3dr Straight line stability............update H13 ARB
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My bum hole twitches at more than 160
. What can be done to improve the stability of the car. I have konis and to this day have never messed about with the settings on them! whats best (ignoring comfort) for stability at that sort of speed. Is there anythign else that would be worth while doing.
I have some adjustable track control arms that I have never fitted
is it all Beam etc after I have exhausted the basic stuff??
Have a full 500 kit on the car and was wondering if tdownforoce on the rear fin makes the fron end light (something that stiffening up the rear would help)
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
I have some adjustable track control arms that I have never fitted
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
is it all Beam etc after I have exhausted the basic stuff??
Have a full 500 kit on the car and was wondering if tdownforoce on the rear fin makes the fron end light (something that stiffening up the rear would help)
Last edited by rsnissan; 18-07-2008 at 06:03 PM.
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lack of stability!.......................just dont drive fast then lol
glad i could be of assistance![Wink](https://passionford.com/forum/images/smilies/icon_wink.gif)
p.s hope at these high speeds you dont lose those centre caps lol
glad i could be of assistance
![Wink](https://passionford.com/forum/images/smilies/icon_wink.gif)
p.s hope at these high speeds you dont lose those centre caps lol
#7
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So let me get this straight, you have Konis that you have never adjusted? ![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
First thing to try, is to stiffen up the damping rates.
Next thing to check is the bushes. If these are worn, the car WILL wander.
Following that, check the geometry, again, if set to run parrallel, the car WILL wander.
Go and do the above and then report back
.
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
First thing to try, is to stiffen up the damping rates.
Next thing to check is the bushes. If these are worn, the car WILL wander.
Following that, check the geometry, again, if set to run parrallel, the car WILL wander.
Go and do the above and then report back
![Raz](https://passionford.com/forum/images/smilies/tongue.gif)
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Tony are these bits teh same on both the 4x4 and the 2wd?
Cheers Gaz
this was on the way back from combe so pre centre caps ![Pthbbbb](https://passionford.com/forum/images/smilies/smile045.gif)
Chip thats what i was thinking but not 100% sure, logic tells me that it would due to the design of the arms but not qualified to say eitehr way.
Mike yep! lol they were on the car when i got them so kind havent got round to tweeking them (TBH they were fine till I got the new engine in
) do you suggest stiffening up the rears and fronts? Max settings?
forgot to say the car is fully pollybushed
Cheers Gaz
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
![Pthbbbb](https://passionford.com/forum/images/smilies/smile045.gif)
Chip thats what i was thinking but not 100% sure, logic tells me that it would due to the design of the arms but not qualified to say eitehr way.
Mike yep! lol they were on the car when i got them so kind havent got round to tweeking them (TBH they were fine till I got the new engine in
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
forgot to say the car is fully pollybushed
Last edited by rsnissan; 09-07-2008 at 11:30 AM.
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So let me get this straight, you have Konis that you have never adjusted? ![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
First thing to try, is to stiffen up the damping rates.
Next thing to check is the bushes. If these are worn, the car WILL wander.
Following that, check the geometry, again, if set to run parrallel, the car WILL wander.
Go and do the above and then report back
.
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
First thing to try, is to stiffen up the damping rates.
Next thing to check is the bushes. If these are worn, the car WILL wander.
Following that, check the geometry, again, if set to run parrallel, the car WILL wander.
Go and do the above and then report back
![Raz](https://passionford.com/forum/images/smilies/tongue.gif)
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the mounts on them are just flimsy bits of coke can tack weled on for homologation, prob ony worth anything to someone that wants them for originality
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Andy, my saff was the same at high speed, well tbh anything over 110 mph it started moving all over the place.
so i PM'd Mike and he kindly PM'`d me some settings and i copied it and took it with me to have it 4 wheel laser aligned and now it's alot better, well near on perfect..![Clap](https://passionford.com/forum/images/smilies/9c-clap.gif)
And mine has the Zoo adjustable rear beam...
![Confused](https://passionford.com/forum/images/smilies/icon_confused.gif)
![Clap](https://passionford.com/forum/images/smilies/9c-clap.gif)
And mine has the Zoo adjustable rear beam...
![](https://passionford.com/forum/images/smilies/roi.gif)
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![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
Andy, my saff was the same at high speed, well tbh anything over 110 mph it started moving all over the place.
so i PM'd Mike and he kindly PM'`d me some settings and i copied it and took it with me to have it 4 wheel laser aligned and now it's alot better, well near on perfect..![Clap](https://passionford.com/forum/images/smilies/9c-clap.gif)
And mine has the Zoo adjustable rear beam...![](https://passionford.com/forum/images/smilies/roi.gif)
![Confused](https://passionford.com/forum/images/smilies/icon_confused.gif)
![Clap](https://passionford.com/forum/images/smilies/9c-clap.gif)
And mine has the Zoo adjustable rear beam...
