Your going to love your Spicewine.
I have never used a Guru on mine. I usually control the temps from the intake. Once the cooker temp is set it stay steady for a very long time.
Good luck with your new toy.
Lang 84 Deluxe Warmer with Chargrill
XL - BGE
Med. BGE ( Bought it for my son Vincenzo)
Kenmore Elite Gasser
Camp Chef Outdoor Stove