The 1969 A12 cars have two SPDs for all of them, is that right?

Everyone knows not all of them were not all built on those two days, right?




All Superbirds have one SPD, right?

Everyone knows not all of them were not all built on the same day, right?



The SPD has nothing to do with the actual build day unless it just happened by accident.

Even then, there is no way to know the actual build day unless you have a newer model with the MDH Mylar door stickers or some other record that actually notes it (or alludes to it). The few I have been able to check so far have been off from the SPD.

As always, research continues.

Barry do the Mylar door decals have the actual day or just the month and year?

It depends on the model year.

Let me dig up a link on the MDH / Month Day Hour stickers, it seems like they started in '73, back soon.........

I was close, very late '72 & all '73 models;

http://www.hamtramck-historical.com/images/TSBs/1972/25-09-72C%20page_1.jpg

http://www.hamtramck-historical.com/images/TSBs/1972/25-09-72C%20page_2.jpg

For those with these labels among us, can you post the SPD from your fender tag / broadcast sheet & the MDH on your door sticker please?

Wow! That's amazing that Chrysler put the MDH of production on the FMVSS/CMVSS label because from what I know about that label it is only mandatory for the month and year at the top; hence the "ON THE DATE OF MANUFACTURE SHOWN ABOVE" and no reference to the lower right MDH info.

The month and year were only required because laws and regulation came into effect always on the first day of a month (i.e., Head restraints as of January 1, 1969, etc.) and not as of some random day during a month.

But still it's kind of a moving target because the bulletin states the MDH will be determined "at some point of production" but still that narrows it a lot because there would be very few cars that got started on say a Friday of a long holiday weekend and were finish on the following Tuesday. How many hours from Body-in-White until it rolled off the end of the production line.

Just re-thinking at which point they may have put the FMVSS/CMVSS label on with the MDH info.....possibly when they installed the last component regulated by the Federal Motor Vehicle Safety Standards on the car so they knew which cars they might be ordered by the Feds to recall. Could have been the wheels and tires, the wipers, or whatever was in these regs as of 1973 (I think up to FMVSS 214 back then).

Take a look at PART 566 and then PART 567 kind of goes with the GVWR on the label in the bulletin you posted.

http://www.nhtsa.gov/cars/rules/import/FMVSS/index.html#SN202

I am quite certain that the Mylar labels were one of the last things to go on the car before they were driven out of the plants.

I'll try and see if that area is visable on my sticker. I'll let you know.

I forgot to look last night but I let someone from CC.com know about the MDH and he looked on his early production 73 Cuda. The MDH is 101810. The SPD is A26 and the door sticker says 10-72.

He is the origonal owner and he said he picked his new car up at the dealership on October 30th.

In most cases the SPD was the date they hoped to build the car when the order was first entered into the system.

Cool to see the example above being built 8 days early.

I went home early today so I looked at the VIN sticker for my car and it has a misprint on it.

SPD is 927
VIN sticker says 10-72
MDH is 121216 (I assume it should read 101216)

I'll have to look and see if there was a date written on the warrenty card my dad signed when he picked up the car.

Great stuff Barry and this certainly explained the mystery of the two 'cuda buildsheets we spoke of. I was surprised to see a 'cuda at Carlilse with an SPD of 418 (1970) which I know was a Saturday!!!

Images courtesty of Moparts member BossRide, note the Scheduled Production Date on the fender tag of 710 for July 10, 1973;

Now note the actual date the car was built, check the MDH (Month Day Hour) code on his Mylar door sticker, it shows 07th Month, 12th Day, 18th Hour - two days after the SPD on his fender tag, so this car was built late.

I think it got delayed two days because of the week before the 4th of July was on a Wednesday and everyone took off on Thursday and Friday because they were too hung over and partied out...what do ya think of that scenario carry on just having some fun


MikeR

Do Canadian plant workers celebrate the 4th of July?

Quote:

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carry on just having some ice cold Molsen

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Another one from BossRide, this one has a much larger gap in dates. SPD on the fender tag is 616 for June 16, 1973;

MDH for the actual build is 16 days later!
It shows July 2, 1973;

Wow, that is later... thanks!