The build date project

[FirstOwner69]

I don't have a build sheet for my Fremont built '69 (9Z833099), and '69s didn't have the door jamb stickers. But, after I bought the truck I noticed that my CST was missing some things (lighted deluxe side markers, cab headliner and cargo light) that were on other '69 CSTs I'd seen. I called GM, and they said those things were added during the model run after my truck was built. If I recall correctly, the build date they gave me was toward the end of the second week of December, 1968. The actual date may have been Friday Dec. 12. My truck was produced about 800 before another Fremont truck (9Z833902) on your list with the 12/5/1969 build sheet. Any estimate of what the lag time is between build sheet issuance to actual build, or how many trucks were built per day?

[geunther]

Originally Posted by FirstOwner69

Any estimate of what the lag time is between build sheet issuance to actual build, or how many trucks were built per day?

There are quite a few variables, too many to be accurate. However, for Freemont in 1971 where we have two build sheets, there looks to be about 7,761 units per month from the end of January to the end of June. You can extrapolate from those number to get a VERY rough estimate of 258.7 units per day (considering 30 working days per month)

Originally Posted by Happy_dan

Location of build date

Apologies, I responded before realizing the year of your vehicle.

[Steeveedee]

I don't have the FMVSS plate below the weight plate, or the blue sticker? It's a repaint ("same" colors) so maybe that's where the blue sticker went. Once enough numbers come in, one could interpolate a build date.

[57taskforce]

Originally Posted by Steeveedee

I don't have the FMVSS plate below the weight plate, or the blue sticker? It's a repaint ("same" colors) so maybe that's where the blue sticker went. Once enough numbers come in, one could interpolate a build date.

That’s exactly one of the hopes here.

[71CHEVYSHORTBED402]

Originally Posted by FirstOwner69

I don't have a build sheet for my Fremont built '69 (9Z833099), and '69s didn't have the door jamb stickers. But, after I bought the truck I noticed that my CST was missing some things (lighted deluxe side markers, cab headliner and cargo light) that were on other '69 CSTs I'd seen. I called GM, and they said those things were added during the model run after my truck was built. If I recall correctly, the build date they gave me was toward the end of the second week of December, 1968. The actual date may have been Friday Dec. 12. My truck was produced about 800 before another Fremont truck (9Z833902) on your list with the 12/5/1969 build sheet. Any estimate of what the lag time is between build sheet issuance to actual build, or how many trucks were built per day?

I think you can guess on the # built per day number for approx. provided you have a range to work with. For instance I'm not sure the build month on my C20, but there's enough data here to show very much approx. 6k Fremont per month during the period. So far it's enough to know the truck was built in Feb. or Mar. 72. Nice to see you first, been a while.

Edit, at another glance with an additional VIN added for 1972, looks closer to 7kish per month for Freemont. My 72 was likely given birth in March 72, still can't say for sure.