1919 Ballot Type 5/8LC

Eight-cylinder in-line engine, double overhead camshafts, four valves per cylinder, 4816 cc, 140 hp at 3000 rpm

1969 Porsche 908/02 ‘Flunder’

Flat-eight air-cooled engine, mounted midship, twin overhead camshafts, fuel-injected, 2997 cc, 350 hp at 8,400 rpm.

1934 Chrysler Airflow CV-8

Eight-cylinder L-head in-line front mounted engine, 323.5 cubic inches (5301 cc), 128 hp at 3400 rpm

1968 Porsche 907

Flat-eight air-cooled engine, mounted midship, twin overhead camshafts, fuel injected, 2196cc, 278hp at 8700 rpm

1962 Lotus 23

Four-cylinder in-line engine, dual overhead camshafts

1896 Panhard & Levassor

1189cc

1928 Hispano-Suiza H6C Chassis

Six-cylinder in-line engine, single overhead camshaft, 7982 cc, 144 hp at 2500 rpm.

1964 Porsche 911

Flat Six Cylinder, Air Cooled, Single Overhead Cam, 1991cc, 130HP @ 6100RPM's

1923 Mercedes Targa Florio 28/95

Six-cylinder in-line engine, single overhead camshaft, 7272 cc, 95 hp at 1800 rpm.

1912 Hispano Suiza T-15 Alfonso XIII SWB

Four-cylinder in-line engine, 3620 cc (220.9 cubic inches), 64 hp at 2300 rpm.

1938 Maserati 8CTF Grand Prix

Eight cylinder in-line engine, double overhead camshafts, twin Roots-type superchargers 2991 cc, 360 hp at 6300 rpm

1960 Porsche RS-60 Spyder

Flat-four air-cooled engine, mounted midship, twin overhead camshafts, 1697 cc, 170 hp at 7800 rpm.

1961 Porsche RS-61L Spyder

Flat-eight air-cooled engine, mounted midship, twin overhead camshafts, 1982 cc, 210 hp at 8200 rpm.

1958 Porsche Carrera GT Speedster

Flat-four air-cooled engine, rear mounted, twin overhead camshafts, 1587 cc, 160+ hp at 8000 rpm.

1963 Elva Porsche

Flat four air-cooled engine, mounted midship, twin overhead camshafts, 1679 cc, 183 hp.

1966 Porsche 906 Carrera 6

Flat-six air-cooled engine, mounted midship, single overhead camshaft, 1991 cc, 210 hp at 8000 rpm.

1958 Porsche-Behra Formula 2

Flat-four air-cooled engine, mounted midship, twin overhead camshafts, 1498 cc, 150 hp at 8200 rpm.

1960 Porsche Abarth Carrera GTL

Flat-four air-cooled engine, rear-mounted, twin overhead camshafts, 1587 cc, 135 hp at 6500 rpm.

1969 Porsche 917 PA

Flat-twelve air-cooled engine, mounted midship, twin overhead camshafts, fuel injected, 4494 cc, 580 hp at 8400 rpm.

1970 Porsche 914/6 GT

Flat-six air-cooled engine, mounted midship, single overhead camshaft, 1991 cc, 210 hp at 8000 rpm.

1967 Porsche 911R

Flat-six air-cooled engine, rear mounted, single overhead camshaft, 1991 cc, 210 hp at 8000 rpm.

1967 Porsche 910/6

Flat-six air-cooled engine, single overhead camshaft, fuel injected, 1991 cc, 220 hp at 8000 rpm.

1969 Porsche 908 LH

Flat-eight air-cooled engine, mounted midship, twin overhead camshafts, fuel-injected, 2997 cc, 350 hp at 8400 rpm.

1971 Porsche 908/3

Flat-eight air-cooled engine, mounted midship, twin overhead camshafts, fuel-injected, 2997 cc, 360 hp at 8400 rpm

1964 Porsche 904 Carrera GTS

Two liter (1966cc), twin overhead camshaft, Flat four, air cooled engine mounted midship, 180 hp at 7000rpm.

