DTM technical regulations for the 2017 season were revised in key areas. The engine power of the new vehicles was increased and at the same time, the aerodynamics were trimmed. The latest generation of DTM cars is more challenging to drive. All vehicles are rear-mounted and have a 4-disc CFK clutch and a sequential 6-speed gearbox.
AERODYNAMICS
All DTM vehicles are equipped with a single tailgate: a Monowing with laminated Gurney. The inclination is adjustable from 10 to 20 ° (Norisring 5 to 20 °) There are also special front and rear diffusers, a 30 mm high skid block underfloor as well as two permitted areas (one per side) on the front of the vehicle for flaps.
DRS
The Drag Reduction System (DRS) is a folding rear wing that allows for a higher top speed for a short time, thus making it easier to overtake. The system is triggered by a button on the steering wheel. The tailgate returns to its initial position when the driver goes off the throttle or a certain centrifugal force value is exceeded. This is to prevent the vehicle from becoming unstable due to the lower contact pressure. In the season 2016, the use is limited.
ENGINE
In DTM, the 4-liter V8 engines from Audi-RS 5, BMW-M4 and Mercedes-AMG has more than 500 hp in 2017, with a cylinder bank angle of 90 degrees a maximum of four liters of displacement and a maximum of four valves per cylinder are permitted. The intake system must be equipped with two air flow restrictors with a maximum diameter of 28 mm each. There is only one spare engine per manufacturer per season.
TRANSMISSION
In the DTM, only a single differential gear unit is approved which is used by all manufacturers.
SUSPENSION
The DTM vehicles have independent front and rear suspension and a double crossbar suspension. The gas pressure shock absorbers are adjustable.
HOCKENHEIM
Highlights from the DTM Weekend in Hockenheim from 2016
DTM
How's this for a Monday morning commute.
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