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pjq · 09-25-2013, 06:17 AM

04 S
Winter storage will soon be an issue for some of us.
I am finishing an engine rebuild and a LN IMS Upgrade (triple row).

I've read some arcticles on the IMSB and the most recent one by Pedro, again pointing out the fact that the IMSB is always partially lying in oil. The more time the bearing is lying in oil not moving or moves but at low rev's (garage queens) the greater the chance for future problems.
With the sealed bearing lying in your dirty engine oil for extended periods, its only time then the oil seeps past the seal leading to the the future problems we all talk about and fear, IMSB failures.

To the point - For those of us who lay their cars up every year for 5-6 months would it not be advisable to change the oil and filter before lay up but hold back 2 litres/quarts, thereby keeping our bearings free from lying in the oil? Or just drain off 2 litres before lay up to keep the sealed bearing free from the oil? Is 2 litres enough to get the oil level below the bearing?

Off course after lay up top up the oil, bring her up to temperature and drive it like hell, keep the revs up!

With the LN IMS Upgrade, is it a concern if my bearing is lying in engine oil for an extended period not moving?

09-25-2013, 06:17 AM	#1
pjq Registered User Join Date: Dec 2010 Location: Eastern canada Posts: 262	IMSB Seasonal Storage 04 S Winter storage will soon be an issue for some of us. I am finishing an engine rebuild and a LN IMS Upgrade (triple row). I've read some arcticles on the IMSB and the most recent one by Pedro, again pointing out the fact that the IMSB is always partially lying in oil. The more time the bearing is lying in oil not moving or moves but at low rev's (garage queens) the greater the chance for future problems. With the sealed bearing lying in your dirty engine oil for extended periods, its only time then the oil seeps past the seal leading to the the future problems we all talk about and fear, IMSB failures. To the point - For those of us who lay their cars up every year for 5-6 months would it not be advisable to change the oil and filter before lay up but hold back 2 litres/quarts, thereby keeping our bearings free from lying in the oil? Or just drain off 2 litres before lay up to keep the sealed bearing free from the oil? Is 2 litres enough to get the oil level below the bearing? Off course after lay up top up the oil, bring her up to temperature and drive it like hell, keep the revs up! With the LN IMS Upgrade, is it a concern if my bearing is lying in engine oil for an extended period not moving?