I am a little diffrent when it comes to tri-tip been doing this a while and here's my wet recipe
1. 2- 1/4cup vegtable oil
2. 2- 1/4cup water
3. 1- 1/4cup vinegar
4. 1- 1/4cup montreal steak seasoning from mccormicks
I put in ziplock back and mix i put tri-tip in overnight
next day I reseason with salt and pepper lightly put on my WSM and get it to 130 and foil for 20 minutes has never failed me the best tri-tip I have ever had and I have had many!
22.5 WSM ,ECB,Brinkman Gas Grill,Coleman road grill for USC Tailgating!