1974 NATIONAL SERVICE DATA ADVANCE MANUAL. This is a 128 Page Service Update Manual covering AMC,Ford, Chrysler and GM cars for 1974. The Advance copy was released early in the year and then replaced later by a larger full service version. Detailed Tune-Up Information for 1974 Vehicles as well as New Updates of differing Changes from previous year models. Great Shop Helper. Used, But Complete and in Good Condition. FREE SHIPPING IN THE US.