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  1. J

    Obd2 reader

    Torque will also work well on some of the android head units.
  2. J

    Dual Exit Exhaust

    It's just a personal opinion based on the aesthetics. Sometimes extra exhaust tips are a lot like the various window decals you see online and at parts stores. They can add a little flair, or push you over the top into the realm of "what did you do to your ride?"
  3. J

    Obd2 reader

    Get a bluetooth obd2 reader and the torque app for your phone. Inexpensive and easy.
  4. J

    Engine Diagnostics?

    I ended up getting a copy of Auto Enginuity a few years back with the GM Enhancement. The basic program gets you access to live data. The enhancement gets you a bit more access and information. The program and enhancement ran about $500 at the time. It's not a Tech2 or a snap-on, but it...
  5. J

    07 Tahoe performance upgrade

    The "black oily film" is a PCV thing (or maybe a b rated horror flick) and was happening long before DOD. A catch can will help to cut down on it though.
  6. J

    07 Tahoe performance upgrade

    You know this and I know this. Reality is that the only people who have not had at least an initial issue with oiled filters, are the people who have had someone show them the proper way to oil and prep the filter or the people who under oil the filter. Everyone else had to deal with the...
  7. J

    considering an 07+, air ride ?s

    It's a more complex suspension system. The components cost more. There are extra steps, and potentially costs, if you wish to raise or lower it. If you test drove two brand new Tahoes/Yukons fresh off the lot, one with auto ride and one without, many would be able to feel a difference...
  8. J

    Dual Exit Exhaust

    I am not always a fan of quad tips, but it works for these trucks.
  9. J

    Increasing gas mileage

    Let me help put that 4% into perspective with actual numbers. For ~24,200 miles over an 18 month period, I tracked my Tahoe's fuel (mileage, useage and costs) online. Bone stock 4wd '07 LTZ, because after performance mods on an '09 135I 6mt, nothing could make the Tahoe compare. During that...
  10. J

    Anyone running no cats?

    Your inspection in Texas should include plugging into your OBD2 and reading codes/verifying readiness. If your engine wont go closed loop, it wont read ready and should store codes associated with whatever is keeping it in open loop. You basically have 2 sets of O2 sensors. Pre cat o2 sensors...
  11. J

    Z71 vs LT

    basically, the differences between the LT and the Z71 will depend on how well equipped the LT is. Some time and some of the 3M vinyl and you could be rid of the faux wood for as long as you own the truck. I liked the LTZ, but if I go back to another half ton 'Burban or Tahoe, I would avoid the...
  12. J

    What'll it take...?

    If I could get the Duraburb conversion on my 2500, I would be content.
  13. J

    Fine grained VIN decoder?

    http://www.compnine.com/vid.php I believe it was a $5 charge. Output looks like : http://www.compnine.com/mycar.php?id=9d779e5bbeb3903835fdf05dd39ad19e
  14. J

    07 Tahoe performance upgrade

    An Air Raid or other intake may make better sound. However, on your gravel roads, your engine will thank you for sticking to a paper filter. If you must go aftermarket, a dry filter with foam prefilter will do you much better than those oiled filters. If you go with an oiled filter, the...
  15. J

    Increasing gas mileage

    Do the calculations by hand/spreadsheet/app. The computer doesn't take a few things into account and only goes by the last so many miles. I've heard the last 100 miles, but have not confirmed it. I used to see single digits every morning while sitting in traffic. When I began calculating...
  16. J

    Broken Motor Mounts

    Are you sure that the clunk is the motor mount? Have more vibration at a stop while in gear (D or R depending on side) than while in neutral? Have you looked at the u joints in your drive shaft? Serviced the rear differential? There are a number of potential sources of a driveline clunk than...
  17. J

    Noise and Wobble in front end accompanied with tire wear.

    How exactly are the tires worn? Patchy spots all the way around, excessively on the insides, washboarded/ cupped? The torn boot is a great place to start. If it doesn't get addressed real soon, you will be better off replacing that cv. To check your front end: Lift the front tire off...
  18. J

    Noise and Wobble in front end accompanied with tire wear.

    The CVs used in the front do not have the same range of motion for 360 degrees. There are two spots where the range will be less. Think of them like slightly more flexible u-joints. The only time you will notice this limitation is when you are at full lock on the steering. Then you will feel...
  19. J

    Black Bear tuning Question

    I saw 19 mpg, 19.2 was my best, a few times traveling through Kansas and Oklahoma with a tail wind and cruise set at 70. That was a stock '07 4wd LTZ (3.73 gearing) with AFM still active and calculated using Fuelly.com. I was never able to get the computer's MPG numbers to match the actual...
  20. J

    Broken Motor Mounts

    You got ~7 years out of a set of rubber motor mounts. All things considered, I think that that is a reasonable service life.
  21. J

    Question about the auto 4WD

    The NP242 has 2wd, 4wd full time (awd), 4wd HI, 4wd Lo and Neutral. I am not 100% on what it had, but if the selector was manual and had those 5 positions, then it was a 242. I know a few of the Durangos around that time period, 99-01 IIRC, came with it. If it did not have the 242 or an...
  22. J

    Service 4 wheel drive

    If it is flashing a message, then it is probably storing a code. The "4WD system" is not one that would cause a CEL. You will probably need a more advanced code reader than what the parts store, and probably an "oil change" place, uses to pull those codes. An independent shop should be able...
  23. J

    Question about the auto 4WD

    I'm too lazy to look it up at the moment, but I believe that 01 Durango has a NP242 which would give it a full time 4wd with a geared center differential. IIRC, the Auto on the NNBS (except Denali and Escalade which will mostly be AWD, but there are a a couple out there that are not AWD) is not...
  24. J

    Question about the auto 4WD

    The only way to see how it feels/works for you is to use it. Depending on how you drive, you may even be able to feel the difference in the rain. Some love it and leave the selector in auto all the time. Others never use it and, of course, many are somewhere in the middle. You will find that...
  25. J

    when to change

    I check them all when I replace the serpentine belt. Just spin each pulley by hand, including the water pump, ac compressor, alternator and power steering pump. If it feels rough or makes a grinding noise, it gets replaced. The tensioner is a judgement call, if it is really easy to rotate to...

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