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Old 11-01-2015, 12:27 PM   #1
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[QUOTE=boxster;471899]
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Originally Posted by JFP in PA View Post

Yeah like oil starvation from where the DOF takes its supply eh! I dont use the car much,and that's one of my concerns,as it is claimed that "garage queens" tend to suffer from the problem more. Do you know if LN bearings will also suffer with cars not being used much,or will that problem just be with original bearings? My car has 72k miles,so if they last 75k miles,that will be pretty good for me,��
As I mentioned earlier, I am unaware of anyone having any type of issue with the LN dual row under any conditions, high use or garage queens. If you are really concerned, and have the funds for it, LN is going to release a dual row "IMS Solution" kit which replaces the ball bearing IMS with a solid bearing that will outlive the rest of the car.
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Old 11-01-2015, 12:44 PM   #2
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The bearing is immersed in oil when the car is sitting level with the engine off. Change the oil frequently, use good oil, and when you are ready to change the clutch you can worry about the IMS again. As a garage queen, how long will it take for the car to reach 75k more miles? Will you even still have the car then?

JFP, first time I've seen the 75k figure. Where did it come from? Last time I talked to Charles it was his thinking it was even more. It may be he is just being conservative again?
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Old 11-01-2015, 12:59 PM   #3
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Originally Posted by mikefocke View Post
The bearing is immersed in oil when the car is sitting level with the engine off. Change the oil frequently, use good oil, and when you are ready to change the clutch you can worry about the IMS again. As a garage queen, how long will it take for the car to reach 75k more miles? Will you even still have the car then?

JFP, first time I've seen the 75k figure. Where did it come from? Last time I talked to Charles it was his thinking it was even more. It may be he is just being conservative again?
75K was the last published number I have seen from Charles and that was some time ago, perhaps it is even higher now. http://imsretrofit.com/service-intervals/
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Old 11-01-2015, 12:59 PM   #4
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Originally Posted by mikefocke View Post
The bearing is immersed in oil when the car is sitting level with the engine off. Change the oil frequently, use good oil, and when you are ready to change the clutch you can worry about the IMS again. As a garage queen, how long will it take for the car to reach 75k more miles? Will you even still have the car then?

JFP, first time I've seen the 75k figure. Where did it come from? Last time I talked to Charles it was his thinking it was even more. It may be he is just being conservative again?
Exactly,with the amount of road use I do in it, I think I wont live to see another 75k miles in it,lol! So looks like a pretty safe bet!
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Old 11-01-2015, 01:01 PM   #5
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[QUOTE=JFP in PA;471915]
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Originally Posted by boxster View Post

As I mentioned earlier, I am unaware of anyone having any type of issue with the LN dual row under any conditions, high use or garage queens. If you are really concerned, and have the funds for it, LN is going to release a dual row "IMS Solution" kit which replaces the ball bearing IMS with a solid bearing that will outlive the rest of the car.
That would be the perfect solution then for sure. Do you know when they plan to release it?
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Old 11-01-2015, 01:05 PM   #6
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[QUOTE=JFP in PA;471915]
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As I mentioned earlier, I am unaware of anyone having any type of issue with the LN dual row under any conditions, high use or garage queens. If you are really concerned, and have the funds for it, LN is going to release a dual row "IMS Solution" kit which replaces the ball bearing IMS with a solid bearing that will outlive the rest of the car.
Just looked at the"FAQ" section on their website and it says that they do not plan to introduce the ims solution to fit dual row bearings!��
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Old 11-01-2015, 01:31 PM   #7
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[QUOTE=boxster;471921]
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Originally Posted by JFP in PA View Post

Just looked at the"FAQ" section on their website and it says that they do not plan to introduce the ims solution to fit dual row bearings!��
That has changed, Jake Raby commented on it becoming available a month or two ago on a thread here. Jake is already installing them at his shop.
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Old 11-01-2015, 07:54 PM   #8
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The demand for the dual row version of the IMS Solution was finally great enough to make a run of them to be distributed.

Yes, we have been installing them here at Flat 6 for a while now. The site still says they are not available, because they are not outside my facility, YET. Distributors are still getting the pieces in their systems, and they should start getting units into inventory by summer 2016.

The ONLY reason the dual row version was not produced, was demand from distributors who felt the older cars would not be worth the expense. After 3 years of IMS Solution sales, that changed, and the distributors started asking for the units, because they had more demand for it. Newer owners of the older cars have been the driving force behind this.

BTW- All Classic single row IMSBs from LN are a 50K mile product. The Classic Dual row, and the single row pro (dual row that fits in the single row shaft) are both 75K mile items.

