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  1. Mudsport96

    Best Aftermarket Air Filter?

    This is all you need to know. Tahoe with 5.3 285-305 horsepower and 315-383 lb-ft of torque. Suburban with 496 cubic inches (8.1 liters). It produces 340 horsepower and 455 lb-ft of torque Take the same air filter.... so if somehow your 5.3 or even 6.0 is making more than an 8.1 maybe you...
  2. Mudsport96

    Tahoe turbo kit testing

    As far as I know, it is still in the testing phase, and not completed yet. If you follow his channel you can keep in the loop.
  3. Mudsport96

    Tahoe turbo kit testing

    So There may soon be a bolt in kit for turboing the Tahoes. Turbo tahoe testing seems to make reasonable power
  4. Mudsport96

    Clunking when turning left

    Just fixed an issue exactly as you are describing. It was a broken left front sway bar link. Fine going straight or turning right. But, as soon as I went left, the end of the link would pop back down into the sway bar and make noise and could be felt in the steering. So easy to check, look at...
  5. Mudsport96

    Adding ethanol to raise octane ...

    I think alot of my problems with the Tahoe and e85 is that it is an 06. It doesn't show percentage of alcohol in the appropriate PID. It just has a no/yes for high ethanol level. And it just gets trash for mileage on anything other than regular or e15. The power is there with straight e85, but...
  6. Mudsport96

    Rebuilding the 5.3 in my 02 Yukon! Need advice/tips!

    Sorry I missed this post. Unless you are going to put some manual work into the heads to unshrowd the valves after installing larger ones, don't. A larger valve gets pretty close to the chamber wall, and can actually flow less then stock valves. And the small bore of the 5.3 block doesn't help...
  7. Mudsport96

    only drives 30 feet!

    I would almost bet this is the case. Sounds alot like my Silverado did when the 2-4 band was shot. Could also be the 2nd gear piston is damaged and not applying the band. Do as stated above with the manual 1st gear hold and see if it keeps driving. Then, if it does that. Manually hold first...
  8. Mudsport96

    Tune advice to wake up tow rig

    I would add that I would not add 1 degree globally. I would only at at cruise rpm. And then definitely monitor knock retard. Heck I would almost say datalog while towing first and see if you can get away with it. I know from personal experience with an 02 LQ4/4L80e/4.10 2500 Sierra, just...
  9. Mudsport96

    How to not tune a 4l60

    I'll see if I can get a couple screenshots. He said the biggest thing was holding gears longer, but not too long to keep the engine rpm up. And he had alot of hunting between 5th and 6th that he tuned out with delaying that shift quite a bit.
  10. Mudsport96

    How to not tune a 4l60

    I didn't for the fact that tuning got the mpg up. So if the Cafe standard was the sole reason I would think they would have done what he did. I also reserve the right to be wrong about that.
  11. Mudsport96

    Adding ethanol to raise octane ...

    The problem (around my area anyway) is consistency of ethanol percentage in e85. It gets blended at the station. The truck drivers calculate the empty space of the in ground tank that needs filled. Then puts in 87 octane and fills with e98 to get the mix close to e85. So depending how accurate...
  12. Mudsport96

    How to not tune a 4l60

    Yeah GM blundered that, but part of it is trying to blanket tune for the entire buying public. Good engineer friend of mine did a transmission only tune with HPT on his '19 1500 with the 5.3. Took him 2 weeks of tweaking, but he has picked up 2 mpg overall. The trick was not lugging shifts, and...
  13. Mudsport96

    2000 Tahoe flywheel bolts sheared off. How'd that happen?

    Could be a couple things. 1. Hard part internal transmission failure Locked the pump up and stopped the converter. 2. Reverse drop/neutral drop shock loaded the flexplate. 3. Bolts started to work loose then the flexplate beat them to death. 4. Gremlins.
  14. Mudsport96

    Rear differential swap help

    It should bolt up with no problems that I can think of at the moment.
  15. Mudsport96

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

    She is pretty good at that. Not always, but if it is noticeable she will tell me.
  16. Mudsport96

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

    Sway bar end link on driverside. Daughter sent me a video message.... dad it makes a bang when I turn. And yes it did. It would come out of the pocket on left turns and slide and pop back in on right turns.
  17. Mudsport96

    First timer

    I'm not able to look at HPT stuff, but you may be able to post it on their forum and get some advice
  18. Mudsport96

    Easiest way to change oil pan gasket on 4wd Tahoe with NTD lift?

    Edit. You have a lift and I haven't had enough coffee to be able to read your specifically detailed title stating you have a lift.... carry on.
  19. Mudsport96

    2004 4L65E Questions

    @NickTransmissions
  20. Mudsport96

    2001 Chevrolet Tahoe 5.3 Engine knock - help to identify

    Could be a cracked flywheel like Rockola said. In your first post you said it made a noise when trying to start it. What kind of noise? Could be a rod knock. What caught my eye was the HORIZONTAL mark in the cylinder. That looks like the mark a ring makes when an overheating engine is shut off...
  21. Mudsport96

    4l60E Compatibility

    And that's why I tagged someone who would know lol. I wasn't sure and wanted to clear it up. But, I will say from experience that I have used a 96 core/case in an 03 S-10 with the 298mm hardware. Granted this was in 2014 or 2015. So it is possible that it had the drivetrain changed at some...
  22. Mudsport96

    4l60E Compatibility

    Will potentially disagree there. I THINK the 4.3 transmissions retained the older depth bellhousings and input shaft. If so they will not work with the gen 3 blocks. @NickTransmissions
  23. Mudsport96

    First timer

    Excessive heat killed the electrode and the porcelain was made brittle by heat and probably shattered from detonation. Both over time, if not too terrible, will wipe out a piston. If it is bad enough it will be fast though. OP, While it is a good idea to continue following the codes, you also...
  24. Mudsport96

    First timer

    Yes, because injectors are rated on how much they flow. So a flex injector is rated 33 to 36 pounds of fuel per hour at max flow. Because you need way more fuel when running e85 vs gasoline. A standard 5.3 injector is like 22 to 25 pounds per hour. Okay so the following times are made up to...
  25. Mudsport96

    First timer

    Something else I just thought of before falling asleep. Is this a cable throttle? Or is it one of the oddball early electric throttle bodies? I think in 02 they tried something before the 03 ecm change.

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