CREATE TABLE table_62864 ("Model" TEXT, "Years" TEXT, "Engine" TEXT, "Displacement" TEXT, "Power" TEXT, "Fuel system" TEXT)

What engine with the years of 1975-84 has a model of 1600?
SELECT "Engine" FROM table_62864 WHERE "Model" = '1600' AND "Years" = '1975-84'
SELECT "Engine" FROM "table_62864" WHERE "Model" = '1600' AND "Years" = '1975-84'