I just wanted to put this out there. I know M/T says you only need a brief or very mild burnout with there et street SS and et street R radial tires, well I want to let you know thats B.S. unless your doing your burnout in a glue puddle. My 2019 scat pack with mid mufflers deleted and nothing removed to reduce weight and about 5/8 tank of gas these are my consistent times and speed in the 1/4 mile at Alamo City Motorplex. I will include slips and you can youtube or Facebook ACM scat pack and I am the only purple scat out there in 2020 (there is a purple hell cat, and a scat pack will beat any stock hell cat in the 1/8 mile with sticky tires). Stock 375 perrelli p zero at 24 psi 12.3 to 12.4 @ 114 mph burnout made no difrence. MT et Street R 14 psi mild burnout 11.8 to 11.9 @ 116 mph. MT et Street R at 13 psi with a hard dark smoke for 3 to 5 seconds after smoking good burnout( manual 2nd gear peddle to the floor until its been smoking 3 to 5 seconds, let off break and continue to smash it till it chirps and grabs, even if you have to backup to stage) 7.4 1/8 mile and average 11.6 to 11.7 @ 118 best 11.46 @ 122 , have not been able to duplicate best run yet, don't know if was the temp, the timer or whatever, i have run 11.59 yo 11.60 several times. So to get to the point, smoke the crap out of your DR'S. After your race, if your tires are not sticky like duct tape with contact cement on them and literally will leave rubber on your hand when you touch them, then do a harder burnout. Just try it.