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Thank you Kurt....Joe

Nice work guys. Very interesting reading. Are there any pictures of trim tags from LA & Norwood? Thank you, Joe

I found a loose 5405605 133 9 6 B in my stuff. It was made on Rochester NY. The h/l washer isn't legible....Joe 

I understand usually the engine assembly date and the casting dates should be within 1, 2 maybe 3 weeks before the vehicle production date,...but has anyone ever seen an engine assembly date match the vehicle production date exactly?

When you say vehicle production date, are you referring to the NCRS report or are you referring to the date on the Fisher Body tag, (trim tag)?....Joe

I was thinking that I've only seen that on Canadian cars. Maybe somebody could verify....Joe

Joe - My 1970 Mustang also has a Holley 4150 780 carburetor, which runs great, although it can be somewhat hard to start if I haven't driven it in awhile.

My Z/28 hasn't been driven in about 12 years. I had a bunch of stuff that needed attention. I did adjust the valve to .026 but I only had 5.5 inches of vacuum. Put them back to 30-30 & now I have between 9 & 11 inches. I had 2 fuel bowls that were warped on the bottom where they met with the metering block. Thank you, Joe

Joe - Other than the part number 134-103 stamped on the 4053 front fuel bowl, I believe the only other item found on the fuel bowl would be the patent numbers (photo is from a CRG photo from a 1967 Holley carburetor):

https://www.camaros.org/images/carb/carb_3910rear.jpg

Thank you....Joe

The front fuel bowl was warped on my 4053 so I used one from a 780 I had laying around. My question is: is there a special casting number I should be looking for to keep it more on the original side? The carb is a 1969 if that matters. Thank you, Joe

I'm still getting the message also....Joe

Was that the factory installed alternator for Z28's in 1969? The date of Feb 69, aligns pretty well with the build date of March 69...  at a minimum, a period correct part....

Yes...Joe

The tire pressure decal goes in different places depending on the date your car left the factory. The blue Federal decal was used after September 1st 1969. The "GM" goes nowhere on a 1969. The silver door in the picture was May 1969. The yellow door is August 1969. It was built 3 days too early to have the blue federal decal but if it had that decal, it would've been between those 2 ribs...Joe

There was some discussion on FB about it. He considers it a unicorn. I ask him why other than it has it's born with drivetrain. He never did reply back. It has 3.73 rear. That's probably why the drivetrain is original.....Joe

Why do those two stampings and the engine pad surfaces look so different if they are next to each other on the same engine pad?

They're not on the same surface. The engine assm plant/date are on the top by the RH cyl head. The other is stamped into the raw casting down by the oil filter....Joe

According to CRG there were 225,512 1969 Camaro coupes built for 1969 model year. 100,602 vinyl tops were ordered that year. There would be no way to determine how many were on Z/28s, but in the 60s, vinyl tops were quite popular as you can see by the numbers. 190,971 of the 225,512 were V8 coupes....Joe

It goes on the triangle glass bottle types used in the early 60s....Joe