1964 Porsche 904 Carrera GTS

1966cc twin overhead camshaft flat-four, air-cooled engine mounted midship, 180 hp at 7000 rpm

1958 Porsche 550A Spyder

Flat-four, air-cooled engine, mounted midship, twin overhead camshafts, 1498 cc, 135 hp at 7200 rpm.

1927 Packard Speedster

Eight-cylinder L-head in-line engine, nine main bearings, 384 cubic inches, 106 hp at 3200 rpm.

1959 Porsche 718 RSK Spyder

Flat-four air-cooled engine, mounted midship, twin overhead camshafts 1498 cc, 150 hp at 7200 rpm

1912 Hispano Suiza Alfonso XIII LWB

4-cyl, 3619 cc, 40-45 HP, HP to WT Ratio: 39.2

1914 Simplex

Four-cylinder in-line engine, T-head, 597 cubic inches, 60 hp at 1200 rpm.

1951 356SL Gmünd Coupe

Flat-four, air-cooled pushrod VW-type engine, rear-mounted, Porsche –designed cylinder heads, 1498 cc, 72 hp at 5000 rpm.

1930 Bugatti Type 35B Grand Prix

Eight‐cylinder in‐line engine, single overhead camshaft, three valves per cylinder (two inlet, one outlet), Roots type supercharger 2261 cc (138 cubic inches), 140 hp at 5000 rpm.

1956 Volkswagen Beetle

Porsche flat-four air-cooled, rear mounted, pushrod engine, 2549 cc, 210 hp.

1927 Vauxhall 30/98 Type OE

Four-cylinder in-line pushrod engine, 4224 cc, 120+ hp at 3500 rpm.

1920 Vauxhall 30/98 Type E

Four-cylinder in-line side valve engine, 4526 cc, 90 hp at 2800 rpm.

1958 Vanwall Formula 1

Four-cylinder in-line engine, twin overhead camshafts, fuel injected, 2490 cc, 262 hp at 7500 rpm.

1929 Sunbeam Super Sport

Six-cylinder in-line engine, twin overhead camshafts, seven main bearings, dry sump lubrication, 2916 cc, 90 hp at 3800 rpm.

1928 Stutz Black Hawk

Eight-cylinder in-line engine, single overhead camshaft, 298 cubic inches, 115 hp at 3600 rpm. HP to WT Ratio: 38.94

1920 Cunningham V3

Eight-cylinder, 90 degree vee engine, L-head 441.7 cubic inches, 95 hp at 2400 rpm. HP to WT Ratio: 40.78

1989 Trabant

Twin-cylinder, two-stroke, 594 cc, 26 bhp, HP to WT Ratio: 52.00

1914 Rolls Royce Silver Ghost

Six-cylinder in-line engine, 7428 cc (453 cu.in.), 40/50 HP (48.6 R.A.C.), HP to WT Ratio: 88.85

1965 Porsche 356C

Flat-four air-cooled pushrod engine, rear-mounted, 1582 cc, 95 hp at 5800 rpm.

1915 Pierce-Arrow 48 B-3

Six-cylinder in-line engine, T-head, single valve, 525 cubic inches, 48 rated hp.

1933 Packard Twelve Sport Phaeton

Twelve-cylinder, 67 degree vee engine, 445.47 cubic inches, 160 hp at 3200 rpm.

1954 Osca Sports-Racer

Four-cylinder in-line engine, double overhead camshafts, 1452 cc, 130 hp at 6300 rpm.

1908 Mors Type Grand Prix

Four cylinder in-line engine, overhead valves pushrod actuated, 12.5 liters (775 cubic inches), 100bhp.

1902 Mors Type Z

Four-cylinder engine, 9236cc (573 cubic inches), magneto ignition. 60 hp at 1400 rpm.

