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Technical
  • Fiat 850 Spider 2nd gen Technical details and specifications (1968-1974)


    ENGINE
    location rear
    4 stroke; cylinders: 4, in line
    bore and stroke: 2.56 x 2.68 in, 65 x 68 mm
    engine capacity: 55.10 cu in, 903 cu cm
    compression ratio: 9.5
    cylinder block: cast iron
    cylinder head: light alloy
    crankshaft bearings: 3
    valves: 2 per cylinder, overhead, in line, push-rods and rockers
    camshafts: 1, side
    lubrication: gear pump, centrifugal filter
    carburation: 1 Weber 30 DIC2 twin barrel carburettor
    fuel feed: mechanical pump
    cooling system: liquid, sealed circuit

    TRANSMISSION
    driving wheels: rear
    clutch: single dry plate
    gearbox: mechanical; gears: 4 + reverse
    synchromesh gears: all
    gear lever location: central
    final drive: hypoid bevel
    axle ratio: 4.875.

    CHASSIS
    type integral
    front suspension independent, wishbones, transverse leaf-spring lower arms, anti-roll bar, telescopic dampers
    rear suspension: independent, semi-trailing arms, coil springs, anti-roll bar, telescopic dampers.

    STEERING
    screw and sector
    turns of steering wheel lock to lock: 3.75.
    turning circle (between walls): 33.5 ft, 10.2 m

    BRAKES
    front disc, rear drum
    lining area: front 20.47 sq in, 132 sq cm
    lining area: rear 33.49 sq in, 216 sq cm
    lining area: total 53.96 sq in, 348 sq cm.

    ELECTRICAL EQUIPMENT
    voltage: 12 V
    battery: 48 Ah
    generator type: alternator, 770 W
    ignition distributor: Marelli

    DIMENSIONS AND WEIGHT
    wheel base: 79.80 in, 2,027 mm
    front track: 46.06 in, 1,170 mm
    rear track: 48.11 in, 1,222 mm
    overall length: 150.55 in, 3,824 mm
    overall width: 58.98 in, 1,498 mm
    overall height: 48.03 in, 1,220 mm
    ground clearance: 5.12 in, 130 mm
    dry weight: 1,610 1b, 735 kg
    distribution of weight: 40% front axle, 60% rear axle

    © Motor car History

    Bodywork: Spider

    Engine position: longitudinal rear

    Traction: rear

    Dimensions (length × width × × height in mm): 3782 × 1498 × 1220

    Minimum turning circle diameter:

    Wheelbase: 2027 mm

    track: front 1170 - rear 1222 mm

    Minimum height from the ground:

    Total seats: 2

    Luggage compartment:

    Tank: 30 lt

    Masses

    empty: 725 kg / towable: 640 kg

    Motor type: 4- cylinder in line Otto cycle, square

    Displacement: (Bore x stroke = 65 x 68 mm), total 903 cm³

    Distribution: 2-valve with rods and rocker arm controlled byside camshaft

    Power supply: Weber 30 DIC 2 double body carburettors

    Engine performance

    Power: 52 hp DIN at 6,500 rpm / torque: 6.6 mkg DIN at 4,000 rpm

    Clutch: dry single-disc

    Change: 4-speed + RM

    Car body

    Load-bearing metal body

    Suspensions

    front: with independent wheels, oscillating transverse arms, helical spring, stabilizing transverse bar, telescopic / rear hydraulic shock absorbers: with independent wheels, upper swinging arms, lower cross leaf spring, stabilizer bar, telescopic hydraulic shock absorbers

    Brakes

    front: disc / rear: drum-type, with hydraulic control, vacuum brake booster and braking limiter at the rear axle. Hand brake on the rear with mechanical control

    Tires

    155 x 13 "

    Speed: 150 km / h

    Acceleration: 17.7 s from 0 to 100 km / h

    consumption

    average 7.2 l / 100 km

Service
  • Fiat 850 Spider 2nd gen Maintenance and Service Guide (1968-1974)


    Fuel: 98 oct petrol
    Engine oil change: 6.51 imp pt. 7.82 US pt. 3.71, SAE 20W (winter) 30 (summer), change every 6,200 miles, 10,000 km
    Total lubricating system capacity: 7.57 imp pt, 9.09 US pt, 4.3 1
    Gearbox and final drive oil: 3.70 imp pt, 4.44 US pt, 2.1 1, SAE 90 EP, change every 18,600 miles, 30,000 km
    Greasing: every 1,600 miles, 2,500 km, 2 points
    Cooling system capacity: 13.20 imp pt, 15.85 US pt,
    Tappet clearances: inlet 0.006 in, 0.15 mm, exhaust 0.008 in, 0.20 mm
    Valve timing: inlet opens 25° before tdc and closes 51° after bdc, exhaust opens 64° before bdc and closes 12° after tdc
    Normal tyre pressure: front 16 psi' 1.1 atm, rear 26 psi, 1.8 atm.
    Width of rims: 5"
    Tyres: 150 x 13 or 155 x 13
    Fuel tank capacity: 6.6 imp gal, 7.9 US gal, 30 1.
    Carrying capacity: 441 1b, 200 kg

    © Motor car History

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Fiat 850 Spider 2nd generation

Fiat 850 Spider 2nd generation

Manufacturer

 FIAT

Class

Sports car

Type

open Spider

Production

1968 to 1974

Assembling

Bertone

Style

Giorgetto Giugiaro 
for Bertone

Length: 150.55 in. 3.824 mm
Width: 58.98 in, 1,498 mm
Height: 48.03 in. 1.220 mm
Ground clearance: 5.12 in, 130 mm
Dry weight: 1.621 lb. 735 kg

 

The Fiat 850 Spider second generation is an open sports car marketed by the Turin-based company Fiat from 1968 to 1974.

History 

From 1968 the second series was put on sale. The Sport Spider body stayed essentially the same a 2 seat open car, but with a restyled front. The headlamps were moved forward slightly, vertically inserted to adapt to the current legislation and the original flush front turn indicators were replaced with units below the bumper not above it as in the model of the first series.

distribution of the cars weight was rearward bias at 40% front axle, 60% rear axle. with the engine increased to 903 cm³ and 3 hp more power now with a max speed of 95 mph. 153 km/h. For acceleration the  standing 1/4 mile in 19.8 sec. 0-50 (0-80 kmh) in  11.8 sec. 

  • PERFORMANCE
    Engine capacity: 55.10 cu in, 903 cu cm
    Fuel consumption: 38.7 mlimp gal, 32.2 mlUS gal, 7.3 1 X 100 km
    Max speed: 95 mph, 153 km/h
    Max power (DIN): 52 hp at 6,500 rpm
    Max torque (DIN): 48 1b ft, 6.6 kg m at 4,000 rpm
    Max engine rpm: 6,600
    Specific power: 57.6 hp/l
    Power-weight ratio: 30.9 lb/hp, 14 kg/hp
    Acceleration: standing 1/4 mile 19.8 sec, 0—50 mph (0 —80 km/h) 11.8 sec

The second series carryinq capacity was 441 1b, (200 kg), as well as several limited special edition versions of the Spider were offered, including the optional hardtop. detachable body-coloured metal hard top and the Berlinetta featuring a black vinyl hard top.