Working with Valerio Colotti of the transmission fame, he became a principal of Colotti-Francis, and moved to Italy.
The subframe housed BRM's type 56 engine, a 1.5 liter V8 and a Colotti gearbox.
The works Coopers were fitted with modified Citroen gearboxes, while Rob Walker's team ran bespoke units from Italian specialist Valerio Colotti, although these proved much more fragile.
It shared its engine with the 125 S sports racer which preceded it by a year, but was developed at the same time by Enzo Ferrari, Valerio Colotti and the famed designer, Gioacchino Colombo.
Founded by former Maserati designer Valerio Colotti in 1958, they participated in a single Grand Prix, scoring no World Championship points.
Stirling Moss, who failed in his racing with Cooper T51, fitted with Colottis, unfortunately rather unreliable, gearboxes.
Valerio Zurlini | Valerio Colotti | Valerio Zanone | Valerio Massimo Manfredi | Valerio Meletti | Junio Valerio Borghese | Valerio Scanu | Valerio of Bierzo | Valerio Morucci | Valerio Fioravanti | Marcos Valério |
On Shelby's initiative, the GT40s were fitted with the same engine as the Cobras — an iron cast 4.7 L V8, and the Colotti gearbox that proved unreliable was replaced by a German-made ZF.