1934 MG K3 Magnette

Six-cylinder in-line engine, single overhead camshaft, 1086 cc, up to 120+ bhp at 6500 rpm. Roots-type Marshall supercharger. Four-speed E.N.V. preselector gearbox.

1912 Mercer Raceabout

Four-cylinder in-line T-head engine, 300 cubic inches, 58 hp at 1700 rpm.

1929 Mercedes Benz SSK

Six-cylinder in-line engine, single overhead camshaft, Roots-type supercharger, 7059 cc, 140 hp at 3200 rpm (200 hp with blower engaged).

1961 Maserati Tipo 60 “Birdcage”

Four-cylinder in-line engine, dual overhead camshafts, two valves per cylinder, 1990.2cc, 200 hp at 7800 rpm.

1962 Lotus Elite Series II S.E.

Four-cylinder in-line engine, single overhead camshaft, twin SU carburetors, 1216 cc, 95 bhp at 7200 rpm.

1927 Lancia Lambda

Narrow angle (14 degree) V4 engine, two valves per cylinder, single overhead camshaft 2370 cc, 59 hp at 3250 rpm.

1955 Lancia D50 Formula 1

Eight –cylinder, 90⁰ vee engine, double overhead camshafts 2479 cc, 250 hp at 8200 rpm.

1952 Lancia Aurelia B20 Series II Coupe

Six cylinder, 60 degree vee engine, two overhead valves per cylinder. 1991 cc, 80 hp at 4700 rpm.

1974 Jorgensen Eagle 7400 USAC

Four-cylinder in-line engine, four valves per cylinder, turbocharged, dry sump lubrication, 161.5 cubic inches.

1955 Jaguar D-Type

Six-cylinder in-line engine, double overhead camshafts, two valves per cylinder, three dual-throat Weber carburetors, 3442 cc (210 cubic inches), 270 hp at 6000 rpm.

1966-1967 Ford GT40 Mark II-B

Eight-cylinder 90 degree vee pushrod engine, two Holley four-choke carburetors 6982 cc, 500 bhp at 6000 rpm

1958 Scarab Sports-Racer

Eight-cylinder 90 degree vee engine, overhead valves, Hilborn fuel injection, 339 cubic inches, 365 hp at 6000 rpm.

1962 Jaguar E-Type

Six-cylinder in-line engine, double overhead camshafts, two valves per cylinder, Lucas fuel injection, 3781 cc (230.6 cubic inches), 300 hp at 6000 rpm.

1928 Hispano-Suiza H6C by Kellner

Six-cylinder in-line overhead camshaft engine, 7982 cc, 194 bhp at 3000 rpm.

1909 Ford Model T Touring

L-head four-cylinder in-line engine, 176.7 cubic inches, 22 hp at 1600 rpm.

1966 Ford GT40

Eight-cylinder 90° vee pushrod engine, four twin-choke Weber carburetors, wet sump lubrication, 4736 cc (289 cubic inches), 390 hp at 7000 rpm.

1962 Ferrari 400 Superamerica

Twelve-cylinder vee overhead camshaft engine, 3967 cc, 340 bhp at 7000 rpm.

1965 Ferrari 250 LM Berlinetta GT

Twelve-cylinder 60-degree vee engine, single overhead camshaft 3286 cc, 320 hp at 7500 rpm.

1948 Ferrari 166

Twelve-cylinder, 60 degree vee engine, single overhead camshaft, 1992 cc, 130 hp at 7000 rpm (140 hp with higher compression and alcohol fuel).

1930 Duesenberg Model J

Eight-cylinder in-line engine, twin overhead camshafts, four valves per cylinder, 420 cubic inches, 265 hp at 4200 rpm.

