corvetter stingray tuning problems

93
England
ashburton uk
slackybacky2
Ok so i brought the stingray to compete in the classic supercars series and i maxed out on the tuning brought all the top modifications pushed the bhp to just over 600 and took it too the track, this is where the problem reared its ugly head! On starting the race acceleration was incredible but then once i hit 116 mph my car just choked and i could get no more out of it! Can anybody tell me the reason for this?
 
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