Looking for 70-72 4 speed z28

secondgenaddict

Veteran Member
Dec 29, 2012
457
Upstate South Carolina
We want more photos... IT appears to be CODE 25 ASTRO BLUE and perhaps is ORIGINAL PAINT, if so it would be best to try and preserve the original paint. Astro is a very rare color for 70... most blue cars were Mulsanne.
If it is as original as stated it probably should be preserved.
 

Rosster

Veteran Member
Gold Member
Mar 1, 2020
1,038
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Actually car is a citrus green that was scuffed down and shot in a few coats of astro blue lacquer 30+ years ago without even a coat of primer in between. Everything else is original and it has the protectoplate and warranty paperwork w/70k miles. Was able to make contact with original owners family so hoping I get some photos from them with the car when new. Was bought new york by a gentleman that just graduated from college and then was drafted to vietnam. His brother bought one as well in red at the same time.

It has the M21 4 speed and 4:10 axle options. Manual steering also. Has std black interior with console and decor group in excellent shape as well. I’m doing a full restoration and started a thread with pics on that subforum. Here’s a few pics of the interior which is dusty from sitting 20 years. Eventually I’ll clean it up but even the carpet is in great shape!:
 
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secondgenaddict

Veteran Member
Dec 29, 2012
457
Upstate South Carolina
They are not painted they are a black coating I've been told it was Black Zinc, I have an original with the coating and then I have an original sent with a carb to holley for rebuild and they stripped the black off the block. Below is a box of them acquired by a customer- a few were labeled LT1. Also an original off a 69 Yenko within the first few weeks / month of purchase a 70 LT1 and I have a photo albeit not a very good of the one on the 70 Citrus Green Z28 I had 2 years ago.
20425001_1608441745855096_815169947_o.jpg

Here is one removed from a 69 Yenko within a month of purchase.
ACtC-3dj2qy8hW-EZs3fdEMe__KuYyI5j47NXi_yUe3uorWq3WIV4QQsxQHV5DdjsgYO5IKQZpoqtQ-CniqS2kedwwrWum3bqUm41yYLEDO9ZkCqPQCW0tiLRpya1ynxIIrQpK8YDGqf9y5fzirh8Us7MrjUEA=w423-h501-no

Here is the one on the one owner 70 LT1 I looked at buying.
102_0279.JPG
 

70lt1z28

Veteran Member
Gold Member
Oct 3, 1999
4,939
Beavercreek, Ohio, USA
Interesting. Thank you. Do the lines also have some form of black coating? They appear darker than bare steel.
Are the blocks for sure brass? Wondering if a black anodized aluminum wasn’t an allowed alternative material. Less expensive than brass.

You can see where the black is wearing off of COPO's block on the edges. Maybe is black zinc. Here is another Yenko that has a black block:
http://chevynova.org/1970LT1_Engine.html

Still interesting that Charley's old car is bare brass.
 
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Rosster

Veteran Member
Gold Member
Mar 1, 2020
1,038
We want more photos... IT appears to be CODE 25 ASTRO BLUE and perhaps is ORIGINAL PAINT, if so it would be best to try and preserve the original paint. Astro is a very rare color for 70... most blue cars were Mulsanne.
If it is as original as stated it probably should be preserved.
I’m doing a full rotisserie restoration on it and retuning it back to stock colors. Too nice of car not to! Not too many numbers matching 70 z28 project cars around any more so got really, really lucky!
 

Rosster

Veteran Member
Gold Member
Mar 1, 2020
1,038
Interesting. Thank you. Do the lines also have some form of black coating? They appear darker than bare steel.
Are the blocks for sure brass? Wondering if a black anodized aluminum wasn’t an allowed alternative material. Less expensive than brass.

You can see where the black is wearing off of COPO's block on the edges. Maybe is black zinc. Here is another Yenko that has a black block:
http://chevynova.org/1970LT1_Engine.html

Still interesting that Charley's old car is bare brass.

I seem to recall my 1st 70 z28 was as well. Now that was 30 years ago (so memories a little fuzzy) and the car was a LA car (100% stock and I bought it from the 1st owner). Could LA have used a west coast part supplier so their’s were brass finish as opposed to back east?
 




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