1930 Fred Frame Duesenberg

Eight-cylinder in-line engine, twin overhead camshafts, four valves per cylinder, Centrifugal supercharger with intercooler manifold, 168.7 cubic inches, 200 + hp

1908 Delaunay-Belleville

Six-cylinder in-line engine, L-head, 5900cc, 28 hp, HP to WT Ratio: 136.75

1955 Cunningham C-6R

Current Engine: bored-out 3.8-liter Jaguar D-Type. Original Engine: four-cylinder, in-line Meyer-Drake Offenhauser, 179 cubic inches (2942 cc).

1953 Cunningham C-5R

Chrysler eight-cylinder, hemi-head vee engine, four Zenith downdraft carburetors, 331.1 cubic inches, 310 hp at 5200 rpm.

1952 Cunningham C-4R

Chrysler eight-cylinder, hemi-head vee engine, four Weber 400DCM downdraft carburetors, 331.1 cubic inches, 300 hp at 5200 rpm.

1952 Cunningham C-3

Chrysler eight-cylinder, hemi-head vee engine, four Zenith downdraft carburetors, 331.1 cubic inches, 220 hp at 4000 rpm.

1951 Cunningham C-1 Prototype

Cadillac eight-cylinder, 90 degree vee engine, overhead valves, 331 cubic inches, 220 hp.

1959 Cooper T-51 Formula 1

Four-cylinder in-line engine, twin overhead camshafts, 2495 cc, 239 hp at 6750 rpm.

1957 Cooper Climax T 43 Formula 1

Four-cylinder in-line engine, twin overhead camshafts, 1960 cc, 180 bhp at 6500 rpm.

1961 Citroën 2CV Sahara

Twin horizontally-opposed two-cylinder air-cooled engines, 425 ccs, 12 bhp at 5300 rpm.

1950 Cisitalia SC

Four-cylinder in-line pushrod engine, 1090 cc, 60 hp at 5500 rpm.

1950 Cadillac Series 61

Eight-cylinder, 90 degree vee engine, overhead valves, 331 cubic inches, 160 hp at 3800 rpm.

1939 Bu-Merc

Eight-cylinder in-line overhead valve engine, 320 inches (5245 cc).

1933 Bugatti Type 55 Super Sport

Eight-cylinder in-line engine, twin overhead camshafts, two valves per cylinder, Roots-type supercharger, 2970 cc, 135 hp at 5500 rpm.

1962 B.R.M. P-578 Formula 1

Eight-cylinder vee-type engine, double overhead camshafts, two valves per cylinder, 1498 cc, 193 bhp at 10,250 rpm.

1938 BMW Type 328

Six-cylinder in-line engine, vee-type overhead valves, aluminum cylinder head combining hemispherical combustion chambers with side camshaft, 1971 cc, 80 hp at 5000 rpm.

1932 Bentley 8 Litre

Six-cylinder in-line engine, single overhead camshaft, four valves per cylinder, three SU carburetors, 7983 cc (487.12 cubic inches), 250 hp at 3500 rpm.

1930 Bentley 6 1/2 Litre Speed Six

Six-cylinder in-line engine, single port block, single overhead camshaft, four valves per cylinder, 6597 cc (402.5 cubic inches), 180 hp at 3500 rpm.

1939 Bentley 4 1/4 Litre

Six-cylinder in-line engine, two valves per cylinder, side-mounted camshaft, 6.8:1 compression, 4257cc (259.76 cubic inches), approximately 125 hp at 3800 rpm. HP to WT Ratio: 30.00

1931 Bentley 4 1/2 Litre Supercharged

Four-cylinder in-line engine, single overhead camshaft, four valves per cylinder, Roots-type supercharger, 4396 cc (268.36 cubic inches), 240 hp at 4200 rpm.

1926 Bentley Super Sport

Four-cylinder in-line engine, single overhead camshaft, four valves per cylinder, 2996 cc, 80-82 hp at 3500 rpm.

1964 Austin Cooper S

Four-cylinder in-line overhead valve engine. 1071cc (65.35 cubic inches). Horsepower: 70 bhp @ 6000 rpm.

