Aston Martin DB3 group S (1951)
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Chassis numbers

Specifications

10 units built
Click here and here and here

Lagonda LB6C, straight 6 cyl, 4 stroke, petrol engine
2580cc, 78 x 90 mm
8.16:1
140 BHP (103 KW) @ 5200 RPM
BS1452 Grade 220 cast iron block, code VB6J. Click here
Billet Steel crankshaft with 4 main bearings 63.47mm diameter. Big end bearing diameter 50.7mm
DOHC, 2 Valves per Cyl. 60o angle between inlet and exhaust valve axis
aspiration, natural with 3 twin-choke Weber 36 DCF5 carburetors
single spark
water cooled

Lagonda DP101, straight 6 cyl, 4 stroke, petrol engine
2922cc, 83 mm x 90 mm
8.16:1
160 BHP (118 KW) @ 5200 RPM
BS1452 Grade 220 cast iron block, code VB6K. Click here
Billet Steel crankshaft with 4 main bearings 63.47mm diameter. Big end bearing diameter 50.7mm
DOHC, 2 Valves per Cyl. 60o angle between inlet and exhaust valve axis
aspiration, natural with 3 twin-choke Weber 40 DCO carburetors
single spark
water cooled

Twin-tubular chassis, aluminium body
David Brown S527, 5-speed Manual, later a David Brown S430/63R, 4-speed Manual
2.9:1, 1.89:1, 1.27:1, 1.00:1, 0.83:1
final drive 4.11/1, single rear differential
9" single clutch
Suspension (front) transverse Torsion bar and trailing arms
Suspension (rear) Torsion bars, parallel links, panhard rod, De Dion axle
rack and pinion steering
Al-Fin Drum brakes
length 4026 mm / 158.5 in
width 1562 mm / 61.5 in
height 1016 mm / 40.0 in
wheelbase 2362 mm / 93.0 in
front track 1295 mm / 51.0 in
rear track 1295 mm / 51.0 in
tires 6.00 x 16"
930kg


Results in famous races (until 1952) and in WSCC (1953+)

Season
Car entry, chassis number Car number/ result
Sebring Mille Miglia Le Mans Targa Florio Pescara Carrera Pan
Team 12h 1600km 24h 12h
Aston Martin Ltd, DB3/5 (2.6 lt) #25, acci dent
Aston Martin Ltd, DB3/3 (2.6 lt) #26, water pump
Aston Martin Ltd, DB3/1 (Coupe 2.6 lt) #27, trans mission
Statistics
Works Starts/finishes 3/0 3/0
Drivers Team entries and car number
Aston Martin Ltd
Lance Macklin 25
Peter Collins 25
Dennis Poore 26
Pat Griffith 26
Reg Parnell 27
Eric Thompson 27

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