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  1. M

    Open differential to posi

    Guessing that your 2013 did not come with OE 3.73? 3.73 tells me you're serious about either working or playing HARD. Ultimately, I think you get why I prefer a lil more axle gear.
  2. M

    Sunroof privacy cover not rolling in/out

    Ever consider sidestepping him / going over his head? Or am I wrong here, thinking that there's something ... very incorrect about what your so-called service advisor is 'advising'? 'cause, somehow, I don't think you broke it.
  3. M

    Open differential to posi

    My bad. What axle GEAR? As in, I've 3.73. Forced to guess, you've 3.08?
  4. M

    Open differential to posi

    You've a 6L80E, with what axle?. If I had a 6L80E, I'd be good with 3.73, or 4.10 if it were a tow horse. But my '02 has a 4L60E with 3.73. I know it was never meant to be quick, but 4.10 would be a far better improvement on the compromise between miles per gallon vs Smiles per gallon, plus I'd...
  5. M

    Spare Tire part of the safety system?...

    The spare tire is not part of the rear crash safety system. Imagine a 40psi tire bursting. When I bought my Z71 used, he mentioned the missing spare wheel & tire, due to the mechanism rotting out. Not too long ago, I did a road trip as a favor for a (former) friend, no need to bring much. For...
  6. M

    Sunroof privacy cover not rolling in/out

    What the ---- is wrong with your service advisor? You are - until PROVEN guilty - innocent here.
  7. M

    Chevrolet Suburban 3500 Questions

    What's your axle gear?
  8. M

    Open differential to posi

    The ability to burn the tires off does not necessarily correlate with acceleration. 0-60MpH in over 8 secs disappoints; I'm used to Caprice 9C1 with 3.73 acceleration. 4.10 will help, with very little MpG penalty, considering how I drive. I get that most people don't drive like I do - but those...
  9. M

    2005 Z71 radiator replacement recommendation

    20 years ago, things were manufactured to a higher standard, especially for brand new vehicles. I HOPE OE for a 20 year old vehicle still means what it did 20 years ago, but I am not an optimist. When you are doing maintenance replacements, it's ok to upgrade, if the price is right. While...
  10. M

    Afm

    They work very well for disabling Engine Half@$$. However they cannot / do not fix the GM OE TCC slip percentage.
  11. M

    Open differential to posi

    If you don't care about throttle response, 3.73 will be fine. I've 3.73, and every time I floor it, I die a lil inside. I strongly suggest 4.10. If you're looking for entire axles, Suburbans, Yukons XL are more likely to have 3.73, somewhat less likely to have 4.10. Tahoes tend to have 3.23...
  12. M

    2002 Tahoe Hydroboost Upgrade EVO Power Steering Pump question

    Not only asking for myself - if I don't know what you're talking about, lurkers and newbz will go cross-eyed as well. To be clear, what's a bug brake?
  13. M

    Let's sift through every square inch of a 2013 Tahoe PPV

    Might be time for an Engine Half@$$-ectomy?
  14. M

    Why the switch to big rims?

    Don't know myself, uninterested in owning a vehicle under 10 years old. The operant question is: Are the AT4s brakes so big, that they NEED 20" wheels just to clear the brakes?
  15. M

    2010 Yukon Denali Overheating when Towing

    Yep. Motor oil, ATF, & gear oil all have a bit less friction @ 221F than they do @ 203F. GM would rather you get 1 or 2 more MpG, than your under the hood stuff last longer. Somewhere between 45MpH & 50MpH, the fans can no longer outperform the passive headwind of forward motion shoving air...
  16. M

    Maybe not all 6.2's have the bad lifter bore/ bearing wear issues

    How many of these horror stories involve any GM turbodiesel engines?
  17. M

    Exact Build Date/Time?

    Without your VIN, and a service like compnine, try looking under your passenger seat? Don't know where GM hides that now ...
  18. M

    Leaking fuel after fill up

    Stop it. Gasoline / petrol expands quite a bit as it warms up, and the EVAP system is meant to absorb gasoline VAPORS. When you squeeze in over a dime, you force the EVAP system to absorb liquid gasoline. Eventually the charcoal in your charcoal canister will escape the canister, and you will...
  19. M

    Anyone replaced their unused spare tire due to age?

    With the profits GM makes off each pickup truck & suv, you'd think they'd be kind enough to include a proper matching 5th spare wheel & tire. But alas, billionaires are not rich enough ...
  20. M

    Afm

    Engine Half@$$ does have something to do with the transmission ... tuning. Torque converter clutch slip in cars with Engine Half@$$ is higher than in 2500-&-up trucks that lack Engine Half@$$. So when your diablosport disables Engine Half@$$, it may not reduce the TCC slip. So even if your...
  21. M

    Anyone replaced their unused spare tire due to age?

    tom3's son's spare tire from the mid-noughties gives me two ideas: If your vehicle is 2WD: when you buy 2 or 4 new tires to replace your old ones, take the best / least-worn of the ones you've been using, replace the spare with that one, so that way your spare is always under 6 years old. If...
  22. M

    Brake Upgrade Help

    And most of the ones with 18" or larger wheels, still have 17" spare tires. Which is proof that 18" wheels are not strictly necessary (except maybe on the PPVs?).
  23. M

    Why the switch to big rims?

    If you mean that you'll be spending an extra $2k-$3k to buy 17" wheels and tires, some of that cost will eventually get defrayed by selling the 18" wheels. The rest will be recouped over time buying cheaper tires. Only people who think 18" wheels are NEEDED are those who sell wheels, tires, or...
  24. M

    2010 Yukon Denali Overheating when Towing

    Touche. Forgot about that it's a 2010.
  25. M

    2010 Yukon Denali Overheating when Towing

    Actually, this is nearly conclusive evidence that the engine had an electrical fan conversion.

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