The 250 Testa Rossa was intended to offer clients as of now hustling with the 500 TRC an a great deal all the more effective motor on a comparative case to hold the previous model’s extraordinary taking care of. Gossip additionally had it that the FIA would put a three-liter point of confinement on models and this surely ended up being the situation. Subsequently the dependable V12 from the 250 Gran Turismo was utilized yet with a profoundly tuned with six twin-stifle carburettors. Contrasted and the 500 TRC, just the valve spreads were painted red, however the auto still kept the Testa Rossa name and won the Manufacturers’ World Championship in 1958.
Amalgamation of the Columbo V12 and 500 TR undercarriage made up the 250 Testa Rossa underpinnings. These parts were favored over the mind boggling quad camshaft and double ignition arrangements found in the 335 which were likewise heavier. In any case, the 250 Testa Rossa was truly substantially more than the blend of existing designing. It presented an outline theory that concentrated on unwavering quality over altogether execution. Ferrari needed to offer predictable autos that could persevere for 24 hours.
In the wake of adjusting suspension 0666TR and 0704TR amid the 1957 season with different 250GT, 290MM, 335 or 500TR sections, a last detail was come to. Ferrari reported the 250 Testa Rossa at their pre-season question and answer session held in November 1957. The auto was proposed for free clients who dashed at America’s SCCA races and the CSI’s World Sportscar Championship. As production line inclusion was restricted to the bigger races, private contestants were left to battle the SCCA and littler European occasions.
As discharged, the 250 Testa Rossa had apparently unobtrusive building. The drum brakes or 250 motor were without a doubt old innovation contrasted with the circle brakes and DOHC setups that were accessible. Additionally, analyzed different autos of the time, the Testa Rossa suspension was made more cumbersome to tackle a significant number of the trench and dividers which these autos met. Such returns took after the first outline rationality and helped the Testa Rossas persevere to win numerous races.
All the client autos highlighted a skeleton like the 500 TR (Testa Rossa) which held the live-hub backside. Another basic element was the striking “boat” bodywork planned by Sergio Scaglietti and his firm at Scaglietti and C. Under the authority of Gian Carlo Guerra, the organization worked without drawings, rather going straight to a wire structure. They utilized a nose like the period F1 autos with cutaway bumpers now and again called sponsons. The thought was to uncover the substantial brake drums to help in cooling. While striking and energizing this shape was insecure at high speeds. To alter the streamlined features, Ferrari adjusted the outline to highlight bodywork that was a completely encased configuration.
Now is essential to specify the unrivaled industrial facility Testa Rossas which Ferrari ran and recognize them from the client autos which Ferrari sold. After the initial few races, it was evident to Ferrari that they needed to overhaul the Testa Rossa if they somehow happened to win the CSI’s Sports Car Championship. The group autos were moved up to incorporate a De Dion back hub and an all encompassing body.
|Type||front, longitudinal 60° V12|
|Bore/stroke||73 x 58.8 mm|
|Unitary displacement||246.10 cc|
|Total displacement||2953.21 cc|
|Compression ratio||9.8 : 1|
|Maximum power||221 kW (300 hp) at 7200 rpm|
|Power per litre||102 hp/l|
|Valve actuation||twin overhead camshafts per bank, two valves per cylinder|
|Fuel feed||six Weber 38 DCN carburettors|
|Ignition||single spark plug per cylinder, two coils|
|Front suspension||independent, unequal-length wishbones, coil springs, hydraulic shock absorbers|
|Rear suspension||live axle, radius arms, coil springs, hydraulic shock absorbers|
|Transmission||4-speed + reverse|
|Steering||worm and sector|
|Fuel tank||capacity 140 litres|
|Front tyres||5.50 x 16|
|Rear tyres||6.00 x 16|
|Front track||1308 mm|
|Rear track||1300 mm|
|Weight||800 kg (dry)|
|Top speed||270 km/h|
Ferrari 250 Testa Rossa 1957 Design Interior Exterior