The IMS Solution has a lifetime expectancy, as it has only one moving component, eliminating at least 11 other wear components from the IMSB.
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Last edited by Jake Raby; 11-01-2015 at 07:57 PM.
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Old 11-01-2015, 09:12 PM   #9
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Originally Posted by Jake Raby View Post
The demand for the dual row version of the IMS Solution was finally great enough to make a run of them to be distributed.

Yes, we have been installing them here at Flat 6 for a while now. The site still says they are not available, because they are not outside my facility, YET. Distributors are still getting the pieces in their systems, and they should start getting units into inventory by summer 2016.

The ONLY reason the dual row version was not produced, was demand from distributors who felt the older cars would not be worth the expense. After 3 years of IMS Solution sales, that changed, and the distributors started asking for the units, because they had more demand for it. Newer owners of the older cars have been the driving force behind this.

BTW- All Classic single row IMSBs from LN are a 50K mile product. The Classic Dual row, and the single row pro (dual row that fits in the single row shaft) are both 75K mile items.

The IMS Solution has a lifetime expectancy, as it has only one moving component, eliminating at least 11 other wear components from the IMSB.
That's great news to hear. Will I be able to purchase it before summer through you perhaps? I was thinking of upgrading my ims,as I am constantly thinking about it,and I just want to get it over and done tbh.
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Old 11-02-2015, 04:01 AM   #10
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Originally Posted by Jake Raby View Post
The demand for the dual row version of the IMS Solution was finally great enough to make a run of them to be distributed.

Yes, we have been installing them here at Flat 6 for a while now. The site still says they are not available, because they are not outside my facility, YET. Distributors are still getting the pieces in their systems, and they should start getting units into inventory by summer 2016.

The ONLY reason the dual row version was not produced, was demand from distributors who felt the older cars would not be worth the expense. After 3 years of IMS Solution sales, that changed, and the distributors started asking for the units, because they had more demand for it. Newer owners of the older cars have been the driving force behind this.

BTW- All Classic single row IMSBs from LN are a 50K mile product. The Classic Dual row, and the single row pro (dual row that fits in the single row shaft) are both 75K mile items.

The IMS Solution has a lifetime expectancy, as it has only one moving component, eliminating at least 11 other wear components from the IMSB.
On your website it says that its either 75k miles or 6 years for the dual row. As I said before,I dont think ill be doing 75k miles in the car in my lifetime,since u dont use it much! Will it have to be something I will have to change every six years, even though the bearing might have 20 k miles on it? Do the bearings also suffer like the original ones on so called garage queens?
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Old 11-02-2015, 06:57 AM   #11
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I had the dual row in my '99 Boxster changed in 2012 and it has 32K miles on it. I read up on the bearing before having it installed and what was being advertised, at that time, was a recommended change at 50K miles. The statistics, though, indicated ceramic bearings outlasted steel by a 5:1 ratio. What I've never understood, or found an answer for, is what is the starting point for the ratio of 5:1? If my OEM bearing had 84K miles on it and was still in good shape does that mean 420K miles? If it is 5:1 what do I need to change the LN at 50K? Perhaps someone can explain the reasoning.
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Old 11-02-2015, 07:23 AM   #12
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Also,maybe someone can enlighten me regarding my engine. I read somewhere that if you have an x on the engine no,than the engine might have been changed by the factory. My engine number is M96/2065x14718. Does that mean my engine had been changed at one point?
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Old 11-02-2015, 09:52 AM   #13
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I had the dual row in my '99 Boxster changed in 2012 and it has 32K miles on it. I read up on the bearing before having it installed and what was being advertised, at that time, was a recommended change at 50K miles. The statistics, though, indicated ceramic bearings outlasted steel by a 5:1 ratio. What I've never understood, or found an answer for, is what is the starting point for the ratio of 5:1? If my OEM bearing had 84K miles on it and was still in good shape does that mean 420K miles? If it is 5:1 what do I need to change the LN at 50K? Perhaps someone can explain the reasoning.
One word: Caution. LN goes on their experience with the bearings, not pat ratios.
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Old 11-08-2015, 08:51 AM   #14
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Boxster in Malta :
Please keep asking questions. They may seem trivial to the experts and they may get impatient with you .But even Jake has responded to you. The questions you have asked probably have concerned others who were to afraid of the 'responses' to ask.
Because of your questions some interesting facts have emerged - for example who knew about Jake's statistic on oil found/not found in the IMS tube with various bearing & seal arrangements ?
An enquiring mind should be welcomed here.
Thank you for your questions.
Cam plugs - in view of your location, perhaps EBay Germany would be a good source? Part # is 99610421554

Last edited by Gelbster; 11-08-2015 at 08:59 AM.
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