I just picked up a Hypertech 30023
For my 2001 Yukon XL 4X4
The main reason I got it to recalibrate Speedo for larger tires they not much larger than stock but I have OCD I like things right.
I don't care to make the Yukon a Fast one but as long as I am in the computer is would be nice to pick up any MPG if I could out this.
How should I configure the engine mode to help out.
I like to stay with the lower octane gas but if I can get better MPG out the higher octane please let me know what the best for MPG.
I am happy the way it shifts but should I play with the shifting point and shifting pressures.
For my 2001 Yukon XL 4X4
The main reason I got it to recalibrate Speedo for larger tires they not much larger than stock but I have OCD I like things right.
I don't care to make the Yukon a Fast one but as long as I am in the computer is would be nice to pick up any MPG if I could out this.
How should I configure the engine mode to help out.
I like to stay with the lower octane gas but if I can get better MPG out the higher octane please let me know what the best for MPG.
I am happy the way it shifts but should I play with the shifting point and shifting pressures.
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