Alfa Romeo Tipo 33/3 group 6 (1969)

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Development chain 1967: Alfa Romeo Tipo 33 1968: Alfa Romeo Tipo 33/2 1969: Alfa Romeo Tipo 33/3 1970: Alfa Romeo Tipo 33/3 71 1971: Alfa Romeo Tipo 33 TT3 1973: Alfa Romeo Tipo 33 TT12 1976: Alfa Romeo Tipo 33 SC12

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Specifications

20 units built
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See engine photoes
Alfa Romeo Orazio Satta/Giuseppe Busso Tipo 33.300, V8 (90^o) cyl, 4 stroke, petrol engine
2.998cc, 86.0 x 64.4 mm
11.0:1
400 bhp @ 9000 rpm
light alloy block and head
forged steel crankshaft with 5 main bearings
dual over head camshafts per bank DOHC, Chain-Driven, 4 Valves / Cyl - 32 valves total
aspiration, natural with Lucas Mark II mechanical fuel injection
Twin Spark
water cooled
dry sump
6 speed Manual gearbox
aluminium body on aluminium monocoque chassis
rack-and-pinion
700kg

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Results in WSCC

1969Season

Car entry	Car number/ result
	Dayt	Sebring	Brands Hatch	Monza	Targa Florio	Spa	Nurb	Le Man	Watkins Glen	Zeltweg
Team	24h	12h	6h	1000km		1000km	1000km	24h	6h	1000km
Autodelta, 75080-002		#32, over heating						#21, in entry list		#8, acci dent
Autodelta, 75080-003		#34, wheel					#14, in entry list	#19, fatal acci den in practice	#8, in entry list	#6, engine
Autodelta, 75080-004		#33, over heating					#15, in entry list	#20, in entry list		#7, acci dent
Autodelta								#22, in entry list
Statistics
Works Starts/finishes 8/0		3/0						1/0		4/0
Driver	Team entries and car number
Autodelta
Nino Vaccarella		33					14			7
Mario Casoni		32					15			8
Lucien Bianchi		33						19
Andrea de Adamich		32							8	7
Nanni Galli		34							8	6
Ignazio Giunti		34							8	6
Teodoro Zeccoli										8

1970Season

Car entry	Car number/ result
	Dayt	Sebring	Brands Hatch	Monza	Targa Florio	Spa	Nurb	Le Man	Watkins Glen	Zeltweg
Team	24h	12h	1000km	1000km		1000km	1000km	24h	6h	1000km
Autodelta		#31, 8th	#60, acci dent	#38, 7th	#28, 41st	#3, in entry list
Autodelta, 75080-004							#6, shock absorber
Autodelta		#32, 9th		#39, 18th	#14, acci dent	#4, in entry list	#5, in entry list
Autodelta		#33, 3rd		#40, elec trics	#32, acci dent		#7, in entry list
Autodelta				#41, 13th	#14T, spare car		#8, in entry list
Autodelta					#28T, spare car
Autodelta					#30, in entry list
Autodelta, 75080-007								#35, disqu alified
Autodelta, 75080-010								#36, piston, electrics
Autodelta, 75080-014								#37, piston
Autodelta, 75080-009								#38, acci dent
Scuderia Madunina					#24, in entry list
Total points 17		13		4
Statistics
Works Starts/finishes 16/7		3/3	1/0	4/3	3/1		1/0	4/0
Driver	Team entries and car number
Autodelta
Toine Hezemans		33		39	14		7	37
Masten Gregory		33		39	14, 14T		7	37
Andrea de Adamich		31	60	41	28, 28T	3	5	36
Piers Courage		31	60	41	28, 28T	3	5, 6	36
Nanni Galli		32		38	32	4		35
Rolf Stommelen		32		38		4	6	35
Carlo Facetti				40			8	38
Teodoro Zeccoli				40			8	38
Carlo Facetti					30
Spartaco Dini					30
Umberto Maglioli					32
Scuderia Madunina
Giovanni Alberti					24

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Source

Drawings

Source
Long tail

Lucas Mk II injection

Source
Mettering distributor