The Supercar Registry
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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

Salvatore 12-13-2025 08:54 PM
My 69 Z and my 69 SS survivor nova did not have the valve. My 69 Z/28 still retains the original brake line from the booster to the rear end bracket. Both cars were November of 68 builds.

Nova Research Project 12-14-2025 06:07 PM
Quote:
Originally Posted by Salvatore (Post 1685070)
My 69 Z and my 69 SS survivor nova did not have the valve. My 69 Z/28 still retains the original brake line from the booster to the rear end bracket. Both cars were November of 68 builds.
Salvatore,

As mentioned earlier, the pressure valve was introduced in 70 on the Nova. So wouldn't be on your 69.

Greg

Salvatore 12-14-2025 06:35 PM
For sure Greg. You know me as Sam.


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