Opel Ascona B 400 group 4 (1980)
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opel-ascona-400-kleint-wanger-rally-monte-carlo-1980-1-18-16774-p.jpg Source Development level
Group 4
Group 2

Drifting: see video1 and video2 (Sweden rally '83)
On board (tarmac): see video
On board (gravel): see video


Specifications

Group/Class 4/4 and B/12 Homologation number: 666 and phase 2: B221 (08/01 ET)
Years active 1980 - 1984 Homologation start: 1/11/1979 and 1/11/1982
Engine
Type 4S phase 1 and phase 2 with cosworth crossflow cylinderhead, straight 4 cyl, 4 stroke, petrol engine located front longitudinal
Capacity 2410 cc WRC: 2410 cc
Bore x Stroke (mm) 95.0 x 85.0
Compression ratio 11.5:1
Output power - torgue phase 1 (1980 - 1981): 240 HP/ 7000 rpm
phase 2 (1982 +): 255 HP/7000 rpm
phase 1: 28.0 kgm (275 Nm) / 5000 rpm
phase 2: 29.6 kgm (290 Nm) / 5000 rpm
Main bearings 5 of 57.8mm diameter connecting rod length between centers 134mm, big end bearing diameter 55mm
Materials block: cast iron cylinderhead: aluminium
Cams/valves 2 overhead camshafts (DOHC), chain driven to one camshaft, and gear driven from camshaft to camshaft 4 valves/1cyl. - 16 valves total. 35.7mm inlet valve diameter, 30.2mm exhaust valve diameter. 10o angle between inlet valve axis and vertical, 10o angle between exhaust valve axis and vertical. phase 2: 38mm inlet valve diameter, 32mm exhaust valve diameter
Aspiration natural, 2 x Weber DCOE 48 carburetors
Ignition electronic, firing order 1-3-4-2
Cooling system watercooled
Lubrication system dry sump 15 lt
Transmission
Type rear wheel drive 5 speed getrag gearbox
Gearbox ratios constant input: 1.034/1 (30/29)
1st: 2.328/1 (36/16)
2nd: 1.674/1 (34/21)
3rd: 1.352/1 (34/26)
4th: 1.144/1 (31/28)
5th: 1.000/1 (direct)
R: 2.650/1 (41/16)
constant input: 1.652/1 (38/23)
1st: 3.717/1 (36/16)
2nd: 2.403/1 (32/22)
3rd: 1.766/1 (31/29)
4th: 1.263/1 (26/34)
5th: 1.000/1 (direct)
R: 4.230/1
phase 2: constant input: 1.038/1 (27/26)
1st: 2.337/1 (36/16)
2nd: 1.671/1 (34/21)
3rd: 1.355/1 (30/23)
4th: 1.163/1 (28/25)
5th: 1.000/1 (direct)
R: 2.650/1 (41/16)
Diffrential ratio from 6.1/1 to 3.180/1 hypoid spiral bevel gears, 75% - 80% limited slip rear differential
Clutch dry, single plate, 9" (229mm) diameter. phase 2: double plate
Chassis-body
Type steel monocoque chassis with steel or aluminium roll cage and front subframe for front suspension. 2 doors coupe steel/plastic bodyshell with plastic bonnet, front and rear bumbers and spoilers
Front suspension double unequal wishbones with coil springs, Bilstein telescopic gas shock absorbers and anti-roll bar
Rear suspension live axle with 4 longitudinal links, panhard rod, coil springs and Bilstein telescopic gas shock absorbers. See picture
Steering system rack and pinion 2.7 turns lock to lock, 15.5/1
Brakes front ventilated disks 271/279/289mm diameter with 2 or 4 piston callipers, rear solid or ventilated (phase 2) disks 271/277/304mm diameter with 2 or 4 piston callipers adjustable dual circuit with servo
Dimensions
length: 4.320 m (170.0") width: 1.664 m (65.5"). phase 2: 1.760 m (69.3") height: 1.360 m (53.5")
wheelbase: 2.518 m (99.1") front track: 1.387 m (54.6") rear track: 1.375 m (54.1")
Rims - tires 5" - 8" x 14" - 15" Michelin TRX 135-250TR290, 205/50 R14
Weight 1050 - 1100 kg
Weight/power 4.6 kg/HP
Fuel tank 60 lt, 80 lt, 110 lt

