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Just picked up the Nov issue of Excellence magazine and read the article on IMS issues and the law suit with Porsche.Interesting to note the editors state that the best fix for 06 thru 08 boxsters and 911,s with IMSB is to just pull the trans,flywheel,clutch ect and remove the bearing seal and let the oil from the engine lubricate the bearing rather than wait for the lifetime grease to possibly wash out . I really love this mag and respect the info they offer.Are they engineers,builders,Don,t know but theres lots of ads in there mag this month on IMS fixes from many suppliers with different theorys BUT they don,t recommend any,just to pull the seal.
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Exactly. This is the same thing that we are recommending and it seems to be more than adequate.
The larger M97 diameter IMSB has more load carrying capacity and is proving to be very resilient to lower speed performance in comparison to the M96 diameter bearing. This is the big difference as the surface speeds of the bearings is one of the main issues and the larger IMSB becomes unloaded at a lower engine speed than the M96 bearing diameter does.
Charles and I see no reason to provide fixes for the M97 IMSB, because the small amounts of failures that we see are immeasurable. We have made sure that our patents cover the M97 series engines and while we have already developed the components for them, we have no desire to offer them. We even have a version of the IMS Solution that can be retrofitted to the M97.
If I had an M97 car I'd pull the seal, use JGR DT40 engine oil, install a Spin On filter adaptor (to keep the oil free of debris and therefore keep the seal-less IMSB debris free) and change the oil every 6 months/ 5K miles. Then just drive it. You won't fine me making that statement for any M96 IMSB car.