Diesel tuning software, tuning cables and data presentation so we can make accurate changes while performance diesel tuning are on the menu in this lesson, number 2 of 5. Want to learn how tune your own performance diesel engine via online courses with lifetime access? Enroll now: hpcdmy.co/6789e2 Use this coupon for $25 USD off: FACEBOOK25 Fuel rail pressure, turbo speed, EGT's and much more data is used when tuning a modern performance diesel and without a solid data logger and organised data