Renault 11 Turbo group A (1984)
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5175368734_2a1bbee557.jpg Source Development chain
1984: Renault 11 Turbo
1987: Renault 11 C375 Turbo
Development level
Group A
Group N
Production

On board with Jean Ragnioti: see video

Specifications

Group/Class 1984 - 1987: A/7
1988+:A/8
Homologation number: A 5211
Years active 1986 - 1987 Homologation start: 1/4/1984
Engine
Type C1J 760/C1J 764, straight 4cyl, 4 stroke. petrol engine located front transverse with 12o rear inclination
Capacity 1401 cc WRC: x 1.4 = 1961 cc
1988+: x 1.7 = 2381.7
Bore x Stroke (mm) 76.0 x 77.2
Compression ratio 8.1:1
Output power - torgue 185 HP / 6800 rpm 27.0 kgm (265 Nm) / 4800 rpm
Main bearings 5 of 54.8mm diameter connecting rod distance between centers 128mm, big end bearing diameter 47.6mm
Materials block: cast iron 203.9mm height cylinderhead: aluminium alloy 73.5mm height
Cams/valves 1 side camshaft with overhead valves (OHV), pushrods and rocker arms operation, chain driven 2 valves/cyl. - 8 valves total. 34.2mm inlet valve diameter, 29mm exhaust valve diameter. 1 coil spring per valve
Aspiration Garrett T2 turbocharger (heat resistance inox alloy turbine 47mm diameter, aluminium compressor 48mm diameter) with air/air intercooler, 1 x Solex 32 DIS single barrel carburetor pressure: 1 bar
Ignition electronic, firing order 1-3-4-2
Cooling system watercooled 6 lt
Lubrication system wet sump 3.65 lt
Transmission
Type front wheel drive 5 speed JB3 gearbox
Gearbox ratios 1st: 3.091/1 (34/11)
2nd: 1.842/1 (35/19)
3rd: 1.320/1 (33/25)
4th: 0.967/1 (29/30)
5th: 0.758/1 (25/33)
R: 3.545/1 (39/26 x 26/11)
1st: 3.091/1 (34/11)
2nd: 1.824/1 (31/17)
3rd: 1.350/1 (27/20)
4th: 1.040/1 (26/25)
5th: 0.897/1 (26/29)
R: 3.545/1 (39/26 x 26/11)
Diffrential ratio 4.067/1 (61/15).
1985+: 4.385/1 (57/13), 3.714/1 (52/14).
1986+: 3.313/1 (53/16). 5.083/1 (61/12).
1987+: 4.750/1 (57/12).
1988+: 4.917/1 (59/12), 4.667/1 (56/12)
helical gears 45% limited slip ZF differential
Chassis
Type steel monocoque C37 chassis with roll-cage. Front steel subframe. 3 door hatchback steel bodyshell with plastic bumpers
Front suspension Mac pherson strut with lower wishbone, coil springs, telescopic gas shock absorber and anti-roll bar
Rear suspension trailing arm with torsion bar, telescopic gas shock absorber and anti-roll bar
Steering system rack and pinion 19.5/1, 16.5/1 (1985+), 15.5/1 (1986+), 12.75/1 (1986+), 14.38/1 (1986+), 13.33/1 (1987+)
Brakes front ventilated disks 238mm diameter with 1 cast iron piston caliper.
1985+: solid disks 238mm diameter with 1 aluminium piston caliper, or ventilated disks 270/280mm diameter with 4/1 aluminium piston caliper.
Rear drums 180mm diameter.
1985+: solid disks 238/254mm diameter with 1/2 aluminium piston calipers, or ventilated disks 275mm diameter and 2 aluminium piston calipers
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.985 m (156.9 in) width: 1.660 m (65.4 in) height: 1.379 m (54.3 in)
wheelbase: 2.483 m (97.8 in) front track: 1.455 m (57.3 in) rear track: 1.386 m (54.6 in)
Rims - tires 5.5 - 6" x 14 - 15" Michelin 21/ 59/15
Weight 900 kg
Weight/power 4.9 kg/HP
Fuel tank 47 lt
Drag coefficient 0.37

Results in WRC

Statistics

1984 1985 1986 1987 1988-1989 1990 Total
Works
Races /wins 2 4/(3) 6/(3)
Entries/finishes 2/1 9/9 11/10 (90.9%)
Others
Races/gr A wins (A/7 wins) 1 2 +2/(1) 1 6/(1)
Entries/finishes 1/1 2/0 5/2 8/3 1/1 17/7 (41.2%)
Total WRC results
Races/gr A wins (A/7 wins) 1 2 4/(1) 4/(3) 1 12/(4)
Entries/finishes 1/1 2/0 7/3 17/12 1/1 28/17 (60.7%)

Races

Works team: Renault Elf Philips

Season

Group A classification is noted in brackets
Entry Rally event
Driver
Codriver
Team M.C (SVE)
Entry list
POR KEN TdC GRE N.Z ARG FIN S.R (CdI) RAC
Chrístos Panourgias
Chrístos Smailis
20th (4th)
Statistics
Others starts/finishes 1/1 1/1

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Drawings

renault-17-turbo.gif Source
renault11turbo18.JPG Source
EL TURBO EN DETALLE 1- Bocina del carburador 2- Carburador Solex. 3- Manguera de paso de aire refrigerado 4- Gases de escape que impulsaran la turbina 5- Accionamiento de la valvula
"waste-gate" 6- Turbocompresor Garrett-T2 7- Aire caliente 8- Manguera de entrada al intercambiador aire-aire. 9- Encendido electronico 10- Disco de freno ventilado delantero 11- Toma de aire 12- Intercambiador de calor aire-aire. 13- Salida de aire refrigerado hacia el carburador 14- Filtro de aire 15- Conducto de aire 16- Sensor que detecta la detonacion pistoneo 17- Intercambiador de calor aceite-aire
JB3.jpg Source
jb3-2.jpg Source
Renault JB3 gearbox
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