O.S.C.A. 1956

Italy

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


O.S.C.A. 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 O.S.C.A. dns S1.5 -    
57 MT4 1100   Marcotulli / Munoz TACV* fail. 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   fail. 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 fail. 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   fail.   -   -
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   fail.   -   -
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 O.S.C.A. 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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