Petersen's Complete Book of Datsun No. 2 (1977 Edition/2nd Edition). Buy it at Amazon.com
(1975 and 1977 editions differ) Comments: Not a full repair manual, but recommended as 1977 edition has tune-up info, carb tear-down, Datsun history, California Ute, etc.
Page 169
A B120 in California?
See Main Article: QUICK-DELIVERY DATSUN
Ziggy's Stardust
Petersen's Trucking Trends, 1977
Dwaynne's Ziggy's Stardust
Pages 158 & 159