The Supercar Registry - 1969 Z-28 pressure valve

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The Supercar Registry (https://www.yenko.net/forum/index.php)

- Technical & Restoration (https://www.yenko.net/forum/forumdisplay.php?f=86)

- - 1969 Z-28 pressure valve (https://www.yenko.net/forum/showthread.php?t=184103)

Kurt S

12-08-2025 05:57 PM

Quote:

Originally Posted by 3X24SPD (Post 1684820)

However, my NOR 02B X77 does not have one- and have always wondered why.

From the usage info on CRG:
As noted above, the 69 NOR Z28's did not use it until mid-year, in the late January / early February timeframe.

Mr.Nickey Nova

12-09-2025 06:35 AM

Quote:

Originally Posted by Nova Research Project (Post 1684816)

Precisely, Willow Run made several production changes at the end of 1969. Not having it on the subframe in January makes sense. What build week in January? I can compare with the database.

Greg

Greg, my Nova was built on the 3rd week of January 1970.

Nova Research Project

12-10-2025 02:09 AM

Quote:

Originally Posted by Mr.Nickey Nova (Post 1684859)

Greg, my Nova was built on the 3rd week of January 1970.

Thanks, That is firmly after the change over.

Greg

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