1966 327 L79 Radiator - Chevy Nova Forum
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Old 8th-January-2013, 09:06 AM   #1
TomsNova
 
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1966 327 L79 Radiator

Well here we go again, pulled the new radiator out of the box that came with this car and from pictures I have seen for the 66, L79 cars, my center fill Harrison radiator is wrong. What are my choices? Has anyone been able to purchased a new Correct radiator for the SS L79....?
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Old 8th-January-2013, 09:19 AM   #2
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Explain! What is wrong with it.
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Old 8th-January-2013, 09:26 AM   #3
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The fill point is in the middle and should be to the left where the top support rail has an area formed from the factory for the inlet. Also, the top hose inlet is around four inches toward the center of the radiator and cannot use the correct GM formed hose.
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Old 8th-January-2013, 09:36 AM   #4
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Tom,
Do you have a picture to post? Chevy II Only sells a correct "type" of radiator, but it is not a Harrison. Where did your radiator come from (a name on the box).

Jerry in KY
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Old 8th-January-2013, 09:40 AM   #5
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This looks to be correct



This is from what I'm told, incorrect and the radiator I have now


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Old 8th-January-2013, 09:46 AM   #6
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Hi Jerry, There was no name on the box and I just found Chevy II only's radiator but at $350.00 and no Harrison stamp I'm asking if anyone can steer me toward a Harrison stamped radiator
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Old 8th-January-2013, 09:52 AM   #7
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I would say the bottom Harrison radiator is correct and the top picture is a aftermarket radiator. Usually the radiator support will have an indention (near radiator fill) in the center along with one slightly to the right on the passenger side. The top picture doesn't seem to have both.

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Old 8th-January-2013, 09:58 AM   #8
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Doesn't the bottom pic. look like a 3 core,
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Old 8th-January-2013, 09:58 AM   #9
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You have the correct radiator.

The problem arises from RPO V01, which Chevrolet specified as mandatory when the L79 engine was ordered. Every ORIGINAL U.S. built L79 that I can remember has had the center-fill, heavy duty radiator. At some point, people restoring L79s found that there was another HD radiator option that some felt had additional cooling. The next thing I knew, L79s were popping up everywhere with the 'other' radiator, which has the filler on the passenger's side. As far as the 'indention' goes, I can only assume that the people who switched radiators also switched radiator supports.

To be fair, I guess it's possible that Chevrolet could have run out of center-fill HD radiators at some point and substituted the other ones. I'm relying on 47-year-old memories here from the time these cars were built. The first 327 Nova we owned was an L30 while most of my Nova buddies had L79s - and we did a lot of comparing... The L30 did not have HD cooling and thus had a side-fill radiator.

My L79 has the center-fill radiator and I checked my build sheet to see how it was equipped. Sure enough, there was the V01 code in black and white. And, if you look in the assembly manual, you'll even see the L79 option illustrated with the center-fill radiator.
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Old 8th-January-2013, 10:09 AM   #10
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I am sorry about the picture i posted as an example. Here is a picture of what my radiator looks like. I believe it is "incorrect" because you can see this radiator has the center fill location and the top radiator support rail has an indentation formed at the factory for an off center (left) fill point and radiator cap clearance


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Old 8th-January-2013, 10:13 AM   #11
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Well Dave, if thats correct you just saved me some money! I just dont understand the formed rail location?
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Old 8th-January-2013, 12:35 PM   #12
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Would A/C have anything to do with the different radiators? L-79 come with air?



http://www.stevesnovasite.com/forums...1&d=1357665950



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Old 8th-January-2013, 11:04 PM   #13
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Quote:
Originally Posted by TomsNova View Post
Well Dave, if thats correct you just saved me some money! I just dont understand the formed rail location?
Geeezzz... now I feel like the guy who tried to dig his way out of the hole!

After I wrapped up all of today's honey-dos, I needed to run the extension cords for the Christmas lights down to the big garage. Just for fun, I grabbed a camera, thinking I'd take a photo of the radiator in my car. What I found really surprised me! The darn radiator support has TWO indentions! When I got back up to the house, I dug out the '66 assembly manual. Much to my surprise, it only showed ONE part number for the radiator support (no difference between sedans, coupes, wagons, heavy-duty cooling, etc.). Now, you'd think that since I've owned this car for over 40 years, I'd have taken note of the two indentions, but I never questioned it!

All that makes for an easy explanation of how Chevy did it, but now I'm MORE than curious about all the cars I've seen with just either a center or offset indention!

Maybe we need to take a poll! I'm certainly not able to explain it.

Photo of my radiator below (please don't look at my dirty engine or my aftermarket radiator cap!! )


Quote:
Originally Posted by 67 Nova Boy
Would A/C have anything to do with the different radiators? L-79 come with air?
Sorry... I got so wrapped up in posting the photo, I forgot about answering your question. Yes, the L79 option was available with air conditioning, although there were very few examples so equipped. I think I'll try to go out on the site and hunt down the under-hood photo of the black a/c car and see if the radiator is visible.
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Last edited by Dave B.; 8th-January-2013 at 11:12 PM. Reason: Answer second question.
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Old 8th-January-2013, 11:35 PM   #14
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Just looked at my 66 wagon. It has two dimples also.
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Old 9th-January-2013, 04:33 PM   #15
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Sorry I got in on this late guys, but have been on the road for the last few days (yes, it's sunny in Palm Desert and 76F today). I agree with Dave, Tom you have the correct rad. The vast majority of the L79s in my pic album have the center fill unit, which is the HD rad they came with. Of the pics that show the core support, again the majority have double indentations.

Bob
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