FinallyGotOne!
SILVER Star
Damn...another LC vs LX thread but executed so incredibly well! I have really enjoyed reading the knowledgeable responses, especially the recent ones added by @Tremek and @TeCKis300 .
So I'm going to throw in my two cents: "It's all about the requirements". The answer to which suspension system is better can't be answered without first addressing what the truck will be required to do, for how long, and at what cost. The obvious extreme is the racing example. The system must perform at high speeds in very challenging conditions only long enough to win, and cost is not a limiting factor.
In the passenger market, the design-to conditions are less challenging, the system has to last 25(?) years, and the cost has to be competetive. Toyota has assessed, at least for now, that the LC market requirements are best answered with KDSS and the LX market with the AHC.
If you back into it, I think you'll find that both systems are perfect for a certain set of requirements. For example, here is why the AHC has been perfect for me for the past 17 years:
-- We do five or six long trips a year. Comfort is important on the way to whatever we will be doing, whether it is visiting family for Christmas, or four-wheeling into Park County.
-- We tow a 6000 lb boat and a 3000 lb enclosed trailer. Self-leveling and variable damping is important.
-- We need to get to mountain biking and hiking trailheads, hunting spots, and medium-difficulty off-road trails and raising the truck often mitigates risk of damage.
-- We have older parents who appreciate ease of entry when the truck is down.
-- We carry cargo now and again and I appreciate a lower truck when I am lifting something heavy in or out.
-- Back to towing: I am spoiled in that I can save time cranking the trailers up and down to ball level by raising and lowering the truck instead.
-- We hate washboard...and AHC almost eliminates it!
-- I do my own preventive maintenance and don't mind flushing the AHC according to the Toyota schedule.
-- We don't drive high-speed offroad.
-- We don't purposefully leave the ground(!)
-- We don't rock crawl
-- I may get the itch once or twice a year, but I probably won't ever put sliders on my 570
-- *** The fact that I can't put Slee bumpers front and back and still maintain my stock cargo and towing capacity doesn't bother me a whole lot...just a little. Well, more than a little, but I've traded away that requirement and can live with it.
-- If it ever does fail, the chances are exceedingly low that I will be somewhere very far offroad.
Bottom Line: For my requirements, AHC is perfect and Toyota's execution has been perfectly reliable and effective on both my '00 LX 470 and '11 LX 570.
In closing: no kidding, three days ago I came up behind a guy in what seemed to be a slammed Mercedes SUV ML-something or other sitting way low on the suspension and jumping and bobbing with every bump in the road at 60 mph. My first thought was "Why the heck would someone slam THAT thing?" As I passed him I looked inside and saw his entire family bouncing around and hating it and realized the guy's active suspension had failed and the poor guy was stuck in "Low". They looked absolutely miserable and embarrassed...
So I'm going to throw in my two cents: "It's all about the requirements". The answer to which suspension system is better can't be answered without first addressing what the truck will be required to do, for how long, and at what cost. The obvious extreme is the racing example. The system must perform at high speeds in very challenging conditions only long enough to win, and cost is not a limiting factor.
In the passenger market, the design-to conditions are less challenging, the system has to last 25(?) years, and the cost has to be competetive. Toyota has assessed, at least for now, that the LC market requirements are best answered with KDSS and the LX market with the AHC.
If you back into it, I think you'll find that both systems are perfect for a certain set of requirements. For example, here is why the AHC has been perfect for me for the past 17 years:
-- We do five or six long trips a year. Comfort is important on the way to whatever we will be doing, whether it is visiting family for Christmas, or four-wheeling into Park County.
-- We tow a 6000 lb boat and a 3000 lb enclosed trailer. Self-leveling and variable damping is important.
-- We need to get to mountain biking and hiking trailheads, hunting spots, and medium-difficulty off-road trails and raising the truck often mitigates risk of damage.
-- We have older parents who appreciate ease of entry when the truck is down.
-- We carry cargo now and again and I appreciate a lower truck when I am lifting something heavy in or out.
-- Back to towing: I am spoiled in that I can save time cranking the trailers up and down to ball level by raising and lowering the truck instead.
-- We hate washboard...and AHC almost eliminates it!
-- I do my own preventive maintenance and don't mind flushing the AHC according to the Toyota schedule.
-- We don't drive high-speed offroad.
-- We don't purposefully leave the ground(!)
-- We don't rock crawl
-- I may get the itch once or twice a year, but I probably won't ever put sliders on my 570
-- *** The fact that I can't put Slee bumpers front and back and still maintain my stock cargo and towing capacity doesn't bother me a whole lot...just a little. Well, more than a little, but I've traded away that requirement and can live with it.
-- If it ever does fail, the chances are exceedingly low that I will be somewhere very far offroad.
Bottom Line: For my requirements, AHC is perfect and Toyota's execution has been perfectly reliable and effective on both my '00 LX 470 and '11 LX 570.
In closing: no kidding, three days ago I came up behind a guy in what seemed to be a slammed Mercedes SUV ML-something or other sitting way low on the suspension and jumping and bobbing with every bump in the road at 60 mph. My first thought was "Why the heck would someone slam THAT thing?" As I passed him I looked inside and saw his entire family bouncing around and hating it and realized the guy's active suspension had failed and the poor guy was stuck in "Low". They looked absolutely miserable and embarrassed...