Aston Martin DB3S group S (1953)
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Home » Racing Sports Cars » Aston Martin DB3S

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Chassis numbers
Engine numbers

Specifications

31 units built
Click here and here and here
Click here and here for 1956 model
Click here for 1956 coupe model
Download here

Works cars with chassis numbers from DB3S/1 to DB3S/11
Lagonda DP101, straight 6 cyl, 4 stroke, petrol engine
2922cc, 83 mm x 90 mm
8.68:1
167.8 kw / 225.0 bhp @ 6000 rpm
246.76 nm / 182.0 ft lbs @ 3800 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, 3 x Weber 45 DCO or Solex Carburetors
twin spark
water cooled

Customer cars with chassis numbers from DB3S/101 to DB3S/120
Lagonda DP101, straight 6 cyl, 4 stroke, petrol engine
2922cc, 83 mm x 90 mm
8.16:1
180 BHP (132 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
twin spark
water cooled

S430/12 4 speed manual gearbox
1st: 2.29/1
2nd: 1.87/1
3rd: 1.26/1
4th: 1.00/1
rear differential, 3.727/1, 4.500/1, 3.91/1, 3.54/1, 3.27/1, 3.00/1
Aluminum bodyshell over Tubular Frame chassis
f suspension Trailing Arms w/Torsion Bars w.Anti-Roll Bars
r suspension De Dion Axle w/Trailing Links, Transverse Torsion Bars
Rack & Pinion steering
front brakes Al-Fin Drums, 330mm drum diameter
rear brakes Inboard Al-Fin Drums, 279mm drum diameter
1955+: disc brakes all around
length 3905 mm / 153.7 in
width 1492 mm / 58.7 in
height 1054 mm / 41.5 in
wheelbase 2210 mm / 87.0 in
front track 1244 mm / 49.0 in
rear track 1244 mm / 49.0 in
tires, 6x16''
850kg
fuel tank, 160 lt
drag coefficient, 0.35


Results in WSCC

Season

Car entry, chassis number Car number/ result
Sebring Mille Miglia Le Mans Spa Nurb Tourist Trophy Carrera Pan
Team 12h 1600km 24h 24h 1000km
Aston Martin Ltd, DB3S/2 #25, acci dent #18, 2nd
Aston Martin Ltd, DB3S/3 #26, clutch #19, acci dent
Aston Martin Ltd, DB3S/4 #27, igni tion #20, 1st
Total points
19
19
Statistics
Works Starts/finishes 6/2 3/0 3/2
Drivers Team entries and car number
Aston Martin Ltd
Reg Parnell 25 18
Peter Collins 25 20
George Abecassis 26
Roy Salvadori 26 19
Eric Thompson 27 18
Dennis Poore 27 19
Pat Griffith 20

1953_AstonMartin_DB3S1.jpg Source
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Coupe
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Drawings

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astonmartindb3shostler.jpg Source
aston-martin-db3s-1954.gif Source
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