LX 570 misconceptions: RTI myths and ARB bumpers

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Aug 21, 2012
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In reading this and other forums' archives I've seen it brought up often that AHC is inferior to KDSS for off-roading. Since KDSS acts like an auto swaybar disconnect, more or less, I thought that this would imply that AHC-equipped LX 570s, that is to say all the ones sold in the US, would have poorer articulation than their KDSS-equipped LC brethren. After all, if this weren't the case and the system proved to be reliable, the extra clearance that AHC could give would give it the advantage, stock vs. stock.

It turns out that this isn't the case: Per Four Wheeler's testing the LX and LC rack up nigh-identical RTI scores, 542 to 538. Also, Inside Line put both their GX and LC on their own 20 degree ramp. Although their numbers differ a bit it's still pretty clear that the LC (and thus, by extension, the LX) flexes more than the KDSS-equipped GX, which is a highly regarded machine in its own rightl

I link to the original tests here in this earlier Google+ post of mine: https://plus.google.com/115479414905422234350/posts/4UjKS2hBWR9?fd=1 and below are Inside Line's RTI shots:

2010_Toyota_Land_cruiser_RTI_r34_lr_twist.jpg


2011_Lexus_GX460_RTI_r34_left.jpg


From all this I think it's safe to say that the LX actually isn't hobbled off-road compared to the LC, again stock vs. stock. Both the LC and LX would share their owners' reluctance to scratch them up as they're really not that differently priced, and the limited approach/departure angles due to those big stock bumpers are also the same. Before someone points out that ARB can fix this latter problem for the LC, I just found out that their bumpers also fit the LX 570, even though they're not advertised this way. Photographic, somewhat absurd looking, non-color matched proof here: http://s1200.photobucket.com/albums/bb327/joshatbaertrax/LX570 with 200series ARB Bumpers/

I actually own neither a LC nor an LX at the moment--in fact, my only "car" is my motorcycle since this past spring--but I've been eyeing the LX for a long time. Knowing that the RTI is the same and that the ARB stuff fits is a big mental relief, actually, even though I'd probably actually end up doing nothing more radical than getting two extra sets of 18" wheels with LT275/65-18 AT and snow tires, respectively, in order to run light trails and go skiing.
 
From someone who has to work on Toyota SUV's - We buy and armor close to 80 a month.

Be careful when you try to compare the 150 series (Toyota Pardo and Lexus GX) to the 200 series (Toyota Landcruiser and Lexus LX)

even though the look alot a like there is alot of difference in them. I had to keep reading the first paragraph cause I look at the picture and was "WTF did they do to that Lexus LX" until i realized it was a GX.
 
I think the biggest mis conception most people have is that the AHC is not as reliable or has the longevity of the standard shock set up with KDSS. Once you load up the vehicle with all the camping junk and people etc the AHC seems to be stressed. I only have experience with the 100 series LX AHC; and I dont have faith in the system
 
Thanks for the comparism!

I have upgraded AHC shocks built in. They comes from the armored diplomatic cars, and are able to handle 5.2 tons - togehter with the violet springs.

So AHC has not to be stock - when you load them ;) You can change them :doh:

Only stuff what differs a AHC car to a non AHC car: you cannot fit a rear bar, because of the location of the AHC pump.

To relocate them, would be a botched job. But you can mount a Kaymar Tyre Holder, without the whole rearbar, like i have done it...
 
From someone who has to work on Toyota SUV's - We buy and armor close to 80 a month.

Be careful when you try to compare the 150 series (Toyota Pardo and Lexus GX) to the 200 series (Toyota Landcruiser and Lexus LX)

even though the look alot a like there is alot of difference in them. I had to keep reading the first paragraph cause I look at the picture and was "WTF did they do to that Lexus LX" until i realized it was a GX.
The photobucket photos are of an LX570 getting an ARB bumper. Very helpful.
 
@longranger or should I say Worldcleanupday, this thread is 5 years old man......
 
