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-   -   Seatbelt date to build date (https://www.yenko.net/forum/showthread.php?t=168817)

luzl78 09-12-2021 02:46 PM

Seatbelt date to build date
 
Is it common to have a sept 69 build date with a jan 69 seatbelt date?

X66 714 09-12-2021 04:01 PM

Deluxe & standard belts might make some differences as well as Norwood or LA. Color might make a difference also. My Aug 28th of 1969 Norwood car has deluxe dated B & C. Just an example....Joe

luzl78 09-12-2021 06:16 PM

Deluxe blue belts built in Framingham

firstgenaddict 09-12-2021 06:37 PM

Deluxe Blue could without a doubt be that far apart.

For example... 1969 Chevelle All plants All models - less than 1000 units in all color deluxe belts with well over 400,000 cars built.
Dlx in Blue Green Red and Black - with most units being Black -even parchment got black belts.

R68GTO 09-12-2021 08:26 PM

My original belts from a Norwood Sept. 69 build are 36-A-69 and 37-A-69.

firstgenaddict 09-12-2021 09:07 PM

Quote:

Originally Posted by R68GTO (Post 1562960)
My original belts from a Norwood Sept. 69 build are 36-A-69 and 37-A-69.

If January dated black standard seat belts were in a September built car it would be HIGHLY suspect as the cycling time would be quick, given the numbers - there were probably 200,000+ cars built with black std seatbelts.



Blue dlx Chevelle belts, total units may have been 200-300 total.
Cycling through them would have been at best infrequent.

luzl78 09-12-2021 11:24 PM

Sounds good guys. They’re from my 70 monte

Kurt S 09-13-2021 01:57 AM

Not likely in a 69 Camaro, but plants varied.
Camaro deluxe belts were only 10% of production, and as James noted, the colors were even lower production.
The data I have shows the they shipped small batches as needed - and they could be sitting for up to 3 months between batches.

R68GTO 09-14-2021 02:05 AM

[QUOTE=firstgenaddict;1562963]If January dated black standard seat belts were in a September built car it would be HIGHLY suspect as the cycling time would be quick, given the numbers - there were probably 200,000+ cars built with black std seatbelts.

My understanding of belt date codes is the 1st two numbers represent the week of the year. So my belts would have a date of the 36th and 37th week of 1969, which would put them in September about 3 weeks before build of the car. All my sheetmetal was stamped the 37th or 38th week of 69.

X66 714 09-14-2021 02:14 AM

[QUOTE=R68GTO;1563118]
Quote:

Originally Posted by firstgenaddict (Post 1562963)
If January dated black standard seat belts were in a September built car it would be HIGHLY suspect as the cycling time would be quick, given the numbers - there were probably 200,000+ cars built with black std seatbelts.

My understanding of belt date codes is the 1st two numbers represent the week of the year. So my belts would have a date of the 36th and 37th week of 1969, which would put them in September about 3 weeks before build of the car. All my sheetmetal was stamped the 37th or 38th week of 69.

Thanks for posting that. I had the info wrong. Here's a link http://www.camaros.org/seatbelt.shtml

firstgenaddict 09-14-2021 02:26 AM

[QUOTE=R68GTO;1563118]
Quote:

Originally Posted by firstgenaddict (Post 1562963)
If January dated black standard seat belts were in a September built car it would be HIGHLY suspect as the cycling time would be quick, given the numbers - there were probably 200,000+ cars built with black std seatbelts.

My understanding of belt date codes is the 1st two numbers represent the week of the year. So my belts would have a date of the 36th and 37th week of 1969, which would put them in September about 3 weeks before build of the car. All my sheetmetal was stamped the 37th or 38th week of 69.

I was stating that your seatbelts are PERFECT for your car - black standard belts should be dated very close to the build date of the car, there were 200,000+ sets of black standard belts installed whereas - I noted and Kurt re-iterated blue dlx would be a fraction of total Deluxe belts - I speculate maybe 1000 sets between two plants.
Because there were minimum number of sets ordered at a time and they rarely cycled through them, there would be infrequent replenishing.
Infrequently replenished rarely used items such as deluxe blue red and green belts often have dates of manufacture which lead the build date of the car by significantly larger margins than black standard seatbelts which were installed day in day out every other minute... nearly every car on the line.

luzl78 09-14-2021 02:42 AM

Yea. My belts are 9 months apart. Car’s histories are cool.


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