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Tuner Grand Prix 2017: The trophies return to Munich!

Tuner Grand Prix 2017: The trophies return to Munich!

17.08.2017: For GeigerCars.de the battle for victory in 2017 High Performance Days at the Hockenheimring began long before the race weekend of 14th to 16th of July.

For GeigerCars.de the battle for victory in 2017 High Performance Days at the Hockenheimring began long before the race weekend of 14th to 16th of July.



But time is the biggest enemy of all race teams, and numerous uncertainties and delays in component delivery put the GeigerCars team on edge. As the days passed it was not clear whether the Munich-based US car specialists would have their Viper ACR and Corvette C7 Z06 ready in time.



The experienced crew worked day and night to set up the mechanical and electronic systems to perfection. In the end both cars had to go straight from the test rig onto the transporter heading for Hockenheim, without having once turned a wheel on road test. Needless to say, tension was running high in the team.



- 1st and 2nd places in the Sports Car Class snatched by GeigerCars


- Corvette C7 Z06 wins ahead of Viper ACR


- Sensational performance by the Geiger Corvette in the final race




Since last year the Viper ACR named “Molly”, has been upgraded to improve power and durability, with the crankshaft machined and finely balanced, and a new dry sump installed. Meanwhile, ground effect and aerodynamic downforce were increased by completely closing off the car’s bottom.



With experienced professional instructor and race driver Daniel Schwerfeld at the wheel, this road legal 1,580kg Viper, running on Kumho tyres, and complete with air conditioning, airbags, leather seats and sat-nav, turned a sensational 1:05.903 minute lap of Hockenheim’s Club Circuit during the first session. This placed it second in class.



Runners-up spot in the Sports Car Class was fine with Karl Geiger since the Viper’s lap time was only beaten by his other entry, the GeigerCars Corvette C7 Z06.



Sporting a new paint scheme for this year along with numerous mechanical upgrades, the Corvette with Renger van der Zande at the wheel blitzed the field to record a best lap time 0.105 seconds faster than Schwerfeld, and 3.5 seconds faster than the third placed car.



The Corvette’s performance increase over its 2016 configuration is down to a fresh supercharged 7.0-litre engine featuring an uprated Geiger intercooler system and an Inconel exhaust system that significantly reduces weight and back-pressure.



Shod with Michelin tyres, the GeigerCars Corvette C7 Z06, nicknamed “Emma” also features a complete flat bottom and a sequential transmission with a shifting time of just 73 ms.



In the final race on Sunday, the field started in the reverse order of the fastest lap times for all the various classes. This meant that the Viper had to scythe its way through the field from behind.



Daniel Schwerfeld’s performance was sensational from the word go. By the end of the first lap he had already overtaken ten other cars and put the Viper in the lead!



In outright terms, only the 935 kg Radical RXC GT from the Supercar Class was faster outright against the clock. However, the Geiger team was acutely aware that it would be difficult for a car carrying over 600 kg more than the Radical to stay ahead.



In the end the Radical’s lower weight and downforce aerodynamics took it to the chequered flag first leaving GeigerCars to savour a one-two class victory and second overall.



Karl Geiger and his team would like to sincerely thank all their fans for the huge support they brought to this event. The Munich-based team is already looking forward to other events, which can be found on the event calendar at: www.geigercars.de

 

 

 

Karl Geiger-   also photos

Permanent-URL: http://www.automobilsport.com/tuner-grand-prix-2017-geigercars-trophies-munich---167033.html

17.08.2017 / MaP

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