These friendly races go back years when we both had subaru svx car still got mine great car,fast forward he has a 2006 4.6 modded mustang with a turbo kit his car made 480whp on 8 pound he went up three times i will post the link .These were no timeslip races but i know he ran low 12s at 6 pounds on boost,i was on a 55 shoot when my car hit third gearhttps://youtu.be/D489G_jyc6M.Thats the link all the races are grouped round 1 .2,3 our first was three years ago its also up there