High traction, cold surface(70 below F), smooth, open, fast, tight and technical track.
Truggy: M3 Hole Shot and/or sand down the pins making the tire a slick.
Buggy: M4 Inside Jobs with AKA soft Red Foams.
Dusty track, cold surface(70 below), smooth, open, fast, tight and technical track
Truggy: M3 Hole Shot
Buggy: M4 Inside Jobs or M4 Snipers
Loose track "", "", "",""
Truggy
Cold: M3 Calibers
75+F surface: M3-M2 Calibers
Buggy
Cold: M4 Calibers
75+ F surface: M3 or M2 Calibers
I try to use the softest compound I can without wearing it out in a full race day. These are what I use.