@longranger or should I say Worldcleanupday, this thread is 5 years old man......
So what? There haven’t been many photos of LX570s with ARB bumpers since. Winch bumpers are like good wine; they get better with age. So if we can get updates on how the bumpers are holding up over five years, especially if they’ve been beaten up a bit (paint/rock chip/corrosion) — that helps folks who are thinking of getting an ARB bumper.

Same true for ARB bumpers and airbags. The ARB 200-series bumper advertises that it reuses factory airbag/crash sensors — but can’t find more info beyond that.

Lastly, would be useful to hear if the LX folks running winch bumpers did any manual AHC adjustments (such as front sensor adjustments) to account for the heavier front load, or if they just left that task for the “auto-leveling” function on the LX?
 
I stopped two sentences in. Old bumpers look like garbage. Innovation in design and materials is ever changing the bumper world. They aren't wines.

Lastly, there's an entire thread dedicated to LX pics (because they're 'special' I guess) .
I mean overall setup/mounting/materials/durability. If you’re changing bumpers regularly, maybe you got a bad bumper or have had bad installs. With the grill/plastic trimming and underbody/skid add-ons, even sturdy ARB setups will have some loosening over time, esp if ridden hard. That’s why I’m saying a good winch bumper setup is one that ages well and gives more trust and value the longer it’s on without any sort of maintenance or grief.

But back to the point at hand (ARB bumpers on LX570), I’m curious about (1) added drag at speed and (2) potentially reduced MPG and (3) more wind noise. Please share your observations on these.
 
There isnt anything out of order bumping an old thread or the post he made. Lets not jump on members because of other threads
 
In reading this and other forums' archives I've seen it brought up often that AHC is inferior to KDSS for off-roading. Since KDSS acts like an auto swaybar disconnect, more or less, I thought that this would imply that AHC-equipped LX 570s, that is to say all the ones sold in the US, would have poorer articulation than their KDSS-equipped LC brethren. After all, if this weren't the case and the system proved to be reliable, the extra clearance that AHC could give would give it the advantage, stock vs. stock.

It turns out that this isn't the case: Per Four Wheeler's testing the LX and LC rack up nigh-identical RTI scores, 542 to 538. Also, Inside Line put both their GX and LC on their own 20 degree ramp. Although their numbers differ a bit it's still pretty clear that the LC (and thus, by extension, the LX) flexes more than the KDSS-equipped GX, which is a highly regarded machine in its own rightl

I link to the original tests here in this earlier Google+ post of mine: https://plus.google.com/115479414905422234350/posts/4UjKS2hBWR9?fd=1 and below are Inside Line's RTI shots:

2010_Toyota_Land_cruiser_RTI_r34_lr_twist.jpg


2011_Lexus_GX460_RTI_r34_left.jpg


From all this I think it's safe to say that the LX actually isn't hobbled off-road compared to the LC, again stock vs. stock. Both the LC and LX would share their owners' reluctance to scratch them up as they're really not that differently priced, and the limited approach/departure angles due to those big stock bumpers are also the same. Before someone points out that ARB can fix this latter problem for the LC, I just found out that their bumpers also fit the LX 570, even though they're not advertised this way. Photographic, somewhat absurd looking, non-color matched proof here: http://s1200.photobucket.com/albums/bb327/joshatbaertrax/LX570 with 200series ARB Bumpers/

I actually own neither a LC nor an LX at the moment--in fact, my only "car" is my motorcycle since this past spring--but I've been eyeing the LX for a long time. Knowing that the RTI is the same and that the ARB stuff fits is a big mental relief, actually, even though I'd probably actually end up doing nothing more radical than getting two extra sets of 18" wheels with LT275/65-18 AT and snow tires, respectively, in order to run light trails and go skiing.

Digressing here.....
I love the Salsa Red!
I understand that people get tired of the mass produced White, Silver and Black (trying to be like Mercedes) but the Red, Elusive Bigfoot Amazon Green would be my 1st choice for a vehicle. Too bad they never offered a nice Bronze Brown like on Land Rovers etc.
 

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