Renault Alpine A110 1.6 group 4 (1970)
 Source |
Development chain 1970: Renault Alpine A110 1.6 1972: Renault Alpine A110 1.8 1974: Renault Alpine A310 1977: Renault Alpine A310 V6 |
Chassis registry
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Drifting: see video
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Specifications
Technical info
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Production engines
| Group | 4 | 3 | 3 | |
|---|---|---|---|---|
| Homologation number | 624 | 3035 | 3068 | |
| Homologation start | 1/1/1970 | 1/10/1970 | 1/7/1972 | Extension 13/7E, 1/5/1977 |
| Homologation end | 31/12/1970 | 31/12/1979 | 31/12/1981 | |
| Model | A110 1600 S VB | A110 1600 SC VD | A110 1600 SX VH | |
| Engine Type | Renault Cléon-Alu A2L 807-24 | Renault Cléon-Alu A2L or 844-32 | Renault Cleon-Alu A6M 843 | |
| Bore x Stroke (mm) | 77.0 x 84.0 | 78.0 x 84.0 | 79.0 x 84.0 | |
| Capacity (cc) | 1565 | 1605 | 1647 | |
| Compression | 10.25:1 | 9.25:1 | ||
| Valves | I42, E35.5 | I38.7, E34.5 | ||
| Aspiration | 2 x Weber 45 DCOE | 1 x Weber 32 DAR | ||
| Power output | 125 HP @ 6000 rpm | 95 HP @ 6000 rpm | ||
| Torque | 14.5 kgm @ 4500 rpm | 13.2 kgm @ 3000 rpm | ||
Racing engine
Analytical specifications and drawings
| Engine | |||||
|---|---|---|---|---|---|
| Type | Renault Cléon-Alu A2L 807G,straight 4 cyl, 4 stroke, petrol engine | located longitudinally behind rear axle | |||
| Capacity | 1596 cc | WRC: 1596 cc | |||
| Bore x Stroke (mm) | 77.8 x 84.0 | ||||
| Compression ratio | 11.5:1 | ||||
| Output power - torgue | 155 HP @ 7000 rpm 160 HP @ 7200 rpm |
184 Nm (121 ft.lbs) @ 6000 rpm | |||
| Main bearings | cast iron crankshaft with 5 main bearings 54.8 mm diameter | connecting rod length 136.25 mm with 3/8" 8740 bolts, big end bearing dimensions D51.6x25mm, small end bearing D21x22mm. Cast aluminium alloy piston with 46 mm compression height. Piston rings 1,75/2/4mm, Piston pin D21 x 66,50mm. | |||
| Materials | block: aluminium alloy with 89mm bore spacing. Steel wet cylinder liners (Outside diameter down: 82,50mm. Outside diameter above: 96,0mm. Height totally: 143,50mm) | cylinderhead: cross flow cast aluminium alloy with hemispherical combustion chambers | |||
| Cams/valves | side camshaft with pushrods and overhead valves (OHV), rocker arms and tappets, chain driven | 2 valves/cyl. - 8 valves total. 42 inlet valve diameter, 35.5mm exhaust valve diameter. 2 coil springs per inlet valve, 1 coil spring per exhaust valve | |||
| Aspiration | natural, 2 x Weber 45 DCOE carburetors | ||||
| Ignition | electronic with Champion N57R spark plugs, firing order 1-3-4-2 | ||||
| Cooling system | jacketed watercooled with pump, radiator, 2x150 mm diameter-7 blades fan and thermostat | 10 lt | |||
| Lubrication system | wet sump | 4 lt | |||
Other specs
| Transmission | |||||
|---|---|---|---|---|---|
| Type | rear wheel drive | Alpine 364, 5 speed manual gearbox | |||
| Gearbox ratios | 1st: 3.61/1 (47/13) 2nd: 2.37/1 (45/19) 3rd: 1.70/1 (39/23) 4th: 1.30/1 (35/27) 5th: 1.03/1 (32/31) R: 3.08/1 (40/13) |
1st: 3.61/1 (47/13) 2nd: 2.50/1 (45/18) 3rd: 1.91/1 (42/22) 4th: 1.48/1 (37/23) 5th: 1.14/1 (33/29) R: 3.08/1 (40/13) |
1973: 1st: 3.61/1 (47/13) 2nd: 2.33/1 (42/18) 3rd: 1.61/1 (37/23) 4th: 1.21/1 (34/28) 5th: 0.967/1 (30/31) R: 3.08/1 (37/12) |
1973: 1st: 3.07/1 (43/14) 2nd: 2.25/1 (36/16) 3rd: 1.68/1 (37/22) 4th: 1.30/1 (35/27) 5th: 1.03/1 (32/31) R: 3.08/1 (37/12) |
1976: 1st: 3.82/1 (42/11) 2nd: 2.24/1 (38/17) 3rd: 1.48/1 (34/23) 4th: 1.04/1 (29/28) 5th: 0.86/1 (31/36) R: 3.50/1 (42/12) |
| Diffrential ratio | 3.778/1 (34/9), 4.125/1 (33/8), 3.56/1 (32/9), 3.37/1 (27/8), 1971: 3.09/1 (34/11) 1976: 3.875/1 (31/8) |
