Aston Martin DB3 group S (1951)

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Source

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. 60^o 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. 60^o 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

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

1951Season

Car entry, chassis number	Car number/ result
	Mille Miglia	Le Mans	Dolomiti	Targa Florio	Tourist Trophy	Carrera Pan
Date	29/4	26/6	15/7	9/9	15/9	25/11
Team	1600km	24h	300km	576km	500km	3000km
David Brown, DB3/1 (Coupe 2.6 lt)					#20, bear ings
Statistics
Works Starts/finishes 1/0					1/0
Drivers	Team entries and car number
David Brown
Lance Macklin					20

1952Season

Car entry, chassis number	Car number/ result
	Sebring	Mille Miglia	Le Mans	Targa Florio	Dolo miti	Good wood	Carrera Pan
Date	15/3	4/5	15/6	29/6	13/7	16/8	23/11
Team	12h	1600km	24h	576km	300km	9h	3000km
Aston Martin Ltd, DB3/5 (2.6 lt)			#25, acci dent			#17, 1st
Aston Martin Ltd, DB3/3 (2.6 lt)			#26, water pump
Aston Martin Ltd, DB3/3 (2.92 lt)						#15, fire
Aston Martin Ltd, DB3/1 (Coupe 2.6 lt)			#27, trans mission
Aston Martin Ltd, DB3/4 (2.6 lt)						#16, clutch
Total ponts 10						10
Statistics
Works Starts/finishes 6/1			3/0			3/1
Drivers	Team entries and car number
Aston Martin Ltd
Lance Macklin			25
Peter Collins			25			17
Dennis Poore			26			16
Pat Griffith			26			17
Reg Parnell			27			15
Eric Thompson			27			15
Abecassis						16

1953Season

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, DB3/5 (2.9 lt)	#30, 2nd	#612, acci dent
Aston Martin, Ltd, DB3/4 (2.9 lt)	#31, acci dent	#551, 16th
Aston Martin, Ltd, DB3/3 (2.9 lt)		#611, 5th
Bob Dickson, DB3/6 (2.6 lt)			#25, in entry list			#21, 5th
Tom Meyer/ Phillip Fotheringham-Parker, DB3/7 (Coupe 2.9 lt)				#20, clutch
Graham Whitehead/ Tony Gaze, DB3/10 (2.6 lt)						#22, 4th
Total points 28	9	6				13
Statistics
Works Starts/finishes 8/4	2/1	3/2		1/0		2/2
Drivers	Team entries and car number
Aston Martin, Ltd
Reg Parnell	30	611
George Abecassis	30	612
Peter Collins	31	551
Geoff Duke	31
Mike Keen		551
Louis Klementaski		611
Pat Griffith		612
Bob Dickson
Bob Dickson			25			21
Edgar Wadsworth			25
Desmond Titterington						21

1954Season

Car entry, chassis number	Car number/ result
	Buenos Aires	Sebring	Mille Miglia	Le Mans	Tourist Trophy	Carrera Pan
Team	1000km	12h	1600km	24h
Eric Forest Greene/ Carlos Stabile, DB3/1 (Coupe 2.6 lt)	#42, fatal acci dent
Tom Meyer/ Henry O'Hara Moore, DB3/7 (Coupe 2.9 lt)			#612, acci dent
Statistics
Works Starts/finishes 2/0	1/0		1/0

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