Engines by Class & Year

C1 Engines	Year	Power
235 cu in (3.9 L) Blue Flame I6	1953–1954	150 hp
	1955	155 hp
265 cu in (4.3 L) Small-block V8	1955	195 hp
	1956	210 hp
	1956	240 hp
283 cu in (4.6 L) Small-block V8	1957	220 hp
	1958–1961	230 hp
	1957–1961	245 hp
	1957–1961	270 hp
283 cu in (4.6 L) Small-block FI V8	1957–1959	250 hp
	1960–1961	275 hp
	1957	283 hp
	1958–1959	290 hp
	1960–1961	315 hp
327 cu in (5.4 L) Small-block V8	1962	250 hp
	1962	300 hp
	1962	340 hp
327 cu in (5.4 L) Small-block FI V8	1962	360360 hp

C2 Engines	Year	Power
327 in³ Small-Block V8	1963–1965	250 hp
	1963–1967	300 hp
	1963	340 hp
	1965–1967	350 hp
	1964–1965	365 hp
327 in³ Small-Block FI V8	1963	360 hp
	1964–1965	375 hp
396 in³ Big-Block V8	1965	425 hp
427 in³ Big-Block V8	1966–1967	390 hp
	1966	425 hp
427 in³ Big-Block Tri-Power V8	1967	400 hp
	1967	435 hp

C3 Enginesh>	Year	Power
305 in³ "Calif. Only" LG4 V8	1980	180 hp
327 in³ Small-Block V8	1968	300 hp
	1968–1969	350 hp
350 in³ Small-Block V8	1969	300 hp
	1970	350 hp
	1970–1971	370 hp
	1971	270 hp
	1971	330 hp
	1972	200 hp
	1972	255 hp
	1973	190 hp
	1973–1974	250 hp
	1974	195 hp
	1975	165 hp
	1975	205 hp
	1976–1977	180 hp
	1976–1977	210 hp
	1978	185 hp
	1978	220 hp
	1979	195 hp
	1979	249 hp
	1980–1981	190 hp
	1980	230 hp
	1982	200 hp
427 in³ Big-Block V8	1968–1969	390 hp
	1968–1969	400 hp
427 in³ Big-Block Tri-Power V8	1968–1969	435 hp
427 in³ ZL1 aluminum V8	1969	550-680 hp
454 in³ Big-Block V8	1970	390 hp
	1971	365 hp gross 285 hp net
	1971	425 hp
	1972, 1974	270 hp
	1973	275 hp

C4 Engines	Year	Power	Torque
5.7 L (350 cu in) L83 V8	1984	205 hp	290 lb
5.7 L (350 cu in) L98 V8	1985–1986	230 hp	330 lb
	1987–1989	240 hp	345 lb
	1987 (B2K Callaway)	345 hp	465 lb
	1988–1989 (coupes with 3.07 rear)	245 hp	345 lb
	1988-1989 (B2K Callaway)	382 hp	562 lb
	1990-1991	245 hp	345 lb
	1990-1991 (coupes with 3.07 rear)	250 hp	345 lb
	1990-1991 (B2K Callaway)	403 hp	575 lb
5.7 L (350 cu in) LT5 V8 All aluminum engine 32-valve DOHC heads	1990–1992	375 hp	370 lb
	1993–1995	405 hp	385 lb
5.7 L (350 cu in) LT1 V8 Iron block & aluminum heads	1992	300 hp	330 lb
	1993–1995	300 hp	340 lb
	1996	300 hp	335 lb
5.7 L (350 cu in) LT4 V8	1996	330 hp	340 lb