different things and I would like to know the "facts" so I won't get burned.
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post #2 of 43 (permalink) Old Sep 1st, 02, 10:00 PM
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What tanks are you speaking about?

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'69 SS 396/375hp L78 M21 3.73 Fathom green/medium green interior

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post #3 of 43 (permalink) Old Sep 1st, 02, 10:23 PM
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Tanks are the same, L6 to L72. Only difference is manual or auto.

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post #4 of 43 (permalink) Old Sep 2nd, 02, 08:14 AM Thread Starter
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Neal
 
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Bob, I'm talking about the tanks on each side of the core.
Do the tanks have any stamping on them besides Harrison?
I know the radiator I need is a 3 core and the tanks are the 4 core size. I was told one tank is stamped "OO" and the other is "IL" but I think that is for a '68 BB car. Does this radiator not have "ZD" stamped on the tank besides the tag?
Does anyone on this site have a manual 396/375 BB with an original radiator tank?
I have looked for this information in several books but there is no mention of this. There has to be a way to identify the radiator besides the tag, surely.


[This message has been edited by NealM (edited 09-02-2002).]
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post #5 of 43 (permalink) Old Sep 5th, 02, 04:38 AM Thread Starter
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I find it hard to believe no one on this site knows the answer to this question.
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post #6 of 43 (permalink) Old Sep 5th, 02, 05:04 AM
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Neal, I agree that the amount of radiator info is scarce. From what I have seen of small blocks, the Harrison tanks are all the same, only the core size, manual or auto tanks and panels that the core mounts to the tanks are different. The Harrison tanks have "Harrison" stamped in the tank on the side near the cap. the "cold fill" is also stamped. Other than the tag, that's it. Non-Harrisons have different ribbing, tank supports, cap angle and location of overflow nipple.

I suggest you do what I plan to do. Find ANY Harrison 1st gen 4 speed radiator (no trans cooling fittings) and have a reputable shop recore it to your specs using the Harrison tanks (make sure they understand that the tanks are very important!). The tag just clips on, so don't give them that, keep it to yourself.

Since you are having it recored anyway, go up 1 row size for comfort. You really can't see the number of rows when it is installed.

Luck, Kevin

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[This message has been edited by KevinW (edited 09-05-2002).]
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post #7 of 43 (permalink) Old Sep 5th, 02, 10:36 AM
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<BLOCKQUOTE>quote:</font><HR>Originally posted by NealM:
I find it hard to believe no one on this site knows the answer to this question. <HR></BLOCKQUOTE>

I'm not sure what was unclear in my response. All the tanks are the same 'cept for auto/manual. Find a L6 radiator and use it's tanks and you're set.

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post #8 of 43 (permalink) Old Sep 5th, 02, 11:22 AM Thread Starter
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Neal
 
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Kurt,
Are you sure about this?
I have talked to several people and all say there are stamped letters on the tanks along with the name Harrison. I have also been told that there are two different size tanks, one that is a 2 core size and a 4 core size. Maybe I have been misinformed, that's what I'm trying to find out.

[This message has been edited by NealM (edited 09-05-2002).]
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post #9 of 43 (permalink) Old Sep 6th, 02, 03:46 PM
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I have a original Harrison Radiator in one of my 1968 Nova SS 396 cars,ZD on tag IL OO on side tanks,3 core.4 cores were COPO or A/C cars.This is true for 68 and 69 cars.Have original 69 Nova 396/375 car and rad is same.
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post #10 of 43 (permalink) Old Sep 6th, 02, 04:11 PM Thread Starter
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Thanks 68Baldwin,
You are the third person that has told me that. I have talked to quite a few people and this seems to sound "correct". There is not alot of information on this subject. I'm suprised CRG doesn't have this info.

By the way, is the "IL" on the fill tank and "OO" on the drivers side tank?

[This message has been edited by NealM (edited 09-06-2002).]
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post #11 of 43 (permalink) Old Sep 6th, 02, 06:04 PM
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Neal, I saw your post over on yenko.net too. You've peaked my interest, so I pulled my 2 SB Harrison rads (2 core and 3 core 21") out of the shelf and looked closer. The pass side has the OO like the rest, but the drivers side has an HI or IH depending on which way you look. Maybe you are on to something about BB tanks being different. Or at least on the drivers side. Where the IL tanks the curved neck ones?

Kevin

[This message has been edited by KevinW (edited 09-06-2002).]
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post #12 of 43 (permalink) Old Sep 6th, 02, 07:33 PM
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I didn't say there wasn't stampings in them, just that they are the same.
4 core are different (forgot that), but my Z rad has the same tanks as the L6 auto rad I have. And all others I've seen. And the same as what you need.

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post #13 of 43 (permalink) Old Sep 7th, 02, 09:51 AM
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There's also part numbers on the ORIGINAL radiator tags.The flat spot where the clip side is to fasten to tank is where it will be found.Clean and scrape very carefully and you will find it.I have a original Delco Remy catalog that has Harrison Radiators in it and my part number for my Nova Original Radiator tags match in the book,68 396/375 3 core.I will check the location of the IL and OO and post the imfo.
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post #14 of 43 (permalink) Old Sep 7th, 02, 10:22 AM
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68Baldwin,

I found the "OO" as everyone is talking about (on the passengers side), but the only thing I can see on the drivers side is one letter "R". (I also found the "Harrison" and the "Fill Cold" on the passengers side.) In addition, I also found a tag (upper passengers side corner on the front of the radiator) that says:

Made in USA
60 107
3R 10187

Nothing else. Any hints on what I've got?

Thanks
Ed


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post #15 of 43 (permalink) Old Sep 7th, 02, 01:03 PM Thread Starter
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Neal
 
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You have a CLONE HARRISON RADIATOR! just kidding

I have yet to talk to anyone who knows what the letters are for.

So far I have seen:
OO 3 core BB
OI 4 core BB curve neck
IL 3 core BB
IH ? core SB

I think the "R" is on the bracket that mounts to the tank.

Maybe some other people will post their
letters and we will start to see a pattern.
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