04' LC100 IFS Lift question

Submitted: Thursday, Jun 17, 2004 at 18:17
ThreadID: 13865 Views:1873 Replies:4 FollowUps:4
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ARB told me today that the most lift they would recomend with OME LTR & coils on the cruiser is 10mm otherwise I would be sacrivising too much front end articulation. Seems a bit hoz it goin?
I'm sure I've read here that LC100 IFS owners are getting a considerable amount more than 10mm with OME gear.

Any other IFS Cruiser owners out there that can shead some light on this semingly poor lift thats being ofered to me buy ARB? Is this right?

Cheers!
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Reply By: Baz (NSW) - Thursday, Jun 17, 2004 at 18:24

Thursday, Jun 17, 2004 at 18:24
I was told 35mm was the limit that ARB would do, apparently the front knuckles crack in the IFS on the 100s is that right John.

Baz.
AnswerID: 63623

Follow Up By: Truckster (Vic) - Thursday, Jun 17, 2004 at 19:11

Thursday, Jun 17, 2004 at 19:11
Correct...

Oh what a feeling :D
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Follow Up By: itldoo - Thursday, Jun 17, 2004 at 22:20

Thursday, Jun 17, 2004 at 22:20
Regarding '04 100 Series with IFS front- I suggest that the gentleman concerned with this vehicle should talk to 4WD shop in his area & talk about the exercise with Kings Springs & Bilstein Shocks. The lift will be more than 10mm but you are restricted with having the IFS Front. You can only wind the torsion bars up so much.Hopefully some help to you.
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Reply By: GaryW - Friday, Jun 18, 2004 at 13:42

Friday, Jun 18, 2004 at 13:42
I have a LC100 T/D IFS. I put OME T/Bars and LTRs on the front.

The critical measurement is the wheel drop (Measure the distance vertically from bottom of wheel rim through hub to body (guard) - measure on level surface then jack the vehicle from the chassis until the wheel is off the ground. Measure the distance again. The difference between the 2 measures is the wheel drop. This must be at least 60mm. If it is more, say 80mm then you can get a (in this case) 20mm lift.

The main reason for changing T'Bars isn't for the lift but rather because the OEM's sag after about 20,000ks. Add a bar & winch and it really gets bad.

The reason this is critical is because the shocks act as a stopper when the wheel drops - say into a rut etc.. If the wheel drop is too small then you will rip the shock to bits, or worse. I found some real flunkies out there who just don't know any of this and well tell you anything. I finally got this info from the ARB product specialist at ARB HQ.

I didn't measure my truck properly before hand but I reckon I got at least 30mm out of mine. Add 15-20mm when I changed tyres to 285/75/16's and I have a total lift of nearly 50mm - That's heaps on an IFS which gives you much better center ground clearance to start with.

BTW - If you can afford it I would also recommend front air lockers as they will compensate for the lack of travel and inherant weakness in the LC100 IFS front diffs. However to add front lockers you also need to have a rear one so the bill gets expensive. If you can't then take it easy in the rough stuff especially in reverse - the front diffs are known to break.

Hope this helps

Gaz
AnswerID: 63761

Follow Up By: Member - Willie Sydney - Friday, Jun 18, 2004 at 16:46

Friday, Jun 18, 2004 at 16:46
Gary ,
I have been worried about these stories of the weak front diff . How will the addition of front airlockers help the problem? Please explain it in simple terms , as I am a clutz mechanically . I have an IFS and am having front and rear diff locks fitted next month .
Also , getting back to the original thread , I am having the ARB suspension job done next month- the lift will be more noticeable on my car because it is three years old with a long range tank and a Kaymar rear bar and the weight has made the springs compress so much it no longer rides bum up. I am also getting the hvy duty torsion bars fitted . They do not allow more lift , but are much less prone to damage .
Thanks,
Willie
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Follow Up By: GaryW - Friday, Jun 18, 2004 at 17:33

Friday, Jun 18, 2004 at 17:33
I can only go by the repeated stories here and elsewhere as I have no personal experience with a busted diff.

As I understand it the front diff center cradle is the where the weakness is. Under pressure it allows the gears to slightly part and then due to the extra pressure begins to break off teeth on the gears. *poof* busted diff. The ARB Air lockers are a replacement diff center and are much stronger.

I'm told the OEM diff is weakest in reverse and there are many posts by those who have been taking it easy in reverse and *bang* goes the diff. They are also known to go when one wheel loses traction are spins in the air then hits the ground and stops suddenly. This is why I got air lockers. When a wheel is in the air it keeps spinning ant the same speed as the other side.

The risk only applies in the rough stuff I haven't heard of diffs going driving the kids to school.

There are others on this site who have had first hand experience. Take a look in the archive.

Gaz

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Reply By: CRAZY_HILUX - Saturday, Jun 19, 2004 at 18:35

Saturday, Jun 19, 2004 at 18:35
g'DAY

I got me hilux IFS V6 lifted 3 weeks back. I know its not a cruiser but it might help.
They lifted the front bout an inch with Tough Dog springs up front and Ironman foam-cell shocks. I wasnt happy with this and asked how to get more without modifying control arms etc. Off the record was told that i need to cut the bump stops at the rear of the top control arm to allow more travel on the downward direction. So I cut off 20 mm of the bump stop and winded up the torsion bar and now the suspension sits 2.5 " higher up front. I got 3" lift at the rear and cant wait to put my Wrangler MTR's on. The suspension handles terrifically and I have had the truck half a meter off the ground and no problems with the downward travel bottoming out.
Hope I helped abit mate.
catch ya

GO HARD OR GO HOME!
AnswerID: 63969

Reply By: Alex Callaghan - Saturday, Jun 19, 2004 at 18:46

Saturday, Jun 19, 2004 at 18:46
G'day all!

Thanks a bunch for the info.

Big help and definatly some food for thought here.

Cheers!
AnswerID: 63974

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