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SW20TT
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2017/03/24 10:47:02 (permalink)
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Need advice on SW20 suspension bushings

Hi guys,
 
I badly need some advice on freshening up the suspension bushings in my SW20.
 
On bumpy roads there is a loose and wriggly feeling in the suspension that is starting to bug me!
 
I will be buying coilovers in due course but until then, I want to know which suspension bushings are vital to replace.
 
Can anyone give me advice on:
1) which bushings would be essential to replace;
2) what brand and where to buy the bushings;
 
If you know a shop that knows MR2s and can supply & fit the parts for me in Sydney that would be great too!
 
Any advice is appreciated. Cheers in advance!
 
#1
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    Eric
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    Re: Need advice on SW20 suspension bushings 2017/03/24 12:18:05 (permalink)
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    Hey SW20TT,

    I bought the complete Prothane polybush kit from the USA, I think it was around $150-180 delivered. 

    I installed them myself by burning out the old bushes, the difference in ride quality and feel was fantastic.



    1990 SW20 Hardtop - Supercharged 2GR-FZE
    #2
    SW20TT
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    Re: Need advice on SW20 suspension bushings 2017/03/24 12:28:21 (permalink)
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    Eric
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    Re: Need advice on SW20 suspension bushings 2017/03/24 14:50:18 (permalink)
    +1 (1)
    Sure is!

    However you need to measure your swaybar diameter and either get them to put different size bushes in the kit or order new ones

    1990 SW20 Hardtop - Supercharged 2GR-FZE
    #4
    Phiz
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    Re: Need advice on SW20 suspension bushings 2017/03/24 16:08:15 (permalink)
    +1 (1)
    Twosrus do a kit, it's what i have in may car. Worth the money, and theres about to be a group buy from them.
    #5
    SW20TT
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    Re: Need advice on SW20 suspension bushings 2017/03/26 15:51:05 (permalink)
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    Thanks for the response guys.
     
    Eric
    Sure is!

    However you need to measure your swaybar diameter and either get them to put different size bushes in the kit or order new ones



    yup you're right Eric. I'll measure the sway bar diameter before I buy the bushing kit.
     
    Phiz
    Twosrus do a kit, it's what i have in may car. Worth the money, and theres about to be a group buy from them.


    Phiz, do you know how much the kit is with the group buy?
     
     
    #6

    Phiz
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    Re: Need advice on SW20 suspension bushings 2017/03/27 07:29:41 (permalink)
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    Can't be much I did buy it well over a year ago. With exchange prices atm will be 110 AUD + shipping or so
    #7
    P E T E
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    Re: Need advice on SW20 suspension bushings 2017/03/27 09:56:54 (permalink)
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    I have the Prothane Sway bar bushings - still brand new which I'm happy to sell you.
     
    I bought the whole kit not realising that my sway bars were larger than standard.
     
    Located in WA and happy to post, just flick me a PM.

    > P E T E <
    #8
    SW20TT
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    Re: Need advice on SW20 suspension bushings 2017/03/28 09:30:14 (permalink)
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    Thanks for the offer PETE but I am after the full kit.
     
    Quick question for all you guys who've replaced the sway bar bushings, my sway bars measured up 18mm in diameter front&back but the kits I've seen on ebay and amazon say 19mm sway bar bushings. Should I be getting exact 18mm sway bar bushings or is it supposed to be 1mm larger?
     
    Your feed back is much appreciated :)
    #9
    Reddtarga
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    Re: Need advice on SW20 suspension bushings 2017/03/28 10:19:03 (permalink)
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    I believe the diameter of the pre '92 bars are 18 mm F/R, while the post '92 ones are 19 mm F/R.
    You need the right ones, and 19 mm will be too large in your case.

    1990 ADM NA
     
     
     
     
     
     
    #10
    SW20TT
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    Re: Need advice on SW20 suspension bushings 2017/03/28 11:10:07 (permalink)
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    Reddtarga
    I believe the diameter of the pre '92 bars are 18 mm F/R, while the post '92 ones are 19 mm F/R.
    You need the right ones, and 19 mm will be too large in your case.


    Thanks for confirming Reddtarga. Hopefully the seller on Amazon can switch the swaybar bushings in the kit to 18mm.  
    #11
    TwoDogs
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    Re: Need advice on SW20 suspension bushings 2017/04/18 13:43:08 (permalink)
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    Phiz
     and theres about to be a group buy from them.


     I'm in. Who is organising the group buy ?
    #12
    SW20TT
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    Re: Need advice on SW20 suspension bushings 2017/04/19 10:23:24 (permalink)
    +1 (1)
    The group buy is in the thread named 'Ordering Mr2 parts' but its taking a while.. Are you from Sydney?
    We could probably just arrange one for ourselves for the prothane suspension bushings kit if you're keen..
    #13
    TwoDogs
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    Re: Need advice on SW20 suspension bushings 2017/04/19 11:54:44 (permalink)
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    Hi SW20TT,  yes I'm at Berowra. Have been slowly working on a 91 Turbo with my son, who just passed his test yesterday so the car is all mine for the next 3 years - yay! anyway recently I noticed steering wheel shake under brakes, sometimes a little less, not under brakes, and when I looked at rotors, one had a little runout. At the same time I had been wondering that steering seemed a little vague. Then 2 days ago, I noticed while my son was braking down a hill that the shake was quite violent, so I'm suspecting more than just disk runout. Also the wheel shakes a little on the m1 and since the tyres were recently replaced and balanced, I think the concrete sections of the M1 have grooves scored into them, to deal with puddling of rain water. So I am suspecting at least 1 control arm bushing to be root cause of all the above ?? Maybe other things contributing also.
     This morning with the car off the ground, we checked the ball joints, using a length of timber and there was no movement, which surprised me. I am still learning how to check all the suspension & steering components. 
     So this morning I rang a friend who runs a 4x wheel drive business and asked if his guys could get the car up on the hoist and test everything - and let me know what I need to replace. It's booked in for May1. If I need several bushings then I might do the lot and I will get back to you to see about saving some $$.
    #14
    Reddtarga
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    Re: Need advice on SW20 suspension bushings 2017/04/19 18:38:07 (permalink) ☄ Helpfulby TwoDogs 2017/04/29 21:13:35
    +1 (1)
    Steering shake under braking or otherwise is a real PITA.
     
    Youve checked the ball joints.
    Other things to check on the front:
    Tie rod ends, inner and outer. Wheel bearings. Uneven rotor wear. Hub runout, and of course wheel alignment.
     
    If aftermarket wheels are fitted, hub rings are needed to center the wheel on the hub spigot as well as for safety. Plastic ones distort with the brake heat so metal ones are best. (Sometimes, without them you'll never get rid of wheel shake).
     
    A clock gauge with magnetic base is a good investment to check hub runout, as well as rotor runout. I found that even brand new rotors can still have runout, but this can often be fixed or reduced by indexing. (swapping their position on the wheel studs). You can even index the wheels this way too if you are that keen.
     
    Just one more thing with alloy wheels; always tighten the wheel studs using a torque wrench with a 'star' tightening sequence. I use about 80 ft/lb
     
    Good luck with it.

    1990 ADM NA
     
     
     
     
     
     
    #15
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