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  1. J

    03 Tahoe Z71 runs great, bad gas mileage.

    You get out what you put in. Do not knock it if you have not tried it.
  2. J

    03 Tahoe Z71 runs great, bad gas mileage.

    I posted about a custom tune that brings about 24 mpg awhile back and recieved so much sh** from the experts that I had to laugh at ignorance, soo, 2003-Yukon-4X4 SLT 5.3l, 3.73 gears. It is a custom tune I did at home with a HPTuners rig. smooth out the VE table, pump up the timing until it...
  3. J

    Question - Leveling and Front Wheel Geometry

    Caster, camber and toe adjustments are there for any tweek's needed at the assembley line due to variations of the steering geometry in assembley, slight differences in part manufacturing. The rear differential and banjo hold dimensions due to rigidity of the construction but not so with the...
  4. J

    What MPG gain can be expected from a tune?

    open in 7 zip I have a longer vid but I cannot upload it here This is for the nonbelievers Lambda is great for performance and stuck mindsets I want max economy and have it buy a calibration editor and start, you too can learn. the only fish i smell are the carp
  5. J

    What MPG gain can be expected from a tune?

    You do cry and whine alot Maybe you should look elsewhere
  6. J

    What MPG gain can be expected from a tune?

    Watching is not a crime If you have a problem with someone doing the digging and discovery you have my pitty. Buy a tuning rig and startto do your own without crying and bashing. Yes I have a private tune that I worked on for several months. Yes it is not a fluke. Yes I did share with a friend...
  7. J

    What MPG gain can be expected from a tune?

    I am running a custom tune on a 5.3 4x4 Yukon and run at 24 mpg more or less on the highway. It does drop to 22 when running in AWD in the winter. Good from 45 mph up to 80 mph. I have been running it for 1 1/2 years so it is no fluke. No I did not buy the tune. It is a private one.
  8. J

    What MPG gain can be expected from a tune?

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