Ford Escort Mk V RS Cosworth group A (1993)

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Development chain 1968: Ford Escort Mk I Twin Cam 1970: Ford Escort Mk I RS1600 1974: Ford Escort RS2000 1983: Ford Escort Mk III RS1600i 1985: Ford Escort Mk III RS Turbo 1992: Ford Escort Mk V RS2000 1993: Ford Escort Mk V RS Cosworth 1996: Ford Escort Mk VI RS2000 |
Development level WRC Group A Group N |
See video
Specifications
7145 units built
92: 2443
93: 1743
94: 1786
95: 1106
96: 67
Engine service manual
See group N preparation manual
Group/Class | A/8 | Homologation number: A5466 | |||
Years active | 1993 - 1996 | Homologation start: 1/1/1993 Homologation end: 31/12/2000 |
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Engine | |||||
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Type | Cosworth YBT based on Pinto block, straight 4cyl, 4 stroke, petrol engine | located front longitudinal, vertical | |||
Capacity | 1994.4 cc | WRC: x 1.7 = 3390.5 cc | |||
Bore x Stroke (mm) | 90.8 x 77.0 | ||||
Compression ratio | 7.5:1 | ||||
Output power - torgue | 310 HP / 6250 rpm | 45.9 kgm (450 Nm) / 4500 rpm 50.0 kgm (490 Nm) / 3500 rpm |
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Main bearings | forged steel crankshaft with 5 main bearings 57mm diameter | connecting rod distance between centers 128.5mm, big end bearing tunnel diameter 55mm | |||
Materials | block: cast iron, 220mm height | cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers, 138mm height | |||
Cams/valves | 2 overhead camshafts (DOHC), belt driven. Blue camshaft cover | 4 valves/cyl. - 16 valves total. 35.25mm inlet valve diameter, 31.25mm exhaust valve diameter. 22.5o angle between inlet valve axis and vertical, 22.5o angle between exhaust valve axis and vertical. 1 coil spring per valve | |||
Aspiration | Garrett T35 turbocharger (11 blades high temperature nickel/iron alloy 48.8/58.9mm in/out diameter, 14 blades aluminium compressor 49.05/69.1mm in/out diameter) with air/air intercooler and single nozzle water injection. 38mm turbo restrictor fitted, Ford EEC IV or (1994+) Weber-Marelli IAW P8 multipoint electronic fuel injection. 1995+: 34mm turbo restrictor fitted |
pressure: 1.4 - 2.2 bar | |||
Ignition | Weber Marelli electronic, firing order 1-3-4-2 | ||||
Cooling system | jacketed watercooled with pump, radiator, fan and thermostat | 7.5 lt | |||
Lubricating system | wet sump with 1 oil cooler | 4.75 lt | |||
Transmission | |||||
Type | four wheel drive | Ford MT75 5 speed or Ford MS92/1 7 speed manual gearbox or 1995+: X-trac 6 speed sequential gearbox | |||
Gearbox ratios | constant input: 1.320/1 (33/25) 1st: 3.608/1 (41/15) 2nd: 2.081/1 (41/26) 3rd: 1.363/1 (32/31) 4th: 1.000/1 (-) 5th: 0.828/1 (27/43) R: 3.256/1 (37/15) |
1st: 2.071/1 (29/14) 2nd: 1.529/1 (26/17) 3rd: 1.263/1 (24/19) 4th: 1.047/1 (22/21) 5th: 0.895/1 (17/19) 6th: 0.760/1 (19/25) 7th: 0.653/1 (17/26) R: 2.143/1 (30/21 x 21/14) |
1st: 2.071/1 (29/14) 2nd: 1.529/1 (26/17) 3rd: 1.200/1 (24/20) 4th: 0.955/1 (21/22) 5th: 0.792/1 (19/24) 6th: 0.654/1 (17/26) 7th: 0.536/1 (15/28) R: 2.143/1 (30/21 x 21/14) |
1995+, 1st: 1.800/1 (27/15) 2nd: 1.263/1 (24/19) 3rd: 0.955/1 (21/22) 4th: 0.783/1 (18/23) 5th: 0.667/1 (16/24) 6th: 0.583/1 (14/24) R: 2.143/1 (30/21 x 21/14) |
1997+, 1st: 3.000/1 (36/12) 2nd: 2.125/1 (34/16) 3rd: 1.611/1 (29/18) 4th: 1.316/1 (25/19) 5th: 1.118/1 (19/17) 6th: 0.960/1 (24/25) R: 2.143/1 (32/14 x 14/12) |
Diffrential ratio | Transfer box: 1.000/1 (31/31), 1.263/1 (24/19), 1.389/1 (25/18), 1.529/1 (26/17), 1.600/1 (24/15), 1.643/1 (23/14), 1.688/1 (27/16). 1995+: 1.611/1 (29/18) 1997+: 1.200/1 (24/20), 1.150/1 (23/20), 1.100/1 (22/20), 1.056/1 (19/18), 1.045/1 (23/22), 1.000/1 (24/24), 0.957/1 (22/23), 0.962/1 (25/26), 0.952/1 (20/21), 0.909/1 (20/22), 0.900/1 (18/20), 0.857/1 (24/28), 0.850/1 (17/20), 0.815/1 (22/27), 0.800/1 (20/25), 0.778/1 (21/27) Front/rear: 3.615/1 (47/13), 3.917/1 (47/12), 4.625/1 (37/8), 4.429/1 (37/9), 3.818/1 (42/11), 3.636/1 (40/11), 3.417/1 (41/12), 3.250/1 (39/12) |
helical gears input epicyclical center differential with viscous coupling connected to transfer box, with 2 outputs: 1st direct output to hypoid bevel gears, ZF limited slip or Torsen rear differential. 2nd output via hyvo chain in parallel shaft to hypoid bevel gear limited slip front differential. 30%-70% to 50%-50% front/rear torque distribution. 1995+: active hydro/electronically controlled front differential |
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Clutch | dry, double disk 242mm diameter | ||||
Chassis-body | |||||
Type | Steel monocoque chassis of Ford CT120 platform with roll-cage. Front and rear steel cross member subframes with rectangular tubes. 3 door liftback steel bodyshell with steel doors/bonnets, polyurethane bumpers, plastic rear spoiler and adjustable lower front spoiler | ||||
Front suspension | macpherson strut with lower transverse arms and stabilizer, coil springs and telescopic gas shock absorber | ||||
Rear suspension | trailing/semi-trailing arm, coil springs, telescopic gas shock absorber and anti-roll bar | ||||
Steering system | rack and pinion with hydraulic power assistance. 1997+: electric power assistance | 2.4 turns lock to lock | |||
Brakes | front ventilated disks with 278mm disk diameter and 1 cast iron piston caliper 60mm diameter, or 270-380mm disk diameter and 4/6/8 aluminium piston calipers. Rear ventilated disks with 273mm disk diameter and 1 cast iron piston caliper 42.8mm diameter, or 270-380mm disk diameter and 4/6/8 aluminium piston calipers. Optional Aluminium MMC alloy 6 piston calipers front/rear | dual circuit with vacuum servo, adjustable ratio split front to rear. Disc protection shield and stone scraper fitted | |||
Dimensions | |||||
length: 4.211 m (165.8") | width: 1.742 m (68.6") | height: 1.425 m (56.1") | |||
wheelbase: 2.552 m (100.5") | front track: 1.490 m (58.7") | rear track: 1.505 m (59.3") | |||
Rims - tires | gravel 7" - 8" x 16" - 17" tarmac: 8" - 9" x 17" |
Pirelli P Zero 225/45ZR16, or michelin 210/610-18" | |||
Weight | 1220 kg | ||||
Weight/power | 4.1 kg/HP | ||||
Fuel tank | 70 lt |
Results in WRC
Statistics
1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | Total | |||||||