Hewland spiral bevel gears limited slip rear differential | |||
| Clutch | dry single plate 215 mm disc diameter, 1971 group 4: single plate 200 mm diameter 1975 group 4: double plate 186 mm diameter |
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| Chassis-body | |||||
| Type | steel central-tube backbone Alpine Type VB chassis with front and rear subframes. 2 door coupe fiberglass bodyshell. Group 4: extended wheel arches | ||||
| Front suspension | double Wishbones with Coil Springs, Dampers, Anti-Roll Bar. Geometry | ||||
| Rear suspension | Renault Swing Axles with longitudinal Radius Arms, Coil Springs, Dampers, Anti-Roll Bar | ||||
| Steering system | rack and pinion (no servo) | 3.2 (17.1/1 ) turns lock to lock. Quick rack = 2.5 turns, 13.5/1 | |||
| Brakes | front solid disks with 261mm disk diameter and 1 piston caliper 38 mm piston diameter. Rear solid disks with 261mm disk diameter with 1 piston caliper 32 mm piston diameter. Group 4: front solid discs 254 mm diameter with 1 piston caliper 48 mm piston diameter. Rear solid discs 250 mm diameter with 1 piston caliper 45 mm diameter |
dual circuit with servo, adjustable ratio split front to rear | |||
| Dimensions | |||||
| length: 3845 mm (151.4") | width: 1520 mm (59.8"), group 4: +100 mm | height: 1120 mm (44.1") | |||
| wheelbase: 2100 mm (82.7") | front track: 1358 mm (53.5") | rear track: 1337 mm (52.6") | |||
| Rims - tires | 5J or 5.5J or 6J x 13". 4 x D140 mm bolt pattern | 165/70 x 13", Michelin SB9, front 21 x 13" or 175/60R13 72V, rear 25 x 13" or 225/45R 13 77V | |||
| Weight | 650 - 750 kg | 36% - 64% f/r distribution | |||
| Fuel tank | 38 or 50 lt front, 79 lt rear, 1974, 844G: 98 lt | ||||
Results in WSCC
Season
Group 3
Group 3
| Car entry, chassis number | Car number/ result | ||||||||||
| Dayt | Sebring | Brands Hatch | Monza | Targa Florio | Spa | Nurb | Le Man | Watkins Glen | Zeltweg | ||
| Team | 24h | 12h | 1000km | 1000km | 1000km | 1000km | 24h | 6h | 1000km | ||
| Bernard Collomb/ Pierre Agostini | #91, dnt qualify | #99, in entry list | |||||||||
| Michel Vial/ Jean-Louis Marnat | #92, dnt qualify | ||||||||||
| Statistics | |||||||||||
| Starts/finishes 2/0 | 2/0 | ||||||||||
Results in WRC
Races
Works team: Alpine Renault
Season
| Entry | Rally event | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | M.C | SVE Entry list |
S.R | KEN | A | GRE | RAC Entry list |
||||||||
| Jean Vinatier Jean-François Jacob/ Marcel Callewaert |
works | acci dent | stuck in snow | |||||||||||||
| Jean Vinatier Jean-François Jacob 16660 |
works | 3rd | ||||||||||||||
| Jean Vinatier David Stone 16767 |
works | 2nd | ||||||||||||||
| Jean-Claude Andruet Patrice Écot |
works | excl uded | ||||||||||||||
| Jean-Pierre Nicolas Claude Roure/ David Stone |
works | eng ine | fire | |||||||||||||
| Jean-Luc Thérier Marcel Callewaert |
works | 1st | gear box | 1st | drive shaft | |||||||||||
| Bernard Darniche Alain Mahé |
works | 5th | ||||||||||||||
| Andrew Cowan Hamish Cardno |
works | 5th | ||||||||||||||
| Ove Andersson Elizabeth Andersson |
works | acci dent | ||||||||||||||
| Roland Charrière Yannick Castel |
9th | |||||||||||||||
| Jorma Lusenius Seppo Halme |
clutch | |||||||||||||||
| Walter Roser Werner Pucher |
Bosch Racing Team Wien | acci dent | ||||||||||||||
| George Kritikos Kostas Mexis |
dnf | |||||||||||||||
| Nigel Hollier Philip Short |
trans miss ion | |||||||||||||||
| Total points () |
51 | 2 | 18 | 6 | 19 | 6 | ||||||||||
| Statistics | ||||||||||||||||
| Others starts/finishes | 19/7 | 3/1 | 3/0 | 2/2 | 3/1 | 3/2 | 5/1 | |||||||||
Article from 4T 497, 2/2012
SourceMichele Mouton
Drawings
Source
Source
page revision: 355, last edited: 07 Jan 2020 12:58