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Old 12-04-2020, 10:37 AM   #26
57taskforce
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Re: The build date project

Done X4. Thanks guys!
Carl, nice detective work if any of you see any of this info here or elsewhere on the net post it up.

Jim, I wish SSTim still came around. He was the master at this stuff. I’m not sure honesty how many came off the line in an average day. I wonder if Keith Seymour could help there? I put you date as best educated guess basically. As more dates and vins fill in hopefully we can nail it down better.

Happy_dan, if you’ve got a build sheet that’s going to be your best bet for the build date. If not we’ll just have to wait for more vins and see how everything falls. I don’t think the earlier builds had the blue sticker on the drivers door.
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Old 12-04-2020, 10:58 AM   #27
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Re: The build date project

Correct, no blue label on the 68 I guess. I have the truck on the lift right now (pulling motor to change all seals etc) so I can't get under the seat. I will try to do that as soon as the motor is out and I can push the truck back from the lift posts.

This is all that is on the door jamb. Not sure if that is from factory or not?? Maybe someone here knows?

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Old 12-04-2020, 11:03 AM   #28
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Re: The build date project

Those are both factory notice the rosette rivets holding them on. Good luck with finding your build sheet, they are an amazing source of documentation. I hope you find it!
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Old 12-04-2020, 11:05 AM   #29
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Re: The build date project

Quote:
Originally Posted by FirstOwner69 View Post
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)

Quote:
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Location of build date
Apologies, I responded before realizing the year of your vehicle.

Last edited by geunther; 12-04-2020 at 11:11 AM.
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Old 12-04-2020, 11:36 AM   #30
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Re: The build date project

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.
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Old 12-04-2020, 11:40 AM   #31
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Re: The build date project

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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.
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Old 12-04-2020, 01:03 PM   #32
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Re: The build date project

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Originally Posted by 57taskforce View Post
Those are both factory notice the rosette rivets holding them on. Good luck with finding your build sheet, they are an amazing source of documentation. I hope you find it!
Thanks! Me too! Hopefully at least I can provide a small amount of value back to this amazing board.
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Old 12-04-2020, 03:28 PM   #33
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Re: The build date project

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Originally Posted by FirstOwner69 View Post
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.
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Old 12-04-2020, 05:22 PM   #34
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Re: The build date project

Another 71 Chevy from bringatrailer.


1Z634510. Build sheet shows March 9, 1971
.
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Old 12-04-2020, 07:57 PM   #35
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Re: The build date project

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Originally Posted by Carl Spangler View Post
Another 71 Chevy from bringatrailer.


1Z634510. Build sheet shows March 9, 1971
.
Added post 2

Some observations: Looks to be about 249 to 259 trucks per day. Freemont is the only plant from which I have seen a build sheet.

Last edited by geunther; 12-04-2020 at 08:09 PM.
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Old 12-04-2020, 08:00 PM   #36
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Re: The build date project

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Originally Posted by Carl Spangler View Post
Another 71 Chevy from bringatrailer.


1Z634510. Build sheet shows March 9, 1971
.
Done. Keep em coming!
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Old 12-05-2020, 12:17 AM   #37
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Re: The build date project

The second thread is using some of this data in a cut-n-paste process. Seems all very confusing.
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Old 12-05-2020, 12:22 AM   #38
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Re: The build date project

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The second thread is using some of this data in a cut-n-paste process. Seems all very confusing.
I don't think anyone is cutting and pasting. Perhaps copy and pasting so that post one and two are reflecting the same information. If it confusing, it might be time to move to one post.

The second post is a result of a running document that gets added to when new information is available. The entire post is then updated. It was meant to be redundant until the best method was found.
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Old 12-05-2020, 01:41 AM   #39
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Re: The build date project

The second thread was the original thread (this is the second thread) - this one was supposed to replace it and be one stop shopping for build date info (I think). I also thought the whole point was for members to enter their own info by selecting the quote button of the most recent listing, entering their data, and clicking submit reply - that way the thread would be self-building with the most complete list always being the most recent post. There was never any intent to do cut/paste (or so I thought). Anyway, I don't have a dog in the fight - geunther, if you're going to enter each post with data into post #2, that's great and quality control and accuracy will be awesome - but yikes that'll be a lot of work for you over time. Thanks very much to you and Tyler for taking the time to build this - will be a great resource. Also, since this thread should contain all the other thread's data and then some, I'd recommend, if op is willing, that he consider asking the mods to close the original thread - otherwise there will be endless confusion as both threads have similar titles and both will pop up whenever anyone googles 'build date' on here.
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Old 12-05-2020, 10:54 AM   #40
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Re: The build date project

I suppose somethings are getting lost in terminology (post vs thread, cut and paste which removes original data vs copy and paste).

The original thread (without project in the title) was intended for everyone to quote the previous post, and like jocko said, that would keep the list current with everyone adding their own info. This would certainly involve the least amount of individual overhead. The problem was, it was not working as intended. Some users were quoting the post which was not the most current or complete. So there were trucks in some posts, yet not in others etc.

