Most accurate site for muscle car weights

[442w30]

In this link, you can find the AMA Specifications for the 1969 Camaro from the GM Heritage Center:

https://www.gmheritagecenter.com/doc...let-Camaro.pdf

On page 55, it shows vehicle weights plus options. Curb weight with the V8 hardtop is 3135.

The Z28 package adds 83 lbs.
The Z22 RS package adds 27.
M20 adds 16, while the M21/M22 adds 4 (yes, both add 1/4 of what the M20 adds)
Front disc brakes add 26.

Following this page are the AMA specs. It shows the Z/28 as having a curb weight of 3296 lbs.
Same document shows front disc brakes adds 41, plus 11 for power.