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 Post subject: Front Tie Rod Bushes
PostPosted: Sun May 31, 2020 10:29 am 
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Location: Brandy Hill, NSW
Attachment:
Mini Front Tie Rod Bushes 001.JPG


This is what is left of my orange front tie rod bushes. The car has not been on the road for many years but they have disintegrated away.

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Mini Front Tie Rod Bushes 002.JPG


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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Sun May 31, 2020 10:38 am 
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Joined: Wed Sep 08, 2004 9:27 pm
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Location: Wodonga - Vic/NSW border
quality....

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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Sun May 31, 2020 10:45 am 
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Location: Sthrn HiLoLands, NSW, Australia
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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Sun May 31, 2020 12:57 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
simon k wrote:
quality....

Red poly crumbles under load, my tiebar bushes did the same. It's too hard & brittle.
I went back to rubber.

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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Sun May 31, 2020 5:03 pm 
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1275cc
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Joined: Sat Feb 09, 2013 5:44 pm
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Location: Camden
drmini in aust wrote:
simon k wrote:
quality....

Red poly crumbles under load, my tiebar bushes did the same. It's too hard & brittle.
I went back to rubber.


Would this also apply to the life expectancy of the Nolathane red hex bush replacement for the original felt steering rack damper?


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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Sun May 31, 2020 8:48 pm 
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I have had the same problem in my mini and ford, but i found them to fall apart with age. I did what drmini did go back to rubber but superpro ones are very good i have fitted a few.
Cheers Rob


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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Mon Jun 01, 2020 6:26 am 
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Location: near Baulkham Hills, NSW
Bill B wrote:
drmini in aust wrote:
simon k wrote:
quality....

Red poly crumbles under load, my tiebar bushes did the same. It's too hard & brittle.
I went back to rubber.


Would this also apply to the life expectancy of the Nolathane red hex bush replacement for the original felt steering rack damper?

No. Because it is lubricated, usually with 140 gear oil. And there's hardly any compression stress on it.
Also, although these are also red, they are far softer than tie bar or steady bar bushes.
I've pulled some racks down that had them in and they were still perfect. But I changed them due to rebuild.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Mon Jun 01, 2020 10:06 am 
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Joined: Sat Feb 09, 2013 5:44 pm
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Location: Camden
Thanks for that answer.


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 Post subject: Re: Front Tie Rod Bushes
PostPosted: Mon Jun 01, 2020 9:38 pm 
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Joined: Fri Apr 01, 2011 8:33 pm
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You should not put a polly bush where it appears it might have been in the photo...

The tie rod moves up and down and the joint needs to be able to flex. (I missed the lamp post by thiiiiis much after a tie rod end failed. If the joint can't flex, the rod does...)

Movement at the tie rod end under heavy braking (as the front bush deforms) causes caster changes which affect stability. This is why you use a polly bush in front to maintain stability under braking and a rubber bush behind where it doesn't have much of an effect on acceleration but allows flexibility over bumps...

My (front) polly bushes have been there for years.

Cheers, Ian


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