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Old 07-27-2014, 12:16 PM   #1
brasstacks
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Default 1998 impreza w. 200+K miles. Bushings upgrade?

Looking to refresh the feeling on my gf8. It's got over 250k on the body and was thinking about replacing some bushings. This is my dd and I rarely track the car. I can stand a little more nvh, but not much. My tie rods are gone so I already purchased the white line Roll Center Kit. I have front shifter bushings. And I'm planning to get steering rack bushing (i hear there is minimal nvh with this upgrade).

What bushings (stock, group N, or urethane) will make the biggest difference in an old car like this, with minimal increase in noise.
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Old 07-27-2014, 04:10 PM   #2
mhoerath
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at 250k your bushes are toast. Choice of bushes depend on your goals. And here are my favs...sways, front top hats, rear subframe, rear diff, ALK, trailing arms, lateral links, shifter.

IMHO ratings as follows:

Stock - least NVH, least suspension/steering feedback and response

Group N - middle of each. Some say Group N are the best, depending on what bush.

Urethane - most NVH, most suspension/steering feedback and response.
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Old 07-27-2014, 04:27 PM   #3
Bikelok
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I'll add that the Group-N are probably the best bet for a DD, but some of them are VERY VERY difficult to install without the proper tools.

One of the major pluses for poly (especially the split ones) are the incredible ease of installation.

Search the pros and cons for yourself to see which way is best for you.

Oh and YES, YES, YES, change as many bushings as you can. You will feel like you are in a new car. As was stated above Group-N front strut tops are AWESOME!!!!

It's loads of work, but really worth the trouble.


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Old 07-28-2014, 05:25 PM   #4
brasstacks
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what bushings locations are the simplest to install that have the biggest impact in feel, but lowest impact in NVH.
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Old 07-29-2014, 01:14 AM   #5
Patrick Olsen
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Rear lateral links and the trailing arm bushing in the rear knuckle were probably the most noticeable bushings I've ever replaced. If you go with the poly bushings those are all quite easy to replace.
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