In
Car and Driver March 1967, a 67 Z28 turned 14.9 in the quarter mile in stock trim. Results shown below:
Full text of the Car and Driver March 1967 article here (click on thumbnail):
Car and Driver October 1996 reran the tests using Jerry MacNeish's freshly restored stock 1967 Z28, this time comparing it to a new '96. Results were the same as 19 years earlier. Click on the thumbnail below to read the whole article: