Peugeot 504 Coupe V6 group 4 (1975)
gr.jpg
gb.jpg
Home » Rally Cars » Peugeot 504 Coupe V6
3852248416_204ee05756_z.jpg Source

Specifications

Click here
Click here and here
PRV

Brake servo (booster) diameter (left hand drive): 200mm (3.3:1 assistance ratio)
Brake servo diameter (right hand drive): 175mm (2.8:1 assistance ratio)

Group/Class 4/4 Homologation number: 3069 and transfer group B
Years active 1976 - 1981 Homologation start: 1/7/1975
Homologation end: 31/12/1981
Engine
Type PRV ZMJ140, V6 (90o) cyl, 4 stroke, petrol engine located front longitudinally
Capacity 2664 cc WRC: 2664 cc
Bore x Stroke (mm) 88.0 x 73.0
Compression ratio 8.65:1, 9.8:1
Output power - torgue 136 HP @ 5750 rpm
250 HP / 7400 rpm		 21.1 kgm @ 3500 rpm
256 Nm / 5000 rpm
Main bearings graphite spheroidal cast iron crankshaft with 4 main bearings 70mm diameter and crankpins being 120 degrees apart, 52.3 mm big end journal diameter steel connecting rod length between centers 146.15mm, aluminium alloy pistons with 40mm compression height
Materials block: AS9U3 aluminium alloy with cast iron wet cylinder liners. 108 mm bore spacing cylinderhead: 2 x cross flow aluminium alloy with hemispherical combustion chambers
Cams/valves 2 x 1 overhead camshafts (SOHC), chain driven 2 valves per cyl - 12 valves total. 44 mm inlet valve diameter, 37 mm exhaust valve diameter. 1 coil spring per valve
Aspiration natural, 2 x Solex 34 TBIA or 35 CEEI carburetors, 1978: Bosch K-Jetronic (continuous injection) multipoint mechanical fuel injection
Ignition electronic, "odd" firing order: 1-6-3-5-2-4 (firing angles 90-150-90-150-90-150), 12V battery
Cooling system jacketed watercooled with pump, radiator, 400 mm diameter-6 blades fan and thermostat 10.3 lt
Lubrication system wet sump 6 lt
Transmission
Type front wheel drive Peugeot BA10, 4 speed manual gearbox. 1977: 5 speed manual gearbox
Gearbox ratios constant: 1.321/1 (37/28)
1st: 3.455/1 (34/13)
2nd: 2.060/1 (39/25)
3rd: 1.406/1 (33/31)
4th: 1.000/1
R: 3.490/1 (37/19 x 19/14)		 1976, group 4: constant: 1.182/1 (26/22)
1st: 2.786/1 (33/14)
2nd: 1.773/1 (30/20)
3rd: 1.276/1 (27/25)
4th: 1.000/1
R: 3.124/1 (37/19 x 19/14)		 1977, group 4: constant: 1.321/1 (37/28)
1st: 3.455/1 (34/13)
2nd: 2.060/1 (39/25)
3rd: 1.406/1 (33/31)
4th: 1.000/1
5th: 0.821/1 (23/37)
R: 3.490/1 (37/19 x 19/14)		 1977, group 4: constant: 1.182/1 (26/22)
1st: 2.443/1 (31/15)
2nd: 1.593/1 (31/23)
3rd: 1.258/1 (33/31)
4th: 1.000/1
5th: 0.869/1 (25/34)
R: 3.124/1 (37/19 x 19/14)		 1979: constant: 1.357/1 (38/28)
1st: 3.862/1 (37/13)
2nd: 2.183/1 (37/23)
3rd: 1.445/1 (33/31)
4th: 1.000/1
5th: 0.844/1 (23/37)
R: 3.586/1 (37/19 x 19/14)
Diffrential ratio 3.70/1 (37/10), 1976, group 4: 4.625/1 (37/8), 3.889/1 (35/9), 4.111/1 (37/9), 4.222/1 (38/9)
1977, group 4: 3.778/1 (34/9), 5.625/1 (45/8)		 PC7 hypoid spiral bevel gears rear differential
Clutch dry single disc, 235mm diameter. 1977: 240mm disc diameter
Chassis-body
Type steel monocoque Peugeot 504 C31 or C33 1.889.701 (carb) or 2.698.501 (inj) chassis with front lower suspension subframe, rear suspension bridge and roll cage. 2 door coupe steel bodyshell
Front suspension mc pherson strut with lower wishbone, coil spring, telescopic shock absorber and anti-roll bar. Spring rate 86 lbs/in (65mm/100kg), (6.4 coils, 13.5mm wire)
Rear suspension semi-trailing arm, coil spring, telescopic shock absorber and anti-roll bar. Spring rate 249 lbs/in (22.5mm/100kg), (9.1 coils, 16.25mm wire)
Steering system rack and pinion with hydraulic servo assistant 3.5 or 3 turns lock to lock (ratio 15.5:1)
Brakes front ventilated discs with 273mm disk diameter and 1 piston caliper 54mm diameter. Rear solid discs with 273mm disk diameter and 1 piston caliper 42.8 mm diameter dual circuit with vacuum servo, 20.6mm master cylinder diameter
Dimensions
length: 4.360 m (171.7") width: 1.700 m (66.9") height: 1.347 m (53")
wheelbase: 2.550 m (100.4") front track: 1.490 m (58.7") rear track: 1.430 m (56.3")
Rims - tires 5 or 5.5 x 14" steel, 5.5x14" alloy 190/65 HR 390
Weight 1230 kg
Fuel tank 84 lt, 1976, Group 4: 118 lt.
1977: 60 lt

Results in WRC

Races

Works team: Team Esso Peugeot

Season
Entry Rally event
Driver
Codriver		 Team MC SVE
Entry list		 POR KEN GRE MAR FIN S.R TdC RAC
Timo Mäkinen
Henry Liddon		 works river cross ing
Hannu Mikkola
Jean Todt		 works eng ine
Statistics
Others starts/finishes 2/0 2/0
80GR%20Makinen%201.jpg Source
Makinen in Acropolis '80
Peugeot%20504%20Coupe%20V6%20-%20C3.jpg Source
Peugeot%20504%20Coupe%20V6%20-%20C2.jpg Source
Peugeot%20504%20Coupe%20V6%20-%20C5.jpg Source
fire.jpg Source
Cylinder numbers

Drawings

tech5.jpg Source
plan_v6_2.jpg Source

Engine

V6evenfirecutaway.jpg Source
PRV engine at its later development (1986) with 30o offset crankpins to even firing order (1-4-5-6-3-2)
V6head1.jpg Source
Cross sectional view of the ports of the 2664cc odd-fire PRV V6 (1-6-3-5-2-4)
page revision: 129, last edited: 24 Jan 2019 06:03
Edit Tags History Files Print Site tools + Options
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License