Fiat 124 Sport Spider group 3 (1967)
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1967: Fiat 124 Sport Spider
1970: Fiat 124 Sport Spider 1.6
1973: Fiat 124 Abarth Rally
1975: Fiat 124 Abarth Rally 16V

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Chassis numbers information

Specifications

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Group/Class 3 Homologation number: 562 and 3007
Years active 1967-1970 Homologation start: 1/4/1967 and 1/1/1970
Homologation end: 31/12/1980
Engine
Type Fiat Twin Cam (Lambredi), Type 2ACT, 124AC.000, 1973: 132SC.000, straight 4cyl, 4 stroke, petrol engine located front longitudinal
Capacity 1438 cc, 1973: 1592 cc WRC: 1438 cc, 1973: 1592 cc
Bore x Stroke (mm) 80.0 x 71.5, 1973: 80.0 x 79.2
Compression ratio 8.9:1, 1973: 9.8:1
Output power - torgue 90 Hp @ 6500 rpm
1973: 109 HP @ 6000 rpm
11 kgm @ 3600 rpm
1973: 14 kg @ 4000 rpm
Main bearings 5 of 50.87mm diameter connecting rod length between centers 136mm, big end bearing internal diameter 45.58mm, 1973: 48.3mm, aluminium alloy piston 47.25 mm piston height, 1969: 44.2 or 41.95 mm piston height
1973: 46.2 mm piston height
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 2 valves/cyl - 8 valves total. 41.4mm inlet valve diameter, 36mm exhaust valve diameter. 32.5o angle between inlet valve axis and vertical, 32.5o angle between exhaust valve axis and vertical. 2 springs per inlet and exhaust valve
Aspiration natural, 1 x Weber 34 DFH1 carburetor, 1968: 1 x Weber 34 DFH2 or 34 DFH3 or 34 DFH4 or 34 DHS1 carburetor
1969: 1 x Weber 34 DHS3 carburetor
1970: 1 x Weber 34 DHS10 carburetor
1973: 1 x Weber 34 DMS or Solex C34 EIES5 carburetor
Ignition electronic, firing order 1-3-4-2
Cooling system watercooled 6 lt 1970: 7.5 lt
Lubrication system wet sump 3.3 lt, 1973: 4 lt
Transmission
Type rear wheel drive 5-speed manual gearbox
Gearbox ratios constant: 1.556/1 (28/18)
1st: 3.422/1 (33/15)
2nd: 2.100/1 (27/20)
3rd: 1.361/1 (21/24)
4th: 1.000/1
5th: 0.912/1 (17/29)
R: 3.526/1 (34/15)
constant: 1.474/1 (28/19)
1st: 3.242/1 (33/15)
2nd: 1.989/1 (27/20)
3rd: 1.289/1 (21/24)
4th: 1.000/1
5th: 0.864/1 (17/29)
R: 3.34/1 (34/15)
1968: constant: 1.474/1 (28/19)
1st: 3.474/1 (33/14)
2nd: 1.989/1 (27/20)
3rd: 1.289/1 (21/24)
4th: 1.000/1
5th: 0.835/1 (17/30)
R: 3.34/1 (34/15)
1968: constant: 1.611/1 (29/18)
1st: 3.797/1 (33/14)
2nd: 2.175/1 (27/20)
3rd: 1.410/1 (21/24)
4th: 1.000/1
5th: 0.913/1 (17/30)
R: 3.652/1 (34/15)
1969: constant: 1.474/1 (28/19)
1st: 3.242/1 (33/15)
2nd: 1.825/1 (26/21)
3rd: 1.289/1 (21/24)
4th: 1.000/1
5th: 0.835/1 (17/30)
R: 3.34/1 (34/15)
Diffrential ratio 4.10/1 (41/10),4.30/1 (43/10), 4.444/1 (40/9), 4.777/1 (43/9), 5.375/1 (43/8), 6.14/1 (43/7) hypoid spiral bevel gears limited slip rear differential
Clutch dry single plate, 200mm diameter
Chassis-body
Type steel monocoque 124 AS chassis with roll-cage. 1969: 124 BS chassis, 1973: 124 CS chassis. 2 door open top bodyshell. 1968: hardtop
Front suspension double wishbones with coil springs, telescopic shock absorbers and antiroll bar
Rear suspension live axle with lower radius arms, coil springs, telescopic shock absorbers
Steering system worm and roller 2.75 turns lock to lock, 1969: 3.25 turns lock to lock
Brakes ventilated disks all around with 227mm disk diameter, front 1 piston caliper 48 mm diameter, rear 1 piston caliper 34 mm diameter dual circuit with servo
Dimensions
length: 3.971 m (156.34 in) width: 1.613 m (63.5 in) height: 1.250 m (49.21 in)
wheelbase: 2.280 m (89.8 in) front track: 1.346 m (53.0 in) rear track: 1.316m (51.8 in)
Rims - tires 5" x 13", 1968: 6J x 13" 145/80 SR 13", 165 SR 13", 175/70 SR 14"
Weight 860 kg
Fuel tank 45 lt
Drag coefficient 0.45
4 speed manual gearbox
1970: constant: 1.706/1 (29/17)
1st: 3.75/1 (33/15)
2nd: 2.30/1 (27/20)
3rd: 1.49/1 (21/24)
4th: 1.000/1
R: 3.87/1 (34/15)
1971: constant: 1.238/1 (26/21)
1st: 2.724/1 (33/15)
2nd: 1.857/1 (27/18)
3rd: 1.351/1 (24/22)
4th: 1.000/1
5th: 0.840/1 (19/28)
R: 2.806/1 (34/15)
1973: constant: 1.556/1 (28/18)
1st: 3.667/1 (33/14)
2nd: 2.100/1 (27/20)
3rd: 1.361/1 (21/24)
4th: 1.000/1
5th: 0.881/1 (17/30)
R: 3.526/1 (34/15)

Results in WSCC

Season
Group 3 classification is noted in brackets
Car entry, chassis number Car number/ result
Dayt Sebring Monza Spa Targa Florio Nurb Le Man Hock Mugelo Brands Hatch CdE Zeltweg Ollon Nurb
Team 24h 12h 1000km 1000km 720km 1000km 24h 304km 529km 6h 300km 500km Hill climb 500km
Sergio Bettoja #24, 10th (3rd)
Nord-Ovest #26, 17th (11th)
Pegaso #32, 20th (10th)
Raffaele Restivo/ Francesco Jemma #116, dnf
Giuseppe Ceccato/ Franco Pianezzola #119, 31st (14th)
Total points
1
1
Statistics
Works Starts/finishes 5/4 3/3 2/1
Driver Team entries and car number
Sergio Bettoja
Raffaele Restivo 24
"The Tortoise" 24
Nord-Ovest
Francesco Cosentino 26
Walfrido Orecchioni 26
Pegaso
"Harka" 32
"M. P." 32

1969_Fiat-124_Sport_Spider_1969-02.jpg Source
Fiat_124_sp_v_sst.jpg Source

Drawings

FIAT124SportSpider1969-1982B_800.jpg Source
FIAT124BS.gif Source
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