Renault 11 Turbo group A (1984)
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1984: Renault 11 Turbo
1987: Renault 11 C375 Turbo

On board with Jean Ragnioti: see video

Specifications

Group/Class 1984 - 1987: A/7
1988+:A/8
Homologation number: A5211
Years active 1986 - 1987 Homologation start: 1/4/1984
Homologation end: 31/12/1992
Engine
Type Renault Cleon Fonte C1J 760/C1J 764, straight 4cyl, 4 stroke. petrol engine located front transverse with 12o rear inclination
Capacity 1401 cc.
1987: 1397 cc
WRC: x 1.4 = 1961 cc
1987: x 1.4 = 1956 cc
1988+: 1401 x 1.7 = 2381.7,
1397 x 1.4 = 2375.2
Bore x Stroke (mm) 76.0 x 77.2
Compression ratio 8.5:1
Output power - torgue 185 HP / 6800 rpm 27.0 kgm (265 Nm) / 4800 rpm
Main bearings cast iron crankshaft with 5 main bearings 54.8mm diameter, big end journals diameter 44mm connecting rod distance between centers 128mm, big end bearing tunnel diameter 47.6mm, aluminium alloy piston with 38.2mm compression height
Materials block: cast iron 203.9mm height cylinderhead: reverse flow aluminium alloy with "wedge" shape combustion chambers, 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 (11 blades heat resistance inox alloy turbine 35,5/47mm in/out diameter, 12 blades aluminium compressor 33,9/48mm in/out diameter) with air/air intercooler, 1 x Solex 32 DIS single barrel carburetor pressure: 0.65-1 bar
Ignition electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, 10 blades+350mm diameter fan and thermostat 6 lt
Lubrication system wet sump with 1 oil cooler 3.65 lt
Transmission
Type front wheel drive Renault JB3, 5 speed manual 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)
1985: 1st: 2.636/1 (29/11)
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), 3.313/1 (53/16).
1986: 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
Clutch dry, single disc 200mm diameter
Chassis
Type steel monocoque Renault C37 chassis with 26kg AlZnMg1 alouminium (D40x3.5mm), or 15.5kg AlZn4.5Mg1 (D40x3.5mm), or 24.5kg St52 steel (D40x2mm) roll-cage. 1986: 27.5kg AlZn4.5Mg1 aluminium (D40x3.5mm) roll cage. Front steel subframe. 3 doors (1985: or 5 doors) hatchback steel bodyshell with steel doors and front/rear bonnets, and plastic front/rear bumpers. 1985: 11 Turbo Zender, 3 door version with plastic front/rear spoilers.
1992: cancelled all aluminium roll cages
Front suspension Mac pherson strut with "A" 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 (no servo). 1986: with AP hydraulic power assistance 19.5/1 ratio, 1985: 16.5/1. 1986: 14.38/1, 15.5/1, 12.75/1. 1987: 13.33/1
Brakes Front ventilated discs 238mm diameter with 1 cast iron piston caliper 48mm diameter, rear drums 180mm diameter with 1 cast iron piston caliper 22mm diameter.
1985: front ventilated discs 250mm diameter with 4 aluminium piston calipers 38.1mm diameter, rear solid discs 254mm diameter with 2 aluminium piston calipers 41.3mm diameter.
1985: front ventilated discs 260/280mm diameter with 4 aluminium piston calipers 41.3mm diameter, rear solid discs 238mm diameter with 1 aluminium piston caliper 30mm diameter.
1985: ventilated discs 275mm diameter with 1 cast iron/aluminium piston caliper 54mm diameter, or solid discs 238mm diameter with 1 aluminium piston caliper 36mm diameter.
1985: front ventilated discs 270mm diameter with 4 aluminium piston calipers 41.3mm diameter, rear ventilated discs 269mm diameter with 1 aluminium piston caliper 54mm diameter.
1986: front ventilated discs 280mm diameter with 1 aluminium piston caliper 60mm diameter, rear solid discs 254mm diameter with 1 aluminium piston caliper 36mm diameter, or rear solid discs 238mm diameter with 1 aluminium piston caliper 45mm diameter.
1987: front ventilated discs 270/280/300mm diameter with 4 magnesium/aluminium piston calipers 2x38.1+2x41.3mm pairs diameter.
1987: rear ventilated discs 254mm diameter with 4 aluminium piston calipers 31.7mm diameter.
dual circuit with Teves vacuum servo, adjustable ratio split front to rear. 1987: air hose for front brakes ventilation
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: 1.408 m (55.3") rear track: 1.357 m (53.4")
Rims - tires 5.5 - 6" x 14 - 15" Michelin 21/ 59/15
Weight 900 kg
Fuel tank 50 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

Article for production

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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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