MML Sports Lancer Evo X for Group N
- 13th March 2009, 3:06pm
The MML Sports EvoX Group N rally car has been built to full FIA specification, making it eligible for the Production car World Rally Championship, the Intercontinental Rally Challenge and numerous regional and national championships, such as the British Rally Championship.
Because the Lancer EvoX is a relatively young car, there are few off-the-shelf parts available for the subsequent assembly. Therefore, MML Sports set about developing what it needed to build the highest specification of group N car.
A range of parts were designed and built from scratch, including the rollcage and the fuel tank. Developed in conjunction with fuel specialists ATL, the bag tank is located underneath the vehicle floor for safety and to lower the centre of gravity as much as possible.
The overall layout of the suspension remains unchanged but MML Sports worked closely with damper specialists BOS, as used on the Mitsubishi World Rally Cars, to bring WRC-specification damper technology to its Group N car. The transmission uses a Ricardo gear set and while MML Sports is obliged to use the front and rear differentials homologated by Ralliart Inc, it is allowed to fine tune the settings to establish the behaviour and traction.
Control of the active centre differential and the engine mapping however, is free and this is one area that MML Sports has concentrated on, to gain maximum advantage. It is using MOTEC control systems for both the centre differential and the engine, with the development work on the engine carried out in conjunction with long-term engine partner HKS.
The RS base model utilises the latest homologated shell and specifications and includes as standard lightweight aluminium body panels and roof. The RS model is powered by the new aluminium block 4B11 engine which in standard form has more power and torque than the previous Evo IX MR model.
An increase in torsional and flexural stiffness of 40% and 60% respectively has been achieved over the Evo IX MR which decreases chassis flexing.
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