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stevebj864
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is there any info availale for adjusting castor and/or camber on a bj8? the shop manual that i have is pretty coy on the subject.
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wheel alignment
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healeyneil
Jedi Hopeful
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There are two means of adjusting camber that I know of. There is a sliding plate that the shock bolts to (lots of work to fit) or there are offset trunnion bushes which are easy to fit. Both are available (as far as I know ) from Denis Welch
Randy Forbes
Yoda
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[ QUOTE ]
There are two means of adjusting camber that I know of. There is a sliding plate that the shock bolts to (lots of work to fit) or there are offset trunnion bushes which are easy to fit. Both are available (as far as I know ) from Denis Welch
[/ QUOTE ]
And not that hard to make either...
There are two means of adjusting camber that I know of. There is a sliding plate that the shock bolts to (lots of work to fit) or there are offset trunnion bushes which are easy to fit. Both are available (as far as I know ) from Denis Welch
[/ QUOTE ]
And not that hard to make either...
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[ QUOTE ]
is there any info availale for adjusting castor and/or camber on a bj8? the shop manual that i have is pretty coy on the subject.
[/ QUOTE ]
Hi Steve,
Castor is built into the assembly by mounting the rear inboard A arm pivot lower than the front pivot. This tilts the kingpin forward at the bottom or backward at the top. A little known problem with this offset mount is outlined here: https://www.team.net/html_arc/healeys/200109/msg00029.html Caster & camber are also fixed by the top shock/control arms & shock location. Stock caster of about 1.5 to 3 degrees was intentionally set very minimal to make low speed steering easier on the non power assisted steering.
Camber can be changed by moving the top trunion inboard to reduce positive camber or possibly create some negative camber.
Since it takes about 3/16" of movement to achieve one degree of caster or camber change, offset top bushings offer very little range of adjustment for camber, maybe one degree.
The shock/top arm location can be changed by using adjustable top shock mounting plates. Move the shock inboard to decrease camber. Move the shock rearward to increase caster.
It still takes quite a bit of movement to get much angle change.
More radical camber changes can be obtained by substituting shorter shock arms from various different models of shocks designed for other cars.
See Chris Dimmock's informative article.
https://www.myaustinhealey.com/austin_healey_technical_articles.html
D
is there any info availale for adjusting castor and/or camber on a bj8? the shop manual that i have is pretty coy on the subject.
[/ QUOTE ]
Hi Steve,
Castor is built into the assembly by mounting the rear inboard A arm pivot lower than the front pivot. This tilts the kingpin forward at the bottom or backward at the top. A little known problem with this offset mount is outlined here: https://www.team.net/html_arc/healeys/200109/msg00029.html Caster & camber are also fixed by the top shock/control arms & shock location. Stock caster of about 1.5 to 3 degrees was intentionally set very minimal to make low speed steering easier on the non power assisted steering.
Camber can be changed by moving the top trunion inboard to reduce positive camber or possibly create some negative camber.
Since it takes about 3/16" of movement to achieve one degree of caster or camber change, offset top bushings offer very little range of adjustment for camber, maybe one degree.
The shock/top arm location can be changed by using adjustable top shock mounting plates. Move the shock inboard to decrease camber. Move the shock rearward to increase caster.
It still takes quite a bit of movement to get much angle change.
More radical camber changes can be obtained by substituting shorter shock arms from various different models of shocks designed for other cars.
See Chris Dimmock's informative article.
https://www.myaustinhealey.com/austin_healey_technical_articles.html
D
OP
stevebj864
Freshman Member
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thank ur you, everyone, for your informed input.
