03-24-2017, 03:03 PM
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#1
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Registered User
Join Date: Nov 2015
Location: Bracebridge, Ontario
Posts: 256
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LN Eng IMS Bearing Question
Evening Guys
I'm considering purchasing the LN Engineering IMS retro fit single row bearing.
My question is I don't see how it keeps the oil in?
On the factory IMS it has an "O" ring on the center stem which the flange goes over
to keep the oil in.
This makes sense to me.
But I don't see how the LN bearing achieves this.
I look at pictures on line and it does not show how it does this.
Does it have a groove cut on the inside on the flange (for an "O" ring) where it slides
over the center stem? (in reverse of the OEM system)
I just like to know how things work before I drop a bunch of cash.
Thanks
Bart
__________________
My Beast 2004 Boxster SE #0174
- 3.8 with all the internal goodies, Under-mount Pulley, IPD Plenum, 996 Intake, Softronic Tune, 987 Factory Sport Exhaust, skid plates, IMS solution, Ohlins R&T, RSS Toe Links, Camber Plates, Michelin Pilot Super Sport on all 4 corners, Alpine Double Din c/w new speakers & amps.
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03-24-2017, 03:30 PM
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#2
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,584
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Quote:
Originally Posted by Muskoka Minute
Evening Guys
I'm considering purchasing the LN Engineering IMS retro fit single row bearing.
My question is I don't see how it keeps the oil in?
On the factory IMS it has an "O" ring on the center stem which the flange goes over
to keep the oil in.
This makes sense to me.
But I don't see how the LN bearing achieves this.
I look at pictures on line and it does not show how it does this.
Does it have a groove cut on the inside on the flange (for an "O" ring) where it slides
over the center stem? (in reverse of the OEM system)
I just like to know how things work before I drop a bunch of cash.
Thanks
Bart
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The LN bearing uses an o=ring on the center bolt, but no undercut as that was a weakness in the factory bolt that led to many failures:
And the design does work, we have not had one leak yet.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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03-24-2017, 06:08 PM
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#3
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Registered User
Join Date: Nov 2015
Location: Bracebridge, Ontario
Posts: 256
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So where does the "O" ring sit?
Between the flange and the bottom of the stem?
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03-25-2017, 06:16 AM
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#4
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Registered User
Join Date: Nov 2015
Location: Bracebridge, Ontario
Posts: 256
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OK I figured it out.
Where the flange sits at the bottom of the stem it has a chamfer cut into it where the "O" ring site.
Now that makes sense..
Cheers!
__________________
My Beast 2004 Boxster SE #0174
- 3.8 with all the internal goodies, Under-mount Pulley, IPD Plenum, 996 Intake, Softronic Tune, 987 Factory Sport Exhaust, skid plates, IMS solution, Ohlins R&T, RSS Toe Links, Camber Plates, Michelin Pilot Super Sport on all 4 corners, Alpine Double Din c/w new speakers & amps.
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03-25-2017, 09:52 AM
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#5
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,584
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Quote:
Originally Posted by Muskoka Minute
OK I figured it out.
Where the flange sits at the bottom of the stem it has a chamfer cut into it where the "O" ring site.
Now that makes sense..
Cheers!
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Correct. The factory center bolt tend to snap right at the under cut for the O-ring, so LN used a larger bolt without the grove to prevent that.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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03-25-2017, 10:28 AM
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#6
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Registered User
Join Date: Jun 2008
Location: Illinois
Posts: 147
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Quote:
Originally Posted by Muskoka Minute
OK I figured it out.
Where the flange sits at the bottom of the stem it has a chamfer cut into it where the "O" ring site.
Now that makes sense..
Cheers!
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There is also an o-ring in the i.d. of the flange bore which seals on the stem of the IMS center bolt.
Our design has dual seals.
__________________
Charles Navarro
President, LN Engineering and Bilt Racing Service
http://www.LNengineering.com
Home of Nickies, IMS Retrofit, and IMS Solution
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