Alfa Romeo Tipo 33

Source: Wikipedia, the free encyclopedia.

The Alfa Romeo Tipo 33 was a

CanAm series. A small number of road going cars were derived from it in 1967, called Alfa Romeo 33 Stradale
.

With the 33TT12 Alfa Romeo won the

1977 World Championship for Sports Cars
, taking the first place in all eight of the championship races.

Alfa Romeo Tipo 33

Alfa Romeo 33
Curb weight
580 kg (1,279 lb)[1]

Alfa Romeo started development of the Tipo 33 in the early 1960s, with the first car being built in 1965. It was sent to

Nürburgring 1000, co-driven by Zeccoli and Roberto Bussinello.[5]

Alfa Romeo T33/2

Alfa Romeo T33/2
Curb weight
780 kg (1,720 lb)[6]
Alfa Romeo Tipo 33/2 Le Mans (1968)

In 1968, Alfa's subsidiary

1968 International Championship for Makes
.

A total of 28 cars were built during 1968, allowing the 33/2 to be homologated as a

Group 4 Sports Car for 1969.[9]

Alfa Romeo T33/3

Alfa Romeo T33/3
Alfa Romeo 33TT3
Curb weight
700 kg/650 kg (1971)
(1543 lb)/(1433 lb) (1971)

The Alfa Romeo T33/3 made its debut in 1969 at the

Ferrari 312P. The chassis was now a monocoque
. The new car did poorly at Sebring and Alfa did not take part in Le Mans after Lucien Bianchi's death in a practice session. The car took a couple of wins in smaller competitions but overall the 1969 season was not a successful one, and Alfa Romeo was placed seventh in the
1969 International Championship for Makes
.

In 1970 the bigger 5.0L

Group 5 Sports Cars, competed together for outright victories.[10]

Alfa Romeo T33/4

A 4-litre version was entered to 1972 and 1974

CanAm
series by Otto Zipper, and the driver was Scooter Patrick. Autodelta was also one of entrants with T33/4 in season 1974. The T33/3 version was also used in the CanAm series earlier.

Alfa Romeo T/33/TT/12

Alfa Romeo T/33/TT/12
Curb weight
670 kg (1477 lb)
Brian Redman driving Alfa Romeo Tipo 33TT12 at the Nürburgring in 1974

The T/33/TT/12 (Telaio Tubolare, tubular chassis) appeared in 1973 with the

Derek Bell and Jochen Mass
. For 1976 Autodelta was concentrating on other things and the car was rarely used in competitions.

Alfa Romeo 33SC12

Alfa Romeo 33SC12
Alfa Romeo 33SC12 Turbo
Curb weight
720 kg (1587 lb)

The successor of the 33TT12 1976 was the 33SC12, SC referring to SCatolato, a boxed chassis. The 3.0 L

1977 World Championship for Sports Cars, the 33SC12s driven by Arturo Merzario, Jean-Pierre Jarier and Vittorio Brambilla having won every race in the series. At the Salzburgring the car reached an average speed of 203.82 km/h (126.6 mph); in that same race Arturo Merzario also tested a 2134 cc turbocharged SC12 producing 640 bhp[11] finishing second with that car. The SC12 Turbo was Alfa's first twin turbocharged 12 cylinder engine and it was introduced around the same time as Renault's Formula One turbo engine. In the Alfa Romeo engine each bank was fed with its own turbocharger; that feature was adopted by many racecar makers in the following years.[2]

The

flat-12 engine was later used on Brabham-Alfa BT45, BT46 and Alfa Romeo 177
F1 cars.

Audio

References

  1. ^ a b c d e "Alfa Romeo 33 'Periscopica' Spider". Ultimate Car Page.
  2. ^ a b c "Autodelta - a history". italiancar.net. Archived from the original on 2013-07-18. Retrieved 2007-05-09.
  3. ^ "Alfa Romeo Tipo 33/3 le Mans".
  4. ^ "Alfa Romeo Australia – 1960-1970". myalfaromeo.com.au. Archived from the original on 2007-09-29. Retrieved 2007-05-09.
  5. ^ Bissett, Mark (23 June 2015). "Alfa Romeo Tipo 33: Balocco 1967…". primotipo.com. Retrieved 30 April 2016.
  6. ^ a b c d Melissen, Wouter (9 April 2012). "Alfa Romeo 33/2 Daytona". UltimateCarPage.
  7. ^ "1968 Alfa Romeo Tipo 33/S Daytona". sportscarmarket.com. Archived from the original on 2007-09-27. Retrieved 2007-05-09.
  8. ^ "Alfa Romeo Tipo 33/2 Daytona Coupé". 10 February 2021. Retrieved 27 November 2023.
  9. ^ ML Twite, The World's Racing Cars, Fourth Edition, 1970, page 110
  10. ^ Sobran, Alex (2017-12-22). "Winning Lineage: The Alfa Romeo Tipo 33 Competition Cars". Petrolicious. Retrieved 2022-04-27.
  11. ^ "Alfa Romeo 33 Sport Prototipo" (in Spanish). Archived from the original on 2009-10-27. Retrieved 2007-05-09.

External links