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Location: Brisbane, Queensland
Registered: February 2003
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Setting up an AE86 Sprinter - advice please.
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Thu, 11 September 2003 02:25
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I have a bit of an ill handling Sprinter, which I would like to sort out. The car is almost never used as a road car, but must remain road registered. I use it for sprints, hillclimbs, motorkanas and tarmac rallies. I need it to be quick on the track and also quick on a reasonably bumpy road. At the moment, it laps QR sprint circuit in the low 64's on crap tyres. I am reasonably happy with that and it feels fairly good, with the exception of the lack of grip. On the road, it is terrible. It bump steers, bounces, understeers, oversteers and basically handles like a turd.
It is running big sway bars at the front and rear. I think this may be most of the problem. The dampers are Koni reds and the springs are an unknown rate. I suspect the Konis are rooted also. I am changing the tyres from 195/50/15 to 205/50/15 R spec. I will need some negative camber I imagine.
Can people with current or past experience in setting these cars up, please offer me advice on exactly how and what they would do to make it a good compromise for the road and track.
Cheers,
Cal.
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Banned user
Location: ADELAIDE - The Drift City
Registered: July 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Thu, 11 September 2003 06:33

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As i said..
Fit 40 mm RCA's to the front
Fit traction brackets to the rear
that will cure a lot of the said problems
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Location: Brisbane, Queensland
Registered: February 2003
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 02:46

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Wow, what an overwhelming response! Thought you blokes knew about Toyotas?
Thanks Simon.
Cal.
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Location: Sydney
Registered: May 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 03:02

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have you fitted an adjustable (or at least a resized) lateral rod/panhard rod? i remember having a lot more problems before i fitted it, as after being lowered for so long with the stock lateral rod, the rear upper control arms were bent & nearly all the bushes in the rear suspension worn worn to shite. that could have a hell of a lot to do with excessive bump-steer & poor traction/handling. (it did in my case at least)
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Banned user
Location: ADELAIDE - The Drift City
Registered: July 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 03:19

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the panhand rod replacement is a fallacy. Its only needed if you lower it 1.5 inchs or something wussy from stock.
if you really lower it the rod resets it self to the oem postion mine is low at rear (3 inches lower then stock) and i have OEM panhandrod and diff is centered and i dont have any issues.
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I supported Toymods
Location: sydney.au
Registered: August 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 03:28

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an aftermarket adjustable panhard rod and rca's will fix the stability
change all the bushings and get some new tyres
change the springs to progressive wound ones and check your shocks out to make sure they aint fuxored
apart from that all i can say is maybe remove the swaybars? they will stress the other parts out too much if they are ultra hard and everythign else is soft and mushy or old
if your getting a "skipping" effect across tarmac under braking or power turn-in then id say this is causing the issues
the anti roll (sway) bars work to make the car reduce roll in cornering by acting as a "join" between the shocks to compress both sides not just one so its a "flatter" turn
obviously the outer wheel is going to be stressed more and if it cant cope (ie too soft) it will feed un-responsive and sketchy
at least thats what i thought 
hope it helps
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Banned user
Location: ADELAIDE - The Drift City
Registered: July 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 03:31

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dont waste your cash on the adjustable rod!
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Location: ACT
Registered: May 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 03:41

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Can someone please tell me what RCA's and traction brackets are?
thanx in advance
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Location: Sydney
Registered: May 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 04:47

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Simon-MrRx7 wrote on Wed, 17 September 2003 13:19 | the panhand rod replacement is a fallacy. Its only needed if you lower it 1.5 inchs or something wussy from stock.
if you really lower it the rod resets it self to the oem postion mine is low at rear (3 inches lower then stock) and i have OEM panhandrod and diff is centered and i dont have any issues.
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its true! i swear to god Simon! 
virtually all the rubber bushes in the rear end were hashed & the two upper control arms were bent! also if you measured the distance between the guard & the rim, it was different on both sides as a result of the lateral rod being the wrong size... and my car was lower than 1.5" under stadard (more like 2.5")
what else wouldve caused the bushes to chew themselves out over time & the control arms to bend? (besides hitting a gutter or three! )
i agree that if your lateral rod isnt throwing your diff out of centre, then it'd be a waste of money, but in my case it was definately contributing to problems with the cars handling.
maybe an isolated case in my circumstances, i dunno... *shrugs*
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Location: Sydney
Registered: May 2002
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Banned user
Location: ADELAIDE - The Drift City
Registered: July 2002
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Re: Setting up an AE86 Sprinter - advice please.
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Wed, 17 September 2003 05:16
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i'd say that the stufed bushes and bent arms were causing ur prob and your new rod fixed it
click here for the answers on RCA's and traction brackets.
http://board.performanceforums.com/forums/showthre ad.php?s=&threadid=67160991
Mr 20Valve wrote on Wed, 17 September 2003 14:47 |
Simon-MrRx7 wrote on Wed, 17 September 2003 13:19 | the panhand rod replacement is a fallacy. Its only needed if you lower it 1.5 inchs or something wussy from stock.
if you really lower it the rod resets it self to the oem postion mine is low at rear (3 inches lower then stock) and i have OEM panhandrod and diff is centered and i dont have any issues.
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its true! i swear to god Simon! 
virtually all the rubber bushes in the rear end were hashed & the two upper control arms were bent! also if you measured the distance between the guard & the rim, it was different on both sides as a result of the lateral rod being the wrong size... and my car was lower than 1.5" under stadard (more like 2.5")
what else wouldve caused the bushes to chew themselves out over time & the control arms to bend? (besides hitting a gutter or three! )
i agree that if your lateral rod isnt throwing your diff out of centre, then it'd be a waste of money, but in my case it was definately contributing to problems with the cars handling.
maybe an isolated case in my circumstances, i dunno... *shrugs*
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