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05-07-2018, 01:57 AM | #1 |
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soft diff bushes?
something that has bothered since new. I have noticed what I thought was due to the tailshaft flexing winding up and unwinding.... a sort of back and forth surges errr errr errr in second gear on slight acceleration around a sweeping corner.
Something I read made me think it might be due to soft diff bushes? I'd appreciate thoughts people. Note that our car is auto with torsen diff.
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05-07-2018, 02:04 AM | #2 |
extra what?
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Main contributors are the engine mounts and the diff bushings.
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The Following User Says Thank You to Ultramaroon For This Useful Post: | notout86 (05-07-2018) |
05-07-2018, 06:05 AM | #3 |
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Subframe bushings also. Tightened er' up realnice
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05-07-2018, 01:08 PM | #5 |
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I put the whiteline diff bushing inserts in the first summer I had the car, stops a ton of diff movement with minimal increase in noise.
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The Following User Says Thank You to wparsons For This Useful Post: | notout86 (05-07-2018) |
05-07-2018, 07:38 PM | #6 | |
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To achieve what I want and considering I do not want to introduce too much harshness it looks like just replacing one pair of bushes to start might do the trick, and look like something simple. I'll ask Whiteline.
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05-07-2018, 07:49 PM | #7 |
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I think I know exactly what you're talking about as I'm really noticing it now with the summer wheels on. It's like this back and forth pigeon head movement
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05-07-2018, 07:56 PM | #8 |
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That's it. Except it less like clockwork as it has a bit of a springy feel.
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05-07-2018, 08:00 PM | #9 |
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Yes. God it's annoying. So they're saying trans and diff inserts help? Don't wanna splurge on engine mounts
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05-07-2018, 08:33 PM | #10 |
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I really liked the subframe bushings, I liked the diff bushings less, ymmv, maybe if I'd done them in the opposite order I'd feel that the diff bushings were better idfk. There's a balance to stiffening it up, a little stiffer seems to sync the car up to itself, too much and you're back to feeling drivetrain lash imho.
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05-07-2018, 08:50 PM | #11 | |
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I have both and am going to remove the rear diff carrier insert bushings. I'm going to keep the diff bushings in place. I like it a lot but want to see if I can dial it back just a touch. I can always put them back... I'm still amazed at how a couple of bushing can make such a difference :/ |
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The Following User Says Thank You to new2subaru For This Useful Post: | notout86 (05-07-2018) |
05-07-2018, 10:06 PM | #12 | |
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The Following User Says Thank You to notout86 For This Useful Post: | strat61caster (05-08-2018) |
05-07-2018, 10:14 PM | #13 | |
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05-08-2018, 01:14 AM | #14 | |
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Probably any stiffening back there is a positive, but I think you hit diminishing returns as everything gets reinforced and there may be an over-stiff possibility for some people. Eventually I'll try pulling a pair of inserts out of the diff, but there are other things to tinker with in the meantime. |
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