Lotus 74 Europa Twin Cam group 4 (1972)
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Home » Racing Sports Cars » Lotus 74

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Chassis numbers

Specifications

4710 units built
See manual
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Homologation number: 634 and 3045 (Group 3)
Homologation start: 1/4/1972

Engine location, middle longitudinal
Lotus-Ford Cosworth Mk XIII C (13C), Straight 4 cyl, 4 stroke, petrol engine
1594cc, 83.5 x 72.75 mm
9.5:1
172 BHP @ 7250 rpm
136lb/ft @ 6000 rpm
Ford 116E cast iron block, aluminium alloy head
2 valves / cylinder, DOHC
aspiration, natural with Lucas Mechanical Fuel Injection
water cooled
Dry sump pressurised with 2 Hilbourn eaton type pumps & scavage system

Straight 4 cyl, 4 stroke, petrol engine
1558cc, 82.6 x 72.75 mm
126 BHP (92.736 KW) @ 6500 RPM
113 Ft-Lbs (153 NM) @ 5500 RPM
Dell'Orto carburetors

Group 5
Ford/Zakspeed Capri Turbo, straight 4 cyl, 4 stroke, petrol engine
1427cc, 80.0 x 71.0 mm
400 HP/9000
DOHC, 4 valves/cyl - 16 valves total
1 x KKK turbocharger

Hewland FT200, 5 speed gearbox

Renault 365 Mk I, 5 speed gearbox
1st 3.61:1
2nd 2.33:1 (42/18)
3rd 1.60:1
4th 1.21:1
5th 0.87:1
Final drive: 3.77:1 (9x34)

Renault 365 Mk II, 5 speed gearbox
1st 3.41:1
2nd 2.24:1
3rd 1.60:1
4th 1.21:1
5th 0.87:1
Final drive: 3.77:1 (9x34)

Renault 336, 4 speed gearbox for Renault engine:
1st: 3.61/1
2nd: 2.25/1
3rd: 1.48/1
4rd: 1.03/1
final drive 3.56/1
Borg & Beck, Diaphragm spring dry single disk clutch, 190.5mm diameter
steel Y back bone chassis bonded to polyester body
Front suspension, unequal length wishbones, coil springs over shock absorbers, 5/8" (15.88mm) antiroll bar
Rear suspension, adjustable ball joints, single top link & lower wishbone with two radius arms, coil springs over shock absorber, Top links: 8.5", Top radius arms 28.5", Bottom radius arm 34.625", 11/16" (17,46mm) antiroll bar
Alford and Adler rack-and-pinion steering
ventilated discs all-round, Early F&R=9.125" (Later Front=10.5"), Dual MC 0.700" Front/0.625" rear
Length 4,000 mm (157.5 in)
Width 1,625 mm (64 in)
Height 1,016 mm (40 in)
Wheelbase 2,310 mm (90.9 in)
Track (fr/r) 1,346 mm (53 in) / 1,230 mm (48.4 in)
wheels, Front 7.5"x13", Rear 10"x13", Lotus 4-spoke magnesium with knock-offs, 4x3.75" bolt pattern
Tyres (fr/r) 7.0 x 13 / 10.0 x 13
710-740kg, f/r distribution 45%-55%
fuel tank, 91 lt
drag coefficient, 0.29


Results in WSCC

Season
Car entry, chassis number Car number/ result
Dayt Vallel Dijon Monza Spa Targa Florio Nurb Le Man Zeltweg Watkins Glen
Team 24h 6h 1000km 1000km 1000km 1000km 24h 1000km 6h
Anatoly Arutunoff #147, dnf
Statistics
Works Starts/finishes 1/0 1/0
Anatoly Arutunoff
Brian Goellnicht 147
Allan Girdler 147

lotus-europa-n.147-allan-go.jpg Source
In Targa Florio '73
Ford1939Suspension054.jpg Source
Europa Special
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Lotus_Europa_Detail.JPG Source
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Group 5
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Group 5
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Group 5

Drawings

Suspension

fig2.jpg Source
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