![](https://passionford.com/forum/images/smilies/roi.gif)
![Red Faced](https://passionford.com/forum/images/smilies/icon_redface.gif)
![Big Grin](https://passionford.com/forum/images/smilies/icon_mrgreen.gif)
Yeah 1st port of call deffo mate!
#28
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Andy : To start off with and to know your on an even playing field (And before spending loads of dosh without the need) .........I'd be checking that all the standard parts where perfect first. (Bushes, Joints, Shockers, Spring and rubber spring platforms.........etc).
Staffi : You have 3dr Front Hubs and arms on the Sapphire, which make the car more responsive to turn in etc. But you always have to remember that if you take it anywhere to have the front suspension aligned..........take the settings that Mike R gave you. Otherwise if the local Quick Fit Shitters set it up to "Sapphire" settings, then you'll probably loose control of the car at about 70mph.
With the Sapphire Settings it's leathal. Hang onto those settings that Mike gave you. For when I buy it back..................LOL.
Staffi : You have 3dr Front Hubs and arms on the Sapphire, which make the car more responsive to turn in etc. But you always have to remember that if you take it anywhere to have the front suspension aligned..........take the settings that Mike R gave you. Otherwise if the local Quick Fit Shitters set it up to "Sapphire" settings, then you'll probably loose control of the car at about 70mph.
With the Sapphire Settings it's leathal. Hang onto those settings that Mike gave you. For when I buy it back..................LOL.
Last edited by Jim Green; 09-07-2008 at 12:26 PM.
#30
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As I said, adjust the settings first - put the suspension all on full hard and see what you think. Adjust it down to suit if necessary.
But I would guess that the geometry is to Ford settings, which is great for high speed wander
.
If the bushes are cheap copies (Deflex etc), then these could well be worn out. If Powerflex, then should be no problem.
But I would guess that the geometry is to Ford settings, which is great for high speed wander
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
If the bushes are cheap copies (Deflex etc), then these could well be worn out. If Powerflex, then should be no problem.
#31
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The standard shells bound to be a factor as well, the 3dr ones are as twisty as a twisty thing.
Just jack up one corner then try to open or close the doors, they become miles out of line.
Dont know if those frame stabiliser thingies Danny B sells would help the shell from flexing so much
Just jack up one corner then try to open or close the doors, they become miles out of line.
Dont know if those frame stabiliser thingies Danny B sells would help the shell from flexing so much
#32
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As I said, adjust the settings first - put the suspension all on full hard and see what you think. Adjust it down to suit if necessary.
But I would guess that the geometry is to Ford settings, which is great for high speed wander
.
If the bushes are cheap copies (Deflex etc), then these could well be worn out. If Powerflex, then should be no problem.
But I would guess that the geometry is to Ford settings, which is great for high speed wander
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
If the bushes are cheap copies (Deflex etc), then these could well be worn out. If Powerflex, then should be no problem.
have you checked the semi trail arm joints whilst we are talking of them
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Original spherical bearings in the semi trailing arms and these are fine it doesnt feel like its pitching or diving as such..........just generally a light front end.
The semi trailing arm joints are all tight, what colour are the powerflex bushes again?
The semi trailing arm joints are all tight, what colour are the powerflex bushes again?
#35
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set your rear konis to max set the front to half a turn off max check all joints and bushes front and rear fit sapphire 4x4 rear roll bar and sapphire rear arms check geometries and set them.
and make sure you have a serious front strut brace as the 3 door shell has front end issues and should have been recalled and had inner flitch modifications cos they kept bending
and make sure you have a serious front strut brace as the 3 door shell has front end issues and should have been recalled and had inner flitch modifications cos they kept bending
Last edited by Turbosystems; 09-07-2008 at 12:37 PM.
#38
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My old 3dr was stable as fuck even at 7.5k in top, much more than even a lot of standard sporty cars ive driven at big speeds, and certainly more than my Chaser is.
Just was polybushed and slammed on its arse on coilovers, absolutley no technical merit to any of it.
Guess I got lucky
Just was polybushed and slammed on its arse on coilovers, absolutley no technical merit to any of it.
Guess I got lucky
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
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andy,
mine was very stable at speed, which the trip over to the ring proved.![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
mine was just on koni's and new powerflex bushes.
Must be worn bushes i reckon or as mike has said tracking.
mine was very stable at speed, which the trip over to the ring proved.
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
mine was just on koni's and new powerflex bushes.
Must be worn bushes i reckon or as mike has said tracking.
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My old 3dr was stable as fuck even at 7.5k in top, much more than even a lot of standard sporty cars ive driven at big speeds, and certainly more than my Chaser is.
Just was polybushed and slammed on its arse on coilovers, absolutley no technical merit to any of it.
Guess I got lucky![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
Just was polybushed and slammed on its arse on coilovers, absolutley no technical merit to any of it.
Guess I got lucky
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
![Surprised](https://passionford.com/forum/images/smilies/bigcry.gif)
maybe thats where I am going wrong!