Results in WSCC

Phase 2 specifications
Season
Classification in group 4 is noted in brackets
Car entry, chassis number Car number/ result
Monza Silver stone Nurb Le Mans Spa Mugello Fuji Brands Hatch
Team 1000km 6h 1000km 24h 1000km 1000km 6h 1000km
Mantzel & Kissling Tuning #59, in entry list
Mantzel & Kissling Tuning #60, 22nd (15th)
Mich Opel Tuning #61, 8th (4th)
Total points
3
3
Statistics
Starts/finishes 2/2 2/2
Driver Team entries and car number
Mantzel & Kissling Tuning
Helmut Hennes 59
Manfred Wollgarten 59
Wolfgang Offermann 60
Christoph Esser 60
Mich Opel Tuning
Karl-Heinz Schäfer 61
Karl-Heinz Gürthler 61

Results in WRC

Statistics

1980 1981 1982 1983 1984 1985 1986 Total
Works
Races /wins 8/1 2 12/2 3/1 25/4
Entries/finishes 14/8 2/1 23/14 6/4 45/27 (60%)
Others
Races/wins +1 +6 +2 9 3 2 23
Entries/finishes 7/2 18/11 13/4 5/2 17/9 4/2 3/1 67/31 (46.3%)
Total WRC results
Races/wins 9 8 12/2 5/1 9 3 2 48/4
Entries/finishes 21/10 20/12 36/18 11/6 17/9 4/2 3/1 112/58 (51.8%)
Total points 52 57 112 27 18 5 0 271
(5.646 per race)
(2.420 per entry)

Races

Works team:

  • works1: Opel Euro Händler (1980-1981)
  • works: Rothmans Opel Rally Team (1982-1983)
Season
Entry Rally event
Driver
Codriver
Team M.C (SVE)
Entry list
POR KEN GRE ARG (FIN) N.Z S.R TdC RAC CdI
Jochi Kleint
Gunter Wanger
works1 8th acci dent 9th 11th diff ere ntial
Anders Kulläng
Bruno Berglund
works1 4th 1st acci dent 4th punc tures gear box 5th
Jean-Pierre Nicolas
Henry Liddon
works1 5th
Shekhar Mehta'
Yvonne Mehta
works1 broken wheel
Björn Johansson
Ragnar Spjuth
Team Rallyesport 4th acci dent*
'Tony'
'Rudy'
Conrero brakes
Dario Cerrato
Luciano Guizzardi
Conrero half shaft
Giorgio Bernocchi
Federico Scotti
9th
Jean-Louis Clarr
Jean-François Fauchille
Simon Clarr Racing trans miss ion
Guy Colsoul
Alain Lopès
Dealer Opel Team Belux fly wheel
Total points
()
52 10 10 8 7 7 2 8
Statistics
Works starts/finishes 14/8 2/2 1/1 2/0 2/2 3/2 1/0 2/0 1/1
Others starts/finishes 7/2 1/1 3/1 1/0 2/0

*Dealer Opel Team Sweden entry


ascona400.jpg Source
Rothmans Opel Rally Team in 1982
ascona400-2.jpg Source
Opel Euro Händler Team in 1980-81

Information and articles

Article from 4T 126, 3/1981

Click here
sx5.jpg Πηγή

Article from Auto Express (GR) 282, 1/1991

Click here

Engine

Source
400er-1.jpg
400er-2.jpg
400er-3.jpg
400er-4.jpg
400er-5.jpg
400er-6.jpg

Drawings

techartascona400.jpg Source
Group 4

Rear suspension

opel400susp.jpg Source
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