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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