LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

polyurethane parts

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Old 07-20-13, 07:46 AM
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jdmsupra
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Default polyurethane parts

I want order the polyurethane kit for my 96 Ls. TM motorsports only carry the polyurethane kit for 90-94.. so my question is will the polyurethane control arm kit and rear sway bar kit work on my Ls?
Old 07-20-13, 10:41 AM
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PureDrifter
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no.

TM has a very unloved relationship on CL, they have a history of going MIA in the middle of your order. Google their reviews.
Old 07-20-13, 10:48 AM
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LScowboyLS
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another problem is that polyurethane is not a good match for LS400 - search this forum and you will notice that people who deviate from the factory bushing material are regretting it later!
Old 07-20-13, 11:02 AM
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RA40
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TM Engineering?

This is on the top of the web page currently:

Daizen Sport Tuning parts orders placed prior to May 22, 2013 will be refunded shortly. We have had an ongoing issue with the manufacturer which was supposed to be handling these orders directly. We will contact any affected customers if necessary, we apologize for any inconvenience.
Old 07-20-13, 02:26 PM
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billydpowe
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take the word POLYURETHANE out of your vocabulary until you sell your LS....

terrible mismatch.
Old 07-20-13, 08:45 PM
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nismo4life
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is there anyone else that would sell Poly bushings for the LS, or any other Toyota which shares some of the same suspension components?

Before you attack me at the throat, my LS has a 5spd swap, welded diff, and is being used to drift. If I clutch kit it the rear end feels like its going to rip out of the car.
Old 07-21-13, 05:36 AM
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mikes7ke
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Originally Posted by nismo4life
is there anyone else that would sell Poly bushings for the LS, or any other Toyota which shares some of the same suspension components?

Before you attack me at the throat, my LS has a 5spd swap, welded diff, and is being used to drift. If I clutch kit it the rear end feels like its going to rip out of the car.
+1 Not everyone gets these things to sip coffee while driving. I'm also wondering where I can get polyurethane bushings. And that's all I want to know, not what the general consensus is of how it changes the ride.
Old 07-21-13, 09:54 AM
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SuicidnS13
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On VIPSTYLECAR forums everyone has done poly bushings LOL. I mean we are all slammed on coils or bags so I guess riding around smoothly on fat oem sized tires was never our end goal. But the majority of LS owners do not build a car like we do. I would also prefer a smoother ride on a stock like or more functional looking LS.
Old 07-21-13, 07:32 PM
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nismo4life
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If the only options are seriously overpriced bushings from the UK, then I'm going to start looking into making my own. At least start out simple with the FUCA bushings and go from there. Those are simple and don't require too much work. If it works out well, then I'm definitely making my own diff carrier bushings for sure, though its going to suck removing the subframe for that lol.

Edit:

All I could find.

http://shopfigs.com/v1/index.php?rou...product_id=102 Still pricey...

Last edited by nismo4life; 07-21-13 at 07:42 PM.
Old 08-29-13, 06:56 AM
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Twista4004
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So, is the problem with Polyurethane bushings that it firms suspension to the point of it no longer being smooth or is there some mechanical/functional downfall? Just curious to know WHY people here don't like poly stuff.
Old 08-29-13, 07:18 AM
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nismo4life
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Originally Posted by Twista4004
So, is the problem with Polyurethane bushings that it firms suspension to the point of it no longer being smooth or is there some mechanical/functional downfall? Just curious to know WHY people here don't like poly stuff.
Polyurethane is stiffer than traditional rubber so it doesn't absorb vibrations, and bumps on the road which now get transferred throughout the car and into the cabin. They can add NVH (Noise, Vibration and Harshness) to the vehicles ride.
Old 08-29-13, 09:23 AM
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Ok so it's not from a mechanical issue standpoint. Great to know.
Old 08-29-13, 11:01 AM
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mostly.

the front strut rod bushings are loaded in a way that makes them mostly unsuitable for polyurethane. they will both ruin the ride and never, ever stop squeaking.

the rest of the bushings just aren't ideal from an NVH perspective. Though poly sway bar bushings and rear carrier arm bushings are always recco'd.
Old 08-29-13, 11:59 AM
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Awesome. My LS wafts like a boat on the highway. It's just short of terrifying at 120 mph and unsettling at any other speed.
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