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The R4 software does not come with the Vortech kit but you can purchase it for $20 from It allows you to interface with the Fuel/Timing controller that ships with the Vortech kit. I don't know what the tuner kit is but, I would suggest that if you purchase the Vortech kit that you try to get Vortech to get you the FTC unit that allows additional inputs. This will allow you to graph additional input such as A/f, EGT, etc. through the R4 software.
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