57taskforce started this thread (build date project) with the intent to be more involved with the list management, in an effort to keep it more accurate. By this time he and I were both trying to keep the original thread current. Information for this thread was received by individual posts and by private messages. Also, I was researching other sources for public data involving VINs and build dates and adding those.

Since the creation of this thread, I have not done any work on the original thread believing this thread to be the most current with the other thread fading away and believing the original poster of the original thread could find what they were looking for here as well as benefiting the community.

All of that being said, the last thing I wanted to do was make things more confusing. I won't speak for 57 but I think neither of us minded the work and thought it was a worthwhile project. Even if it involved daily checks and updates. I am more than happy to assist in anyway, even by stopping if that is best. My day job involves computer programming, so I am normally on all day, everyday.
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Old 12-05-2020, 11:02 AM   #41
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Re: The build date project

Awesome geunther, I get it now, sorry for injecting some confusion into this process - thanks again and keep doing what you're doing! So, if I'm tracking now - Post #2 of this thread will always be "the" most current list, is that correct? Again, appreciate the hard work. Agree, the quoting option, although the least work overall, gets messy and gooned up pretty quickly.
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Old 12-05-2020, 11:12 AM   #42
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Re: The build date project

Quote:
Originally Posted by jocko View Post
Awesome geunther, I get it now, sorry for injecting some confusion into this process - thanks again and keep doing what you're doing! So, if I'm tracking now - Post #2 of this thread will always be "the" most current list, is that correct? Again, appreciate the hard work. Agree, the quoting option, although the least work overall, gets messy and gooned up pretty quickly.
On this thread, both post #1 and post#2 should be redundant (within a reasonable amount of time). The thinking was at least one of us should be able to update in a reasonable amount of time eliminating a single point of failure. And of course, we were trying different methods of keeping the list current and knowing at some point, we would likely move to one post vs 1 and 2. The thought was a user could just add a post and either/both of us would add the info into a current listing so the list would not get all jacked up with numerous editors.
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Old 12-05-2020, 02:58 PM   #43
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Re: The build date project

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Originally Posted by geunther View Post
On this thread, both post #1 and post#2 should be redundant (within a reasonable amount of time). The thinking was at least one of us should be able to update in a reasonable amount of time eliminating a single point of failure. And of course, we were trying different methods of keeping the list current and knowing at some point, we would likely move to one post vs 1 and 2. The thought was a user could just add a post and either/both of us would add the info into a current listing so the list would not get all jacked up with numerous editors.
Yes sir geunther, your correct in everything you’ve said, couldn’t have explained it better myself. Jocko, no worries for seeking clarification on things and helping to make this a better explained process. As said above it was hard with the cut and paste to keep the lists clean and accurate with people quoting the wrong lists etc. in this thread there is a lot better quality control and accuracy overall. I love these trucks and I like this board a lot, this is the least I can do to help the 67-72 legacy and the board that helps us all so much.

I don’t have permission/ability to close threads on the 67-72 side and I’ve requested that the original be closed but it hasn’t happened yet. I will try and see what I can do to get it closed to avert anymore confusion.
Also, that I can see, there hasn’t been anymore additions to that thread since I posted stating that this thread was active.
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Old 12-05-2020, 05:05 PM   #44
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Re: The build date project

THANKS to OP and others for making this database work!

I found a 71 and 72 on BAT:
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Old 12-05-2020, 05:31 PM   #45
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Re: The build date project

No problem, there’s a lot more people than just me who have helped get to this point. I’m happy to be able to spend a few minutes a day documenting these trucks we all love.
Thanks for your additions they help a ton!
I will add this one when I get home as well as another blue sticker from a set of 71 doors I’ve got in my stash.
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Old 12-05-2020, 10:12 PM   #46
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Re: The build date project

Say geunther and/or taskforce, if you like add 5/19/71 to my "within 10" serial number for Fremont, per the build sheet.

Currently reads "1Z654520 +/- 10 = 5/71"
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Old 12-06-2020, 03:33 AM   #47
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Re: The build date project

Carl, done and done! You rock for posting those up, I really appreciate it!

Tony, done. Thanks again!

Unfortunately the doors I’ve got only have a little bit of the blue sticker left, the wrong part of the vin and no date...
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Old 12-06-2020, 11:57 AM   #48
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Re: The build date project

More Sherlock Holmes activity during my morning grool.

2Z119233. 11-05-71. The "5" is similar to other more legible 5's on the build sheet.
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Old 12-06-2020, 03:48 PM   #49
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Re: The build date project

Here's a first week (maybe even the very first day of production) 1972 build.

Aug 04, 1971 build sheet. 08/04/1971 was Wed.
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Old 12-06-2020, 04:36 PM   #50
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Re: The build date project

A few I found on the board
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