OSCA 1956

MT4-2AD – end of prod.
TN
S 187 – new model 


Osca 1500 by Vignale.

 

MT4 was made from 1950. A small number also received Coupé bodies from various carrozzeria including Frua, Michelotti and Vignale.

A complex frame of the new Tipo S made from small diameter tubes have a 2100mm wheelbase. The car is fitted with a 749cc dohc engine which giving 70bhp @ 7,500rpm. The body had a very distinctive flat tail. The total empty weight is only 430kg. Drum brakes, coil springs and telescopic dampers are fitted on all wheels.
Considering a possible successor to the MT4, in 1956 a Tipo S was fitted with an increased capacity engine. By increasing the bore to 70mm the overall capacity went up to 954cc, and the power to 78bhp @ 7,200rpm.


 



F.I.A. World Sports Car Championship entries:
 
  12h Sebring 24.03.1956 (round 2) Results:
# Entrant: gen. class
44 MT4 Makins / Bott OSCA dns S1.5 -
57 MT4 1100 Marcotulli / Munoz TACV* ret. S1.1 -
* Touring y Automovil Club de Venezuela
 
  Mille Miglia 18-29.04.56 (round 3) Results:
# chassis Entrant: gen. class
210 S 750 #752 Capelli O.Capelli 106th S750 1st
215 S 750 #751 Chiron ret. S750 -
358 MT4 1100 #1158 "Nando" dnf S1.1 -
402 MT4 1100 #1171 Bini dnf S1.1 -
403 MT4 1100 Nobile / Bettiol dns S1.1 -
404 MT4 1100 #1143 Brandi 62nd S1.1 1st
406 MT4 1100 #1161 Falli 125th S1.1 3rd
409 MT4 1100 #1144 Masperi / Foglietti dnf S1.1 -
424 MT4 1500 Maglioli dnf S1.5 -
428 MT4 1500 #1181 Cabianca 9th S1.5 1st
436 MT4 1500 Villoresi dnf S1.5 -
 
  Nürburgring 1000 km 27.05.1956 (round 4) Results:
# chassis Entrant: gen. class
31 MT4 1500 #1165 Chiron / Villoresi Monte Carlo Sport ret. S1.5 -    
 
Victories:
 
2nd Targa Florio #86 MT4 1.5 Cabianca / Villoresi
Other entries:
 
  Targa Florio 10.06.1956 Results:
# gen. category class
58 750 S Villoresi ret. - -
62 MT4 1.1 Tagliavia/Santonocito 12th sport 9th 751-1.1 1st
70 MT4 1.1 Rotolo / Alotta 17th sport 13th 751-1.1 3rd
74 MT4 1.1 Sbordone 14th sport 14th 751-1.1 2nd
76 MT4 1.1 Tramontana ret. - -
86 MT4 1.5 Cabianca / Villoresi 2nd sport 2nd 1.1-1.5 2nd
 
  24h Le Mans 28.07.1956 Results:
# Entrant: gen. class
42 750 Laroche / Radix OSCA acc. - -
 


Targa Florio


Targa Florio.


Le Mans.

 


Targa Florio 


The 2nd at Targa Florio (Giulio Cabianca - Luigi Villoresi) in the MT4 1.5.

 

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