You can register this 1977 Chevy Cargo Van in California but only as a commercial vehicle, and only after passing a smog check. No modifications need to be made in order to conform to California's emission regulations. Used out-of-state vehicles are allowed to be registered in California so long as the vehicles emissions system has not be tampered with, and its emissions fall within California emissions cutscores.
The website you want to access in order to find out your Chevrolet Van's current California emission cut scores is below:
California Emission Cut Scores