Works | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Races/wins | 11/4 | 9/2 | 10/1 | 30/7 | |||||||||||
Entries/ finishes | 23/13 | 27/15 | 22/14 | 72/42 (58.3%) | |||||||||||
Others | |||||||||||||||
Races/wins | +1/1 | +2 | 11 | +4/1 | 9 | 10 | 10 | 9 | 56/2 | ||||||
Entries/ finishes | 19/9 | 32/11 | 59/25 | 52/25 | 36/15 | 22/12 | 22/8 | 18/5 | 260/110 (42.3%) | ||||||
Total WRC results | |||||||||||||||
Races/wins | 12/5 | 11/2 | 11 | 14/2 | 9 | 10 | 10 | 9 | 86/9 | ||||||
Entries/ finishes | 41/22 | 59/26 | 59/25 | 74/39 | 36/15 | 22/12 | 22/8 | 18/5 | 332/152 (45.8%) | ||||||
Total points | 153 | 151 | 86 | 148 | 9 | 1 | 548 (6.372 per race) (1.651 per entry) |
Races
Works team: Ford Motor Co
Season
Entry | Rally event | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Driver Codriver |
Team | M.C | SVE | POR | KEN | T.dC | GRE | ARG | N.Z | FIN | AUS | S.R | ESP | RAC | |||
Miki Biasion Tiziano Siviero |
works | 3rd | 2nd | 7th | 1st | 2nd | acci dent | eng ine | eng ine | 4th | |||||||
François Delecour Daniel Grataloup |
works | 2nd | 1st | 1st | eng ine | 2nd | 3rd | acci dent | 1st | 4th | |||||||
Mikael Ericsson Tina Thörner |
works | clu tch | |||||||||||||||
Sebastian Lindholm Timo Hantunen/ Timo Hakala |
works | eng ine | 6th* | acci dent | |||||||||||||
Fernando Peres Ricardo Caldeira 12 |
works | acci dent | |||||||||||||||
Malcolm Wilson Bryan Thomas 4565 |
works | acci dent | |||||||||||||||
Malcolm Wilson Bryan Thomas |
Michelin Pilot Team Ford // | acci dent | 3rd | ||||||||||||||
Robbie Head Campbell Roy 4565 |
Michelin Pilot Team Ford | acci dent | |||||||||||||||
Carlos Menem, Jr Victor Zucchini |
Mike Little Preparations | 5th | |||||||||||||||
Holger Helle Karsten Richardt |
28th | ||||||||||||||||
Guy Kridel Alf Gaspar |
dnf | ||||||||||||||||
Bernard Béguin Jean-Paul Chiaroni |
6th | ||||||||||||||||
Simon Jean-Joseph Charley Pasquier |
head gasket | ||||||||||||||||
Brian Stokes Jeff Judd |
wheel bearing | ||||||||||||||||
Franco Cunico Stefano Evangelisti |
Ford Italia | 1st | |||||||||||||||
Patrick Snijers Dany Colebunders |
Bastos Ford Credit | 2nd | |||||||||||||||
Grizzly 'Bull' |
13th | ||||||||||||||||
Raffaello Fidanza Gabriella Vasarri |
dnf | ||||||||||||||||
Jeff Dewitt Tom Johnston |
56th | ||||||||||||||||
Penny Mallory Sue Mee |
acci dent | ||||||||||||||||
Peter Vassallo Trevor Alexander |
eng ine | ||||||||||||||||
Rob Barry Mike Armistead |
dnf | ||||||||||||||||
Christopher Rees Malcolm Heymer |
acci dent | ||||||||||||||||
Total points () |
153 | 17 | 19 | 19 | 10 | 15 | 9 | 5 | 8 | 19 | 17 | 15 | |||||
Statistics | |||||||||||||||||
Works Starts/finishes | 23/13 | 2/2 | 3/0 | 3/2 | 2/2 | 2/1 | 1/1 | 2/1 | 2/1 | 2/0 | 2/2 | 2/1 | |||||
Others Starts/finishes// | 19/9 | 2/1 | 2/1 | 1/1 | 1/0 | 2/1 | 4/3 | 7/2 |
*Ford Team Finland entry
Article from 4T 274, 7/1993
Click here
Article from Auto Express (greece) 283, 2/1991
Click here
Article from 4T 270, 3/1993
Click here

MS92 gearbox gears
Drawings



Suspension
Sourcepage revision: 144, last edited: 06 Sep 2021 06:52