Transmission & Drivetrain Gearboxes, Differentials, Clutches

Usdm Type R tranny, LSD jerky through turns

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Old Jun 3, 2010 | 09:41 PM
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Shimakid12's Avatar
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Default Usdm ITR tranny LSD notchy in turns. Chattery Comp Clutch, stage 4.

I just installed my type R tranny, which I'm pretty sure still has the stock Limited slip diff. This is my first tranny with a LSD, and I'm just curious about how it's supposed to feel through turns. Going straight its completely fine, but when I'm going slow through a turn, like a right angle turn in second and I'm giving it a bit of gas, it feels a tad bit jerky. It's not crazy, but it's there enough for me to notice. I'm just wondering if this is kind of a common thing or if something may be wrong. It kind of reminds me of when you have a truck in 4 wheel on dry pavement and your trying to make a sharper turn while giving it gas, it feels jerky because all of the wheels are rotating separately. Any feedback on this would be greatly appreciated.

Also, while I'm making a thread. I just installed a competeion clutch stage 4, 6 pad sprung. It's quite chattery. More so then I expected. It could just be that I'm not yet used to it, but I've felt performance clutches before and this is definitely the most chattery, when I've read and was told that Competetion Clutch is pretty driveable as far as engagement ease when compared to most other companies. Is this something that could possibly get better once it's broken in, because it's still a brand new clutch? Thanks.

Last edited by Shimakid12; Jun 6, 2010 at 12:23 PM.
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Old Jun 4, 2010 | 10:21 AM
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Default Re: Usdm Type R tranny, LSD jerky through turns

most likely its just the chatter in the clutch that is overwhelming the trans to do what your experiencing.
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Old Jun 4, 2010 | 06:27 PM
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Default Re: Usdm Type R tranny, LSD jerky through turns

Originally Posted by sh!ft
most likely its just the chatter in the clutch that is overwhelming the trans to do what your experiencing.
That's actually exactly what I was thinking about today, because if the clutch is causing the whole car to react to the chatter, I can only imagine the stress/reacting it's causing the tranny to experience. I'm starting to have second thoughts about this clutch, although it's no where near broken in. I'm not even sure if it will get better, or worse though. I was convinced that the chatter would be a minimum with this clutch, when compared to some other choices. So the slight jerky-ness through turns is not a normal thing IF related to the Limited Slip?

Thanks for your input.
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Old Jun 4, 2010 | 07:50 PM
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Default Re: Usdm Type R tranny, LSD jerky through turns

I dunno if I speak for the rest of the general honda-tech trans gurus but id suggest trying a stock diff 1st and then see if there is any difference. If not then you know where your problem lays
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Old Jun 5, 2010 | 07:21 AM
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Default Re: Usdm Type R tranny, LSD jerky through turns

A helical LSD can feel a bit notchy in turns compared to an open diff or clutch type LSD. This is due to the gears turning in the LSD when the outer wheel is moving faster the the inside wheel.
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Old Jun 6, 2010 | 12:22 PM
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Default Re: Usdm Type R tranny, LSD jerky through turns

This is kind of what I was wondering. Like I said, it's not bad really, just faintly noticeable and had me wondering. This is good info to know though, thank you for your reply.

I know this isn't exactly related to my title but since I asked about it in the first post I'll follow up. The clutch is getting a bit better I think, I've got about 10 miles on it now. Haha, I haven't been driving the car as much as I'd like to after the tranny swap. I hope that it continues to get better and stays better. The pedal pressure is better then I expected for a stage 4, and it definitely grabs good (probably why the chatter is so prominent). All in all, first impression, I'm happy with the Competion clutch other then the excessive chatter for a daily.
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