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The Truth About 1977 Corvette's 52L Yellow (Read 385 times)
Dec 2nd, 2016 at 10:29am

GoGo77   Offline
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As you know, the order code 52L paint (GM paint code WA4406) was sprayed on only 71 units of 1977 Corvettes. The cars were built early in production, which means late 1976. This color was used only on Corvettes in the 1977 model year. Do not confuse this 52L code with any other year of 52L. The 1978-79 Corvette used order code 52L Yellow but was GM paint code WA8067, while the 1980-81 Corvette used order code 52L, GM paint code WA7196.

As you also know the 52L code was discontinued after those 71 units and was replaced by order code 56L, paint code WA4669. This replacement Bright Yellow was used on 1975-76 Corvettes and also coded 56L. However, the 1975-77 56L was not the same color as the 1974 Corvette 56L, which was paint code WA3893. Interestingly, WA3893 was also used on Corvettes in 1969-70, but coded 984 and called Daytona Yellow. Yes, it is confusing because GM uses order codes over and over for different paint colors.

But, the take-away to remember is that 1977 52L was only 71 units, while 1977 56L was used on Corvette from 1975-77.

OK, here is where it gets very interesting:

There were TWO 52L colors for the 1977 Corvette and both were yellow. The TWO shades of Yellow totaled 71 units. Which means, of course, that there were three Yellow colors used on the 1977 Corvette.

The early shade of 52L was PPG code 2988.
The late shade of 52L was PPG code 2998.

Who says? Not me. PPG says so.

In January of 1977, PPG issued Jobber Bulletins CH-1 and CH-2, which laid out the changes in Yellow. In fact, the first 52L Yellow color ended production at VIN 6002.

Now you see why I was asking about the latest VIN for a 52L Yellow 1977 Corvette.

How many 52L Yellow 1977 Corvettes were built after VIN 6002?

PPG says only this: the second shade had "a very limited production."

Because of the early change, GM decided to keep the 52L code, even though the color changed.

I talk more about it (about a page) in my Corvette book with the dark blue cover (All 2005-2008 Corvette Colors, on Amazon).

Considering other years of Corvette production, the "limited" amount may have been only three to seven units.

I wonder if any of those post-VIN 6002 52L Yellows are still around? Now that would be the rarest of rare!

I hope you enjoyed the history. I love this kind of stuff.

If you like Corvette colors, you could check my Twitter site:

https://twitter.com/allvettecolors
« Last Edit: Dec 3rd, 2016 at 8:44pm by GoGo77 »  
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Reply #1 - Dec 2nd, 2016 at 10:32am

GoGo77   Offline
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Oh, by the way, if you visit my Twitter site, the banner across the top has a Chartreuse fuel door.

Scroll down a bit and you will see a photo of the 1977 Chartreuse Corvette at GM Proving Grounds in Mesa, Arizona.
 
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Reply #2 - Dec 2nd, 2016 at 10:53am

68-73-77   Offline
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I ordered some touch up for mine (52) & it didn't match so who knows...
Alan Smiley
 

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Reply #3 - Dec 2nd, 2016 at 11:02am

GoGo77   Offline
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Alan,

This may be the reason your 52L touch up didn't match!

If your VIN is pre-6002, you need to ask for PPG 2988.

You may have been given PPG 2998.

To the paint shop counterman, the 52L code does not help!
 
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Reply #4 - Dec 2nd, 2016 at 5:06pm

GoGo77   Offline
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Here is the PPG Bulletin:
 
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Reply #5 - Dec 2nd, 2016 at 6:10pm

GoGo77   Offline
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The Bulletin is a little strange to understand. You have to read the last paragraph first. Work your way up the document.
 
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Reply #6 - Dec 5th, 2016 at 1:47am

ve77er   Offline
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Alan,
I once had some touch up I went to an Automotive paint store they used a machine called a "Prophet" IT gave them all they needed to mix the proper color
..................Chris  Smiley
 
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Reply #7 - Dec 5th, 2016 at 11:54am

68-73-77   Offline
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I have a local paint shop that uses a laser to match the paint just figured it'd be easier to order the touch up "NOT". Looks like I have the 2988 code
Alan Smiley
« Last Edit: Dec 5th, 2016 at 12:02pm by 68-73-77 »  

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Reply #8 - Dec 8th, 2016 at 6:50am

68-73-77   Offline
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So now I assume that my 77 is one of less the 71? Wonder how many  were painted in the 2 52 codes.
Alan Smiley
 

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Reply #9 - Dec 13th, 2016 at 10:01am

GoGo77   Offline
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Well, you are wondering what I have been asking!

As the Bulletin indicates, "2998 was used on cars AFTER serial number 1Z37L7S406002."

So, beginning with car 6003, there was a "very limited production" of the SECOND code 52 Yellow, PPG code 2998.

So, my original query is still pertinent:

Did anyone keep a list of VINs for the 1977 52L Corvettes?

Were any of those VINs AFTER VIN 6002?
 
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