Renault 11 Turbo group A (1984)
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Development chain 1984: Renault 11 Turbo 1987: Renault 11 C375 Turbo |
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Table of Contents
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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 |
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| 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 | 2/1 | 2/0 | 5/2 | 8/3 | 1/1 | 18/7 (38.9%) | |||
| Total WRC results | |||||||||
| Races/gr A wins (A/7 wins) | 1 | 2 | 4/(1) | 4/(3) | 1 | 12/(4) | |||
| Entries/finishes | 2/1 | 2/0 | 7/3 | 17/12 | 1/1 | 29/17 (58.6%) | |||
Races
Works team: Renault Elf Philips
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 | ||
| Jean-Pierre Deriu Joël Mariani |
17th* | ||||||||||||||
| Alain Oreille Sylvie Oreille |
21st* | ||||||||||||||
| Chrístos Panourgias Chrístos Smailis |
20th (4th) | ||||||||||||||
| Sotiris Kokkinis Tonia Pavli |
dnf | ||||||||||||||
| Livio Lupidi Arles Montenesi |
dnf* | ||||||||||||||
| Patrick Maziere Christian Bedeau |
dnf* | ||||||||||||||
| Statistics | |||||||||||||||
| Others starts/finishes | 2/1 | 2/1 | |||||||||||||
*Group N3 entries
Article for production
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Drawings
Source
SourceEL 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
Source
SourceRenault JB3 gearbox
page revision: 112, last edited: 07 Nov 2019 05:05
