Lancia D23 group S (1953)

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Specifications

4 units built
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Lancia Tipo D20 Normale, V6 (60^o) cyl, 4 stroke, petrol engine
2962.5cc, 86.0 x 85.0 mm
9.2:1
215-220 HP @ 6500 rpm
aluminium alloy block and head
4 main bearings 60mm diameter, big end bearings 50mm diameter
DOHC chain driven, 2 valves / cylinder - 16 valves total
aspiration, natural with 3 x Weber 42 DCF 7
12V battery, firing order 1-4-3-6-5-2
water cooled
4 speed manual gearbox
1st: 2.647:1
2nd: 1.70:1
3rd: 1.16:1
4th: 0.857:1
Final drive, 4.200:1 (10/42), 4.444:1 (9/40), 4.667:1 (9/42)
limited slip rear differential
Single, dry plate clutch
Chassis steel tubular space frame, 2 door spyder aluminium bodyshell
Front suspension lower trailing arms, transverse semi-elliptic leaf spring, telescopic shock absorbers
Rear suspension DeDion axle, quarter elliptic leaf springs, telescopic shock absorbers
inboard drum brakes, all-round, front 380mm drum diameter, rear 320mm drum diameter
length 3850 mm (151.6 in)
width 1480 mm (58.3 in)
height 970 mm (38.2 in)
wheelbase 2600 mm (102.4 in)
track f/r, 1295 mm (51 in) / 1250 mm (49.2 in)
wheels, front 5K-16", rear 5.5K-16"
tires, front 6.00x16", rear 6.50x16"
750kg
fuel tank, 120 lt

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Results in WSCC

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
Scuderia Lancia, D23-0001					#7, elec trics		#38, 3rd
Scuderia Lancia, D23-0002							#50, acci dent
Total points 8							8
Statistics
Works Starts/finishes 3/1					1/0		2/1
Drivers	Team entries and car number
Scuderia Lancia
Giovanni Bracco					7		50
Eugenio Castellotti					7		38
Carlo Luoni							38

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Drawings

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Engine

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