Mouse Motor

GM production small block engines were known as Mouse motors.

Early SBC

4.3L 265ci - 1955 thru 1956
4.6L 283ci - 1957 thru 1962
4.9L 302ci - 1967 thru 1969
5.0L 307ci - 1968 thru 1973
5.4L 327ci - 1962 thru 1969
6.6L 400ci - 1970 thru 1981

Late SBC

4.3L 262ci - 1975 thru 1976
4.4L 267ci - 1979 thru 1982
5.0L 305ci - 1976 thru 1992
5.7L 350ci - 1967 thru 2005