There was a db limit of 105 for all cars at this event. The track officials said that stock 2020 GT500s were metering at 106-108 which would black flag you and if you get 3 black flags for the day, you are booted out. I lifted on a couple of the straightaways to not exceed the dbs were the sound...
Hi folks. I got a chance to run Laguna Seca with my completely stock 2020 GT500 on a 105db day. Unfortunately, I was registering 108db so I did have to lift at a few places to make sure I don't blow sound.
While I don't have anything to back this up, I believe the top speed has to do with rear end gearing limitations. The only reason why the 2013/2014 GT500 would achieve a 200mph top speed is because the rear end was set up with 3.31 gears. Hell, the car could do 0-60 mph in 1st gear and the 6th...