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  1. Burban22

    2003 Tahoe 5.3 Flex a dog when accelerating

    Throttle position sensor reading correctly? 100% when full throttle? Intake tube completely on the throttle body? Not pinched at the bottom? Mass airflow sensor clean and reading correctly? You could try driving it with MAF disconnected to see if there is a difference. Fuel pressure in spec...
  2. Burban22

    Leaky axle seals? and everything else..

    I usually don’t use stop leak but this stuff works. Fixed the leaky passenger side front differential seal on 3 of my vehicles. 1986 K5, 1997 K1500, 2003 burb. All had a passenger side front differential seal leak. Do not over use! If you put in too much it will over swell the seals and cause...
  3. Burban22

    Tired of leaky/seeping axle seals! Is this going to keep happening?

    I usually don’t use stop leak but this stuff works. Fixed the leaky passenger side front differential seal on 3 of my vehicles. 1986 K5, 1997 K1500, 2003 burb. All had a passenger side front differential seal leak. Do not over use! If you put in too much it will over swell the seals and cause a...
  4. Burban22

    4:10 vs 3:73

    I thought they started charging now for any modification to the tune. I was trying to say it would be easier if I had an auto cal they could just send me the file and save me the shipping cost. Hopefully they don’t charge for just a tire size or gearing change
  5. Burban22

    4:10 vs 3:73

    lol! Hey, at least I searched! Both are G80.
  6. Burban22

    4:10 vs 3:73

    Stepping up from stock tire size to my 33.3" BFG k02's would nearly cancel out the 4:10. hmmmm, I'll save the front and rear axle out of the '05 and if I get motivated enough can swap with my 3:73. Bearing the front diff on the totaled '05 burb is still usable. The PO slid off the road into a...
  7. Burban22

    4:10 vs 3:73

    Looks like 1,000 lbs difference between 3:73 and 4:10 gears. https://www.jnauto.com/pdf/04towingguide.pdf My burb rarely tows. I have a 3500lb enclosed 16' trailer I tow a few times a year but usually use my newer truck. More get up and go with 4.10 would be great but we put alot of...
  8. Burban22

    4:10 vs 3:73

    My 03 burb is blackbear tuned. I would need to send off the computer to get the speedo corrected. Guess I should look for a handheld tuner so they can just send me the file for speedometer corrections. Will see if I end up swapping but I may run 295/70/17 ~ 33" tire all the time instead of just...
  9. Burban22

    4:10 vs 3:73

    I just picked up a wrecked '05 burb to use for parts for LS swapping my '84 Jeep Wagoneer. I see RPO GT5 = 4:10 gears. My '03 z71 burb has 3:73 gears. Anyone swap from 3:73 to 4:10? I run the stock tire size 265/70/17 31.6" for now but may go to 32.5 or 33 soon. We do alot of highway driving...
  10. Burban22

    Engine out 228k high mileage maintenance 5.3 L59 LS Swap

    Planning on moving the hydroboost and electric fans over to my 2003 z71 burb with LM7. Blackbear said they enabled electric fan operation when I sent the computer in to get tuned.
  11. Burban22

    Engine out 228k high mileage maintenance 5.3 L59 LS Swap

  12. Burban22

    Engine out 228k high mileage maintenance 5.3 L59 LS Swap

    I just picked up a '05 suburban for $1k that was totaled due to sliding off the road into a drainage ditch. Front frame horns are bent up but engine and trans seem unscathed. According to gauge cluster, engine has 228k and found a receipt for the 4l60 being rebuilt by a local shop 50k miles ago...
  13. Burban22

    285 vs 295 on the Z71

    They were super cheap on market place and hardly used. When they wear out or develop the usual BFG K02 sidewall cracks after 6 years I'll replace with 285/75/16 (32.8)
  14. Burban22

    285 vs 295 on the Z71

    Still get some rubbing when compressing the rear suspension. Going to try a 8mm wide spacer on the rear wheels. I purchased some extended length lug nuts so should be ok to use the spacers.
  15. Burban22

    295 70 17 Trail Grapplers 2.5/0 lift

    Thanks! By steering geometery do you mean is steering wheel still straight? Yes. Front CV shafts aren't straight due to lift but they aren't terrible and I've put on 5k+ miles with the lift without any issues. Of course if you lift the front or even crank your stock keys you will need an...
  16. Burban22

    285 vs 295 on the Z71

    FYI - if running 295/70/17 on stock wheels you’ll have to trim some rear fender liner where it sticks out around the top shock bolt. Also had to turn around the shock bolt so the nut faces inside as the tire is super close to the shock tower. I didn’t have this problem with 285/70/17
  17. Burban22

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    FYI - if running 295/70/17 on stock wheels you’ll have to trim some rear fender liner where it sticks out around the top shock bolt. Also had to turn around the shock bolt so the nut faces inside as the tire is super close to the shock tower.
  18. Burban22

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Found some $100 original snowflakes on marketplace. 295/70/17 used set of BFG K02 $200 marketplace. 33.3" overall diamater. Date code 2020 but a good amount of tread left. Load range E so kinda stiff. Probably lower psi from 55 to 45. Added some black 19mm lugnuts and wheel caps. I did the 1.5"...
  19. Burban22

    Battery not charging message but it is sometimes

    It's been a few months and I haven't had the batt not charging message again. All connections were tight. I did pull the alternator and hose it out with electronics cleaner. Maybe that helped or it was just a one time fluke message.
  20. Burban22

    295 70 17 Trail Grapplers 2.5/0 lift

    Here’s my 2003 suburban with 1.5” rear coil spacer lift and 2” front torsion key lift. 295/70/17 BFG k02
  21. Burban22

    285 vs 295 on the Z71

    I’ve had both 285/70/17 and 295/70/17. I prefer 285 over 295 for look, and a tad better performance but they are close in size 32.7” vs 33.3” of course 295 are wider as well. Found a good deal on some oem 17” snow flakes and 295/70/17 BFG K02. Wheels are a little beat up but price was right. I...
  22. Burban22

    New oem style dark red smoked tail lights

    They have been great so far. Only issue I went from oem incandescent to led bulbs as the stock bulbs were pretty dim through the dark red tail lights. The led bulbs are as bright as the oem bulbs in the stock tail light. I really like the look of these especially without the led look. Aka these...
  23. Burban22

    Battery not charging message but it is sometimes

    Which replacement alternator do you recommend? I’ve read a lot of mixed reviews on the delcos, aftermarket 250A and Remy that they don’t last. My burb has the higher output 145A as the stock alternator.
  24. Burban22

    Battery not charging message but it is sometimes

    Also have code P1637 CIRCUIT DESCRIPTION The powertrain control module (PCM) uses the generator turn on signal circuit to control the generator. A high side driver within the PCM allows the PCM to turn the generator ON and OFF. When Generator operation is desired, the PCM sends a 5 volt signal...
  25. Burban22

    Battery not charging message but it is sometimes

    Positive cable looks fine under the boot where it connects to battery all the way to the red battery box / jump terminal. After that it disappears behind power steering pump under engine to the starter. The thin pos wire to alternator also looks fine. The battery cables were tight to the posts...

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