Excerpted from Sportscar365.com:
Reigning Pirelli World Challenge GTA champion Frankie Montecalvo has withdrawn from the remainder of the 2016 season, in a dispute over not receiving a new Mercedes-Benz SLS AMG GT3 chassis from Dime Racing for this weekend’s round at Sonoma Raceway.
Jonathan Summerton has been drafted into the No. 66 Dime-entered Mercedes for the penultimate round of the season, competing in the GT class.
Montecalvo’s decision came Friday morning when he discovered that the chassis brought to the track was not the new chassis that he said had been promised to him earlier in the season.
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