My Publix butcher has told me they are similar, but every time he has a Tri-Tip he calls.
I reverse sear Tri-Tip or Big Sirloins, meaning marinate them and gently smoke them until about 125 + or - internal and finish on a very hot fire, to seal the deal! we like our Medium rare.
Weber Spirit E-310 Gasser
1 - Big Green Egg - Large
2 - 22.5 Weber Kettles
2 - 18.5 Weber Kettle
1 - WSM Mini
I live in fear that my Wife will sell all my "TOYS" when I die for WHAT I told her I paid for them!!