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mega light steering on soa siera

Tech Talk for Suzuki owners.

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mega light steering on soa siera

Post by known 2 »

just fitted WT diffs to my NT lwb siera, with high steer set up.

took if for a little drive this arvo and the steering is finger light,(this is running 33's). tyres were at about 30psi.

is this normal when a spring over is done?
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86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by oozuk »

when the spoa was done it's possible the caster angles were done incorrectly. go for a drive and see if you get bad steering shake
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Post by PJ.zook »

Yeh that is not really a good sign as youre angles could be out and you might get bad tyre scrubbing. Either that or youre steering was bad to begin with, and doing the conversion fixed teh angles.
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Post by MART »

Also if your steering doesn't centre itself after a u turn or corner the castor will be wrong , the kingpin bearings should be leaning backwarrds at least 2 degrees , Cheers Paul.
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Post by alien »

interesting you mention this though - i've driven a vitara on 32's with no lift and no power steering and it was featherweight steering - tyres running at 30psi (too high)... my sierra, SPOA on 31" cooper stts had 'normal' steering (ie: heavyish) then changed to 31" simex ETs and steering got lighter - im assuming its because of 2 things - the deeper tread flexing, and the more rounded pattern of the tyre, so less of it touching the ground.

So, i'd start by dumping those tyre pressures - 20psi is probably overkill (i run 20 for sidewall stability, theyre comfier at 18 or even 15).
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Post by flickaz »

I found when i put larger tyres and extended shackles on my sierra that my steering got really light. I also noticed it had a severe tendency to under steer and get the occasional speed wobbles around 80km or when decelerating through about 80km. I put 3 degree wedges between my diffs and springs and its the goods now. I dont know how close to factory spec it is, but nothing else about my car is standard anyways :)
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Post by known 2 »

well drove it home from the factory last night and didnt get nasty steering woble but it does need a wheel alignment, as its so far out the camber is adjusting its self as i drive, (wheels lean in wheels lean out) feels like a buckled wheel.

will report back after wheel alignment
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by zook4fun »

you didn't point the diff at the transfercase did you?
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Post by known 2 »

nah its sitting were its supose to be so knuckles are ok.
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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Post by lay80n »

Um camber should not change randomly on the road in a live axle setup. If it is, you have a mechanical problem in the front axle.

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Post by known 2 »

sorted out. toe was 60mm facing inwards causing wheels to fight each other as they turned,
kaylee 2004 hdj78 RV. 33 mickey atz's, winchbar, 3i lift, 3i exhoust, spoties, roofracks and ufh. pimped interior .

86 lwb zook wt soa, 33's, locked, bard up, prety lights. monster tacho:/
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