1988 Arrows A10B Formula 1

Four-cylinder in-line engine, double overhead camshafts, 1499 cc (92 cubic inches), turbocharged to 2.5 bar (75 in. hg), 650 hp at 10,500 rpm, carbon fiber composite chassis, six speed transmission.

1958 Alfa Romeo Giulietta Sprint Veloce

Four-cylinder in-line engine, double overhead camshafts 1290 cc, 90 hp at 6500 rpm.

1964 Alfa Romeo GTZ

Four-cylinder in-line engine, double overhead camshafts, 1570 cc, 175 bhp at 6500 rpm

1938 Alfa Romeo Tipo 8C 2900B Berlinetta, Touring

Eight-cylinder in-line engine, double overhead camshafts, two valves per cylinder, supercharged, 2905 cc, 180 bhp at 5200 rpm.

1934 Alfa Romeo Tipo 8C 2300 Corto, Touring

Eight-cylinder in-line engine, double overhead camshafts, two valves per cylinder, Roots-type supercharger, 2336 cc, 142 hp at 5000 rpm.

1970 Fiat Abarth TCR

Four-cylinder in-line engine, pushrods with hemispherical combustion chambers, 982 cc, 112 bhp at 8200 rpm.

1964 Abarth Simca 2 Mila Corsa

Four-cylinder in-line engine, double overhead camshafts, 1946 cc (119 cubic inches), 204 hp at 7200 rpm.

1933 Bentley 4 1/4 Litre “Eddie Hall”

Six-cylinder in-line engine, two valves per cylinder, side-mounted camshaft, 9.0:1 compression, 4257 cc (259.76 cubic inches), 167 hp.

1927 Delage Type 15 S 8 Grand Prix

Eight-cylinder in-line engine, twin overhead camshafts, two valves per cylinder. Roots-type supercharger, 1486 cc, 170 bhp at 8000 rpm.

1913 Peugeot Type L3 Coupe de l’Auto

Four-cylinder in-line engine, double overhead camshafts, four valves per cylinder, 2980 cc (183 cubic inches), 90 hp at 2900 rpm.

1950 Cadillac Series 61, Le Mans “LeMonstre”

Eight-cylinder, 90 degree vee engine, overhead valves, 331 cubic inches, 160 hp at 3800 rpm.

1924 Miller 122/91

Eight-cylinder in-line engine, double overhead camshafts, supercharged,

1935 MG PA/PB “Leonidis”

Four-cylinder in-line engine, single overhead camshaft, Marshall Roots-type supercharger, 939 cc, 76 hp at 6500 rpm

1901 Benz Dos-à-Dos

Two-cylinder, four-stroke, opposed engine. 2690 cc, 10 hp at 920 rpm

1939 Mercedes-Benz W 154 Grand Prix

Twelve cylinders in vee formation, double overhead camshafts, two Roots-type superchargers 2962cc, 483 hp at 7800 rpm

1914 Mercedes Type 18/100 Grand Prix

Four-cylinder in-line engine, single overhead camshaft, 4483cc(273.7 cubic inches), 115 HP at 2800 rpm

1937 Delahaye 135 Competition Special Roadster

Six-cylinder in-line pushrod engine

1995 McLaren F1

Twelve-cylinder 60-degree vee engine, double overhead camshafts, four valves per cylinder

1967 Anglo American Racers, Eagle Gurney Weslake Mk1 Formula 1

Twelve cylinder 60 degree vee engine, twin overhead camshafts 2997 cc (183 cubic inches)

1952 Cunningham C-4RK

Chrysler eight-cylinder, hemi head vee engine. Four Zenith downdraft carburetors, 331.1 cubic inches

1963 Chevrolet Corvette Grand Sport

V8 - 377 cubic inches (6.2 liters)

1953 Porsche 550 Coupe

Flat-four, air-cooled, pushrod engine

1971 Porsche 917K

Flat-twelve air-cooled engine