Lancer Evolution VIII Hits The Road | Part Three
All-wheel Control System
- Since its introduction, Mitsubishi’s All-Wheel Control system – comprising ACD, AYC and Sports ABS – has elevated Evolution’s traction and dynamic performance to new levels. Debuting on Evolution VIII, the new Super AYC now brings further and significant improvements to that performance.
- Super AYC uses a planetary gear differential in place of the bevel gear type in the current AYC to double the amount of torque it can transfer between the rear wheels. This enables Super AYC to boost both cornering and traction performance.
- The RS comes with ACD only. The ACD unit gives priority to drive traction, with its operating modes (Tarmac/Gravel/Snow) tuned for the requirements of rally, gymkhana and dirt and snow trials.
- The new model uses the same brakes as its predecessor: Brembo 17-inch ventilated discs with 4-piston calipers at the front and 16-inch ventilated discs with 2-piston calipers at the rear.
- Evolution VIII also retains MMC’s Sports ABS, which uses a steering wheel angle sensor to detect steering inputs. The computer uses this information to regulate braking force at each wheel independently and improve handling behavior under braking.
- The system also incorporates MMC’s EBD (Electronic Brake Force Distribution) system which optimally apportions braking force between front and rear wheels for different road surface and vehicle load conditions to deliver predictable and consistent stopping performance.
- To improve handling stability and perceived driving quality, Evolution VIII’s body has been made stronger and stiffer in a program pinpointing those areas giving the largest gain in strength for the smallest increase in weight.
- The upper and lower body join, a major factor in overall torsional stiffness, has been strengthened with the addition of large reinforcements to inner and outer panels at the bottom of the center pillar.
- Body panel joins have been strengthened with the addition of reinforcements at the top of the front strut tower and on the upper and side surfaces of the rear wheel house, and by increasing the number of spot welding points. Suspension mounting stiffness has also been uprated by strengthening the mid-section of the strut tower bar and its point of attachment to the body.
- Complementing the stiffer body, detail optimization of Evolution VIII’s MacPherson strut front and multi-link rear suspension results in better on the limit handling stability and perceived driving quality over the full performance range.
Wheels & Tyres
- GSR and 6-speed gearbox RS models retain Evolution VII’s ADVAN A046 model 235/45ZR17 tyres, which use a high-grip compound and are built with a very stiff carcass
- The GSR and 6-speed gearbox RS models ride on ENKEI 6-spoke 17-inch alloy wheels. The spun-rim construction of the wheels cuts the weight of a set of wheels by 3.2kg and this reduction in unsprung weight contributes directly to improved dynamic performance.
- The 5-speed manual gearbox RS retains the 205/65R15 94H tyres and 15-inch steel road wheels of its predecessor. The GSR’s 17-inch alloy wheels and 235/45ZR17 tyres are available as a factory-fitted option.
- Evolution VIII achieves further advances in weight reduction over VII, particularly in the front end, upper body and the unsprung weight – areas that contribute most to handling stability.
- For similar equipment levels and fuel load, the new GSR comes in at virtually the same weight as its predecessor despite the 10kg increase ensuing from the introduction of the 6-speed transmission.
- Serving as the base model for competition use, the 5-speed gearbox RS model also features further reductions in weight as the result of rationalizing the equipment and sound insulation specifications. For similar equipment levels and fuel load, the new RS weighs in 20kg lighter than its predecessor.
Published 29 January 2003
- All Evolution VIII models come standard with a vehicle immobilizer system that requires the use of a pre-coded key to start the engine. GSR models are also available with a dealer-fitted audible car alarm that goes off when the door locks are opened by any means other than the keyless entry system.
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