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In my 40 when im accelerating the car pulls to the right but when i let completely off the accel again the car shoots off over to the left... i know my tie rod ends and stuff are pretty worn and i need to replace them? could it be that? or is it likely to be somthing else?
Its got standard pws and a detroit locker in the back.
mainly started to happen when i put the diff and the locker in the rear (from memory) its happened for a while but i never really thought anything of it? just dont wanna go spearing off the side of the road heh
pls help
thanks
Andrew
Fj40 '84, 2F. PWS, 2" extended shackles, detroit rear, soon lockrite front. huge 31" tires :( one day some big mothers!
my brother (bad_religion_au) is running a detriot in the rear of his fj40 and has not mentioned anything like this happening since he has got it installed,
but thats not to say its not not the cause of the problem, just an example that doesnt do it with a detroit
sorry thats all i can help you out with...
cheers
Dean
Holden or laxatives? I pick laxatives, at least I'm guaranteed the sh*ts gonna run !!!
parting out mk patrol
http://carl.outerlimits4x4.com/viewtopic.php?p=1043971#1043971
i'd say it's the detroit. mine has done the same thing since i put one in. couple of questions though... are they standard length shackles? are they done up so there's no slop... what condition are your spring bushings in?
45punkbus wrote:my brother (bad_religion_au) is running a detriot in the rear of his fj40 and has not mentioned anything like this happening since he has got it installed,
but thats not to say its not not the cause of the problem, just an example that doesnt do it with a detroit
sorry thats all i can help you out with...
cheers
Dean
mine does this, but i don't bitch about it because it's not too bad... it's kinda fun to take of hard and have the front end skip sideways... freaks the cr@p out ricers
I am running 2" entended shackles from snake racing i have poly bushes in the rear and rubber up front. rubber bushes are probably not in the best state now, and the leafs i have opened all the little bracket things to allow the springs to twist a little giving a bit more flex.
Just wanted to make sure it was not something bad, i think it is just made worse also due to the play in the steering... should fix up the tie rod ends etc. i guess.
police pulled me over the other week because of it (said your all over the road and asked me why, told them old car doesnt like to be on the road, so they breath tested me and then let me go).
thanks
andrew
Fj40 '84, 2F. PWS, 2" extended shackles, detroit rear, soon lockrite front. huge 31" tires :( one day some big mothers!
tukadafoonday wrote:I am running 2" entended shackles from snake racing i have poly bushes in the rear and rubber up front. rubber bushes are probably not in the best state now, and the leafs i have opened all the little bracket things to allow the springs to twist a little giving a bit more flex.
Just wanted to make sure it was not something bad, i think it is just made worse also due to the play in the steering... should fix up the tie rod ends etc. i guess.
police pulled me over the other week because of it (said your all over the road and asked me why, told them old car doesnt like to be on the road, so they breath tested me and then let me go).
thanks
andrew
2 inch extended shackles in the front?
if so your castor might be off, get yourself some castor wedges and give it a go... search here and ih8mud for more info
trust me i had longer shackles in the front and it was wandering and vague, threw in the wedges and it helped heaps
mine is only side to side under heavy accelleration or when i gear back and use the engine compression heavilly.
I totally agree with the Caster Wedge theory, mine was terrible after I fitted my extended shackles. Best to get your 40 on a wheel aligner and see how far its out, then get the right degree wedge to correct it. My shackles where exactly 2 inches longer and put my caster out by 3 degrees. I got a pair of 3 degree wedges from Fulcrum Suspension for under $60 for the pair (alot cheaper than most places). Fixed my problem up straight away.
45punkbus wrote:my brother (bad_religion_au) is running a detriot in the rear of his fj40 and has not mentioned anything like this happening since he has got it installed,
but thats not to say its not not the cause of the problem, just an example that doesnt do it with a detroit
sorry thats all i can help you out with...
cheers
Dean
mine does this, but i don't bitch about it because it's not too bad... it's kinda fun to take of hard and have the front end skip sideways... freaks the cr@p out ricers
i didnt notice it when i drove it...
yet with out the caster correction plate thingo's it was horrible to drive...
Holden or laxatives? I pick laxatives, at least I'm guaranteed the sh*ts gonna run !!!
parting out mk patrol
http://carl.outerlimits4x4.com/viewtopic.php?p=1043971#1043971
45punkbus wrote:my brother (bad_religion_au) is running a detriot in the rear of his fj40 and has not mentioned anything like this happening since he has got it installed,
but thats not to say its not not the cause of the problem, just an example that doesnt do it with a detroit
sorry thats all i can help you out with...
cheers
Dean
mine does this, but i don't bitch about it because it's not too bad... it's kinda fun to take of hard and have the front end skip sideways... freaks the cr@p out ricers
i didnt notice it when i drove it...
yet with out the caster correction plate thingo's it was horrible to drive...
yeah it's only noticble when i give it alot of berries... something you diesel drivers aren't real familiar with
definately get the castor checked at a suspension/ wheel alignment joint, and then get some wedges to suit dude (the front only needs em unless you'r having pinion angle issues in the rear). as 45emobus said, mine was terrible to drive pre castor correction... ask him, i was 99% ready to sell my rig because it was that bad and i was pulling my hair out over it. now i wouldn't sell it for the world
I know that but whats the point of the lift what do you actually gain?
1) Higher center of gravity, ergo more prone to falling over.
2) More clearence to fit bigger tyres? I run 34's without lift, soon to go to 35'S without lift. Though i did have to move the rear axle back an inch and change the front wings for 35,S as well as cut the rears out a little but still no need to lift.
3) Shakle extensions dont give you more Diff clearence only bigger tyers can do that.
4) Steering problems like the above.
I still have plenty of articulation. So Whats the Point
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Last edited by matt.mcinnes on Wed Aug 31, 2005 5:57 pm, edited 1 time in total.
If your 40 has this steering behaviour, consider a broken center spring pin, most likely on the rear left. As you accelerate, the diff shifts backwards making the cruiser drift to the right and as you decelerate, the diff shifts forwards as if you have rear steering, LOL.
45punkbus wrote:i didnt notice it when i drove it...
when you drove what?
Andrew...
You'd be amazed what a steering knuckle kit and set of tie rods will deliver....if your truck has done a good few k's and you have never done it get in there - it's an easy job but man does it make a difference to the old 40s.
for the record I had a lockrite in rear for a while and it used to cause the shorty to shoot left or right, depending on where the torque load was as the truck accelerated. quite an uneasy feeling at times, ya wonder what is wrong with it - the detroits are rumoured to be a little nicer - and at the end of the day you learn to live with it...
good suggestions BUt check your castor first it's cheap
now matt... shackle lifts... i for one don't believe in using them for major lifts, but it helps to have your shackle optimised for your spring length... better travel, alot les likely to invert a shackle.
THanks, all good things to try... my wheel alignment is out anyways so i will get that checked out anyways, and the alignment pins are pretty easy to check so i may also check that.
Now the reason for the extended shackles was that it was a cheap lift, i will take them out when i give it a spring over, now the reason for the extra height is for ramp over... we drive alot of rocks up here and im sick of smashing mufflers and tail shafts and smashing in my sills (making rock sliders this week). the old girl gives good flex now but with a spring over it will be better. just have to drive a little slower on the street and maybe watch the side angles.
Andrew
Fj40 '84, 2F. PWS, 2" extended shackles, detroit rear, soon lockrite front. huge 31" tires :( one day some big mothers!
ddTHanks, all good things to try... my wheel alignment is out anyways so i will get that checked out anyways, and the alignment pins are pretty easy to check so i may also check that.
Now the reason for the extended shackles was that it was a cheap lift, i will take them out when i give it a spring over, now the reason for the extra height is for ramp over... we drive alot of rocks up here and im sick of smashing mufflers and tail shafts and smashing in my sills (making rock sliders this week). the old girl gives good flex now but with a spring over it will be better. just have to drive a little slower on the street and maybe watch the side angles.
Andrew
Fj40 '84, 2F. PWS, 2" extended shackles, detroit rear, soon lockrite front. huge 31" tires :( one day some big mothers!
Thanks for that, I tend more towards speed and winch challenges so keeping it low with max diff hight is more important to me but it all makes sence if your rock hopping. I have no trouble with my exhaust as i had it altered to my own design for maximum protecton but if your running Desiel that may be difficult, petrol 2F in mine.
Regards Matt
tukadafoonday wrote:Yeh, i have to get my muffler moved... i keep smashing it to bits... already got a massive dent in it and its only 1 week old... where do you run it?
Andrew
Follow the White line. All 2.5ins
There may be a few other pics in my members page if you follow the link on my post. Or if you want a few more close ups just ask.
Regards Matt
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Well i have found why i can not run it in the position as i run on gas chassis rail to chassis rail in the rear so the muffler needs to sit under the passenger seat god damn it.
Oh well mayb e i will get a tube rear for it and bring it up out the top like Daz... now how to learn to weld and a pipe bender... hmmmm
Andrew
Fj40 '84, 2F. PWS, 2" extended shackles, detroit rear, soon lockrite front. huge 31" tires :( one day some big mothers!
tukadafoonday wrote:Well i have found why i can not run it in the position as i run on gas chassis rail to chassis rail in the rear so the muffler needs to sit under the passenger seat god damn it.
Oh well mayb e i will get a tube rear for it and bring it up out the top like Daz... now how to learn to weld and a pipe bender... hmmmm
Andrew
Bwahaha....muffler, whats that?
Extd Shackels, they will give u much better flex and if done correctly will increase up and down travel to the max. Plus for every inch you extend your shackels you only gain abou 1/2 inch of lift (when shackels are near 45deg)
shackles sit no where near 45 as they are standard 40 springs.
Height is increased only slightly but its still noticeable.
And the flex is still limited because i keep breaking the truck and have to rep[air other stuff instead of getting new shocks. but i want to go spring over soon... so they can wait.
Fj40 '84, 2F. PWS, 2" extended shackles, detroit rear, soon lockrite front. huge 31" tires :( one day some big mothers!
it's cheap
