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Location:
Sydney
Registered:
July 2003
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Lowered AE86 tailshaft or gearbox rubbing
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Fri, 12 November 2004 02:06
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Just lowered my 86, now it seems that either the tailshaft or gearbox may me rubbing (quite loudly) on the trans tunnel... just wondering anyone had this before? only happens under heavy acceleration... should i just beat in the tunnel a bit or alot??
any help is good?
thanks.
searched with no results... i couldnt be the first with this problem, could I?
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Location:
c'town, NSW
Registered:
May 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Fri, 12 November 2004 02:22
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have a look at the part of your exhaust that goes over the diff
any bang marks there?
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Registered:
November 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Fri, 12 November 2004 02:35
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Don't know if the AE86 has a rear panhard rod but if it does and you lower the car the diff/tail shaft alignment will be moved off centre towards one side or the other. Look at it from behind and see if it crabs (you can get a cream for that from the chemist  ) or mark up the centre of the diff and measure the distance from one side to the other.
If this is the case an adjustable panhard rod is your answer.
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Location:
Baulko Hillo
Registered:
April 2004
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Fri, 12 November 2004 02:38
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Yeah, it's got a panhard rod. you can pick up an adjustable one from whiteline.
How much did you lower it?
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Location:
Terrigal
Registered:
May 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Fri, 12 November 2004 03:17
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My RA28 which is lowered 1 inch at the rear or there abouts, the tailshaft has made a total mess of the tunnel from hitting it. Only happens when you boot it and happen to go over a bump at the same time though.
I think in my case stiffer rear springs might help.
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Location:
Sydney
Registered:
July 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sat, 20 November 2004 00:29
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nope I have an under diff exhaust.. so yeah i think its fixing itself up...
gradually anyway.
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Location:
Sydney
Registered:
July 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sat, 20 November 2004 00:31
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yeah i think i may need new shox and stiffer springs
my whole set up needs a freshen up!
DOSH is the answer!!!
anyone have adjustable shox for the rear they wish to sell or does anyone know where i could get em??
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Banned user
Location:
Liverpool NSW
Registered:
March 2004
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Location:
Melbourne
Registered:
January 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sat, 20 November 2004 13:01
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| bubbles wrote on Sat, 20 November 2004 22:36 |
I just fited mine in,)Panhard rod) somehow it eliminated that bump ster, and the stering wheel feels a lot lighter 
it was a 3 week wait from whitline, but it was worth it.
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Now i have seen it all , how does fitting anything to the rear of a car without rear steering , passive or active change the bump steer or steering feel ? 
Back to the question of rubbing , if you have fitted a larger diff to the car eg : f series , hulix , nissan etc , the diff will hit the floor at the start of the tunnel at the rear {5mm of hammering will fix it} or use a yoke 5mm in diameter smaller. This also with happen if the pinion angle has not been corrected , remember the four link increases the pinion angle as the car gets lower due to crappy unequal length arm design . This can also occur with the arm bushes compressing with large amounts of torque if standard rubber is used .
Who the fuck is whitline ?
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sat, 20 November 2004 14:34
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sure adam, my mate fitted stage 2 cams from TODA to his bigport 16V and noty only did he get a power increase, but his rear window demister worked better along with the left hand front indicator blinked twice as fast then the others!!!!
simply amazing stuff
| improvedae86 wrote on Sat, 20 November 2004 23:31 |
| bubbles wrote on Sat, 20 November 2004 22:36 |
I just fited mine in,)Panhard rod) somehow it eliminated that bump ster, and the stering wheel feels a lot lighter
it was a 3 week wait from whitline, but it was worth it.
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Now i have seen it all , how does fitting anything to the rear of a car without rear steering , passive or active change the bump steer or steering feel ?
Back to the question of rubbing , if you have fitted a larger diff to the car eg : f series , hulix , nissan etc , the diff will hit the floor at the start of the tunnel at the rear {5mm of hammering will fix it} or use a yoke 5mm in diameter smaller. This also with happen if the pinion angle has not been corrected , remember the four link increases the pinion angle as the car gets lower due to crappy unequal length arm design . This can also occur with the arm bushes compressing with large amounts of torque if standard rubber is used .
Who the fuck is whitline ?
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Location:
Sydney
Registered:
July 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 06:38
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I recently converted to a supra 5spd, modded tailshaft and JDM disk to disk lsd rear end. maybe a a number of different things that will be lined up when i get some new suspension bits... bushes panhard rod and shoxs..
But yeah it has graduallly sorted itself out... doesnt hit unless underload and over bump at the same time now so im not to fussed about it.
Question how much am i looking at for adjustable shox front and rear? and possibly adjustable strut tops for the front??
thanks for your help guys.
Cheers!
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Location:
Melbourne
Registered:
September 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 07:54
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I have a similar setup to yours however no tailshaft issues. One thing to check tho is if you are using the 2 piece tailshaft it can foul the centre bearing carrier if the spacing has changed. So check the bolts that hold the tail shaft sections together.
HTH,
Denis
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 08:08
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whats the cheapest way to fix pinion angle adam?
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I supported Toymods
Location:
Perth, WA
Registered:
May 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 08:19
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adjustable arms
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 09:32
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anyone know of a source/brand for cheap?
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Location:
Melbourne
Registered:
January 2003
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 10:05
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s13?
thats traction brackets right?
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 10:50
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i have traction brackets being made next week.
garth: s15 acctually.
Adam: ur a fool
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 11:31
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make me some simmo?
wait, your a nisssan diff now right?
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I supported Toymods
Location:
Perth, WA
Registered:
May 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 11:41
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no hes using the old faithful t18
nissan irs rear ends dont use traction brackets
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 12:07
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ahh IRS on a nissan, gotcha
i know nothing about nissans... lol... good....
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 12:55
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yeah im making up a few garth. i will pm u when they are ready.
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Location:
Melbourne
Registered:
January 2003
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Re: Lowered AE86 tailshaft or gearbox rubbing
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Sun, 21 November 2004 21:04
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Simon , are you making the brackets with the arm ach worked out so to not shorten the wheel base of the car , Fool i thought that was your nick name Also you can rework the pinion angle with the traction brackets , so getting rid of two problems at the same time Garth .
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