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From what I've come to understand, FM's decrease the friction of flow within the oil itself, giving rise to this question. Now that I've brought this up, I feel I'm forgetting something in how it might serve through the phases of lubrication, like mixed film. Clarification greatly...

I am curious if any engine manufacturers are utilizing thermal barrier coatings for piston faces, cylinder head domes and/or valve surfaces? I do understand there can be NOx issues due to maintaining heat within the combustion chamber gasses which go towards maintaining a higher temperature...

This might not be the right location for this post, but seeing as it's likely to be viewed more here.... I'm curious as to the bearing clearances on the 2-cycle diesel varieties that recommend the use of a 40wt oil. Over what temperature ranges would such be recommended for said engines, and...

I'm looking ahead at replacing all seals on my FWD volvo 850, as I just can't get rid of the rear main leak, and have noticed many other seals weeping. Start-up lifter tick (tried filters w/different ADBV materials to no avail), is also said to be related to failing o-rings that seal the lower...

I was at the bank yesterday and thought I heard that Nissan might be teaming up with another manufacture to provide NEW and low cