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l/crusier shimmy??????

Tech Talk for Cruiser owners.

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l/crusier shimmy??????

Post by the gun »

I'm in the market for a late 80 series or cheap 100 series(solid fr axle) and so far I've driven a couple of 80"s with spring lifts. Both the 80's get a body shimmy at hwy speeds over bumps. Is this caused by the increased angle of both fr and rr panard rods due to the spring lift?. I'm guessing the 100's will behave the same.
Anyone with some first hand experiance with this problem pls let me know.
Cheers Glenn :?:
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Post by Sic Lux »

How much spring lift and and were castor corection bushes fitted
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Post by the gun »

Both 80's had about a 4in lift. the one i drove today had the caster correction bushes but the shimmy isn't from the steering wheel. It's like the body jerks sideways when hitting bumps.
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Post by simkell »

I would checkout all the suspension bushes make sure all are ok.

has the 80's got body lifts. if so check the mounts, could be cracked.
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Post by Sic Lux »

Bump steer could be floged out panhard rod bushes possably could be that they need to be longer call mick or bryan at superior 3889 6778 they should know what it is for sure or if some one on here has had the same problem and fixed it they will know 100% what it is another possabilty is worn radius rod bushes (Chassis end) letting one side move back further than the other when you hit bumps it's more likely the panhard rod bushes tho
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Post by the gun »

I had a look under the one today at the panard rod bushes while giving it a shake and there was no movement in either the fr or the back.
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Post by Sic Lux »

Another thing it could posably be is steering dampener so ask how old it had a zook at work doing same thing put new dampener on it and it was 90% gone but i'd still give superior a ring
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Post by JOHNZ »

the gun wrote:Both 80's had about a 4in lift. the one i drove today had the caster correction bushes but the shimmy isn't from the steering wheel. It's like the body jerks sideways when hitting bumps.
If the body seems to move sideways to the right it is due to the angle of the panhard rods .
the mounting point on the diffs should be raised to keep the panhard on a more leavel plane
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Post by the gun »

If the body seems to move sideways to the right it is due to the angle of the panhard rods .
the mounting point on the diffs should be raised to keep the panhard on a more leavel plane[/quote]

JOHNZ
This is what I thought. Is this something you've had experience with?
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