Hi Evan, in the process of tuning a Y62 Patrol. Gross modifications to any of the timing maps seem for making zero change to precise spark advance. Also, when will tire size correction be out there. I am in the procedure comprehension tuning VR30 Q50 3.0T 300hp version that's a https://epsonprintersgood08381.bloguerosa.com/36611409/printer-hp-580-driver-things-to-know-before-you-buy