AHC delete or not to delete on 100 series overlanding build

[OEMGUY0720]

Yes the rear coil springs of the 200 series is interchangeable with the 100 series. Conventional shock mounts and specs are also the same including upper and lower trailing arms. Basically the rear is identical on both models. Curious as to what spring rate for both models have.

 

[GTV]

Yes the rear coil springs of the 200 series is interchangeable with the 100 series. Conventional shock mounts and specs are also the same including upper and lower trailing arms. Basically the rear is identical on both models. Curious as to what spring rate for both models have.

Thanks for confirming.
The google says a 200 LX weighs about 600 lbs more than a 100 LX, no idea what the f/r weight distribution is or how the AHC is balanced out but it seems like it’s worth a shot. I think I’ll grab a pair and see what happens.

 

[2001LC]

I'm looking for all the wire harness housing (pig tails) blocks. i.e: For the pump. pressure sensor (both styles), temp sensor, high sensor(s), controller, accumulator, etc. Number one I need today, is for pump motor. I'm using these to make diagnostic tools.

If you're (or anyone) remove any or all. I can use them?

I'm also looking for the AHC ECu (under dash near IG SW)?

Anyone, please PM if you can help. Thanks!

 

[zcostilla]

First of all, David, nice looking rig man.

Secondly, I have to push back a little on this, as your Land Cruiser brother. When I was in Sooke's place a year ago, I kept hearing this "it works fine but if one component fails' argument and the "and then your stuck on a trail with a suspension that doesn't work" bit. It seems to be ubiquitously passed around in any forum that mentions AHC, but I've never understood the logic...

Yes, a part of the AHC system could fail, and you have a trail problem to solve.

But could one not also say that about many parts on your engine and your engine system as well? So do we "delete engines?"

Sorry, I had to get that in there for all the AHC lovers out there....

My friend drives a heavily modified Baja bug pretty much everywhere you can go in South Dakota. I’m amazed at the places he’s been able to keep up with the 4x4s, everywhere but the hardcore rock crawling. But he often says how grateful he is to have a spare engine in the rear trunk.

 

[porkandcorn]

My friend drives a heavily modified Baja bug pretty much everywhere you can go in South Dakota. I’m amazed at the places he’s been able to keep up with the 4x4s, everywhere but the hardcore rock crawling. But he often says how grateful he is to have a spare engine in the rear trunk.

I'll refer everyone to the definitive opinion on this matter, so we can settle it once and for all:

AHC delete or not to delete on 100 series overlanding build - https://forum.ih8mud.com/threads/ahc-delete-or-not-to-delete-on-100-series-overlanding-build.1277314/page-3#post-14314434

 

[Pulgasari]

So my takeaways here are

• I should probably replace all the AHC-related bushings
• If I start loading weight onto the front or the rear, I should probably get some King springs?

However, I still have a few questions - I am considering getting a Chinesium (i.e. heavy) rear bumper with swing-out tire carrier plus jerry can storage

• If I add weight and switch to King springs, should I get a non-AHC rear sway bar as well?
• Should I look into swapping out the rear shocks too?

 

[jLB]

I’d avoid Chinesium bumpers, vibranium, adimantium, steel, or aluminum (aluminium) are much better.

 

[bpalmer7440]

The driver’s side front high pressure hose on our 2006 LC sprung a pinhole sized leak and started spraying the corresponding exhaust manifold with hydraulic fluid. Now our driveway is covered with hydraulic fluid. Has anyone else experienced hose failure? Any good sources for replacement hoses?

 

[excessive]

that part is still available new from Toyota, although when you see the price you will understand why me and so many others have ditched AHC. you can do the entire AHC delete w/ Landcruiser parts for the cost of that 1 line

49162-60011 Genuine Toyota Hose, Suspension Control Pressure

ToyotaPartsDeal.com offers the great deal for genuine Toyota parts 49162-60011 (4916260011) Hose, Suspension Control Pressure for $468.15. All parts are backed by the Toyota's warranty.

www.toyotapartsdeal.com

 

[bpalmer7440]

that part is still available new from Toyota, although when you see the price you will understand why me and so many others have ditched AHC. you can do the entire AHC delete w/ Landcruiser parts for the cost of that 1 line

https://www.toyotapartsdeal.com/oem/toyota~hose~suspension~control~pressure~no~2~49162-60011.

Thanks for the quick response. Is there an AHC delete how-to thread on this site? I haven’t decided the best COA but would like to know what kind of effort that is. I have tried searching but all I get is this thread, which does not appear to contain the method.

 

[bpalmer7440]

This appears to be a good AHC delete video YouTube AHC Delete

 

[J1000]

So my takeaways here are

• I should probably replace all the AHC-related bushings
• If I start loading weight onto the front or the rear, I should probably get some King springs?

However, I still have a few questions - I am considering getting a Chinesium (i.e. heavy) rear bumper with swing-out tire carrier plus jerry can storage

• If I add weight and switch to King springs, should I get a non-AHC rear sway bar as well?
• Should I look into swapping out the rear shocks too?

If you add a front bumper and winch etc while keeping AHC I also recommend changing to stock Land Cruiser front torsion bars vs just turning the LX470 bars up. You can still dial in the AHC pressures and it handles the weight a lot better, totally changes the front end performance offroad for the better. If you crank the LX470 bars up to maintain the right pressure, then they are really twisted up so when the front unloads off an obstacle the wheels try to drop hard, vs with the LC bars they come down a lot more gently and controlled. I was able to score a set of LC t-bars for free at a local swap meet.

 

[Pulgasari]

If you add a front bumper and winch etc while keeping AHC I also recommend changing to stock Land Cruiser front torsion bars vs just turning the LX470 bars up. You can still dial in the AHC pressures and it handles the weight a lot better, totally changes the front end performance offroad for the better. If you crank the LX470 bars up to maintain the right pressure, then they are really twisted up so when the front unloads off an obstacle the wheels try to drop hard, vs with the LC bars they come down a lot more gently and controlled. I was able to score a set of LC t-bars for free at a local swap meet.

Perfect, I actually recently added both an ARB bumper and a winch and my front has been sagging a bit more and I now occasionally get some rubbing in N on tight turns (yay 0 offset wheels).

I was going to crank the LX torsion bars and try and go for a ~1 in sensor lift but I think I’ll just get some from an LC and get everything right once and for all.