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  1. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    If I have to choose between them, vs Timbren rubber bumps ... gotta think on that one ... Ok, so, if I go too stiff, I can expect wet braking to get worse? Is that what you're getting at? Luckily I drive like a normal person when it rains or snows, but please feel free to expand on this. Pretty...
  2. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Kryptonite sells these? One of the few companies that seems to have a reputation superior to GM OE. If so I'll get it from them.
  3. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Can I make use of this: https://www.drivparts.com/part-details.html?brand_code=BCCH&part_number=K202199&part_name=Suspension%20Control%20Arm%20Bumper Looks like a jounce bumper for an H2 or for 2500s & 3500s ... ?
  4. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Look what I just found: https://www.moog-suspension-parts.com/universal_coil_springs.asp This will - eventually, after I do considerable perusal and research - show me all the OTHER springs that could be usefully compatible with Tahoes / Suburbans / H2s, in addition to Moog's recommendations...
  5. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Adding air springs and an air spring system still leaves me with easily schmushed coils (AND bars). Replacing easily schmushed coils and bars with less-easily schmushed coils and bars cures me of the normal behavior. I don't like 'stock coil behaving as normal'. It's MY Tahoe; as much as I care...
  6. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    So are stiffer (thicker) coils. Since my Z71 did not come with any air shocks or springs, adding an air spring system (at least to me) seems more complicated than choosing better suited coils, which will also improve handling when unloaded; the vast majority of the time, I am UNloaded.
  7. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Thankfully, no - if it did, my focus would still be as it is now, treating the air ride as a secondary supplementary system that I'd not want to need. Does that make sense? Or I might delete it ... Don't know much of anything about TrailBlazers. Very much doubt any EnTrail has rear coil springs...
  8. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    To me my Tahoe handles like a drunk rhino with a bad sense of rhythm. Sure I exaggerate, but it presently inspires no lane change confidence; I fear an emergency swerve. Luckily 2010 Suburban brakes reassure me every time I use them. The handling difference between my Fleetwood with the livery...
  9. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Hopefully I won't need to start another thread to ask 2500 owners how stiff they think their rides are ...
  10. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    I'm also the guy who installed various limousine/tow package/9C1 parts on his '94 Cadillac Fleetwood in '99, because ... how do I say this politely ... I've no appreciation of or desire for typical civilian suspension packages. Later I also did the same for my Caprice wagon, because I've...
  11. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    I heard you, both times, including when warning me not to. I don't plan on doing it again, in fact I plan on not doing it again. Whether or not HE gets a trailer, or a 2500 vehicle, is up to him. I will NOT let him overuse my Tahoe again. That said ...
  12. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Maybe I should start another thread to ask 2500 owners to educate duh masses about their vehicles? Since I'm sure there are such things as 2500 ExpresSavanas, do those 2500 vans use rear leaves, or coils? What about the 1500 vans? Do they use rear coils? And most importantly again, are they...
  13. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Hmmm ... 35% or 70% over ... what is the GM OE spring rate in lb/inch? Still, these are both very helpful, thank you. Interesting, looks like Tahoes & Suburbans (1500) both used the same rear coil spring? This may be an odd question: Did the GMT900 2500 Suburbans use rear leaves or rear coils...
  14. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Since I've already got those ... Can my Tahoe use H2 coils?
  15. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Ok, for now, I'll limit my question: are stiffer rear coils available, that are physically compatible with my Tahoe? If so, who makes these stiffer coils? A stiffer GM ACDelco coil would of course be preferable, but I want stiffer rear coils. (I'll worry about stiffer torsion bars later.)
  16. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    PPVs & SSVs did not use helper springs (nor did the Hummer H2, which is the closest thing to a Tahoe 2500 I can think of). Granted that's not exactly an argument, but the tendency to use GM OE stiffer springs & shocks has yielded positive results in the past. Any overloading in the future will...
  17. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Agreed. I do care (although you all may not see it that way), which is exactly why I (think I) need stiffer rear coils. Again, agreed. Check your RPO SPID sticker, or plug your VIN in after the equal sign in this link https://www.gmpartsgiant.com/vin-decoder.html?vin= The RPOs that start...
  18. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    Commonly used by Suburban 2500s as well, I think? @stutaeng, may I ask what front torsion bars your bubba 2500 has? If you both don't find your front bars 'too stiff', may want these. Not shy about considerably stiffer torsion bars / springs. I'm also crazy enough to consider thickest/stiffest...
  19. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    https://www.gmpartsgiant.com/vin-decoder.html?vin= your VIN after the 'equal' sign, your torsion bars are represented by 6-- & 7--
  20. M

    Hauling VERY heavy with an '02 Tahoe Z71, NEED stiffer springs

    C5U 6800lb, largely due to GM OE's very soft spring choices: 6XL & 7XL. want to improve / increase my Tahoe's ability to load & haul My torsion keys are FK2 & FK3; not sure I want to go any lower than FF6 &FF7 which were used by SSVs, can't go a single hair higher. @ORVietVet, you mentioned...
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