mustang771977 Mustang Engine Information – 302 cubic inch V-8 (4.9 L Windsor V8) The 302 Windsor V8. The 302’s life cycle lasted from 1968 to 1973. In 1974 due to the Federal government’s rulesThe first-generation Mustangs grew in size; the 1973 model had become markedly larger than the orinal model. The pony car market segment saw decreasing sales in the early-1970s with many buyers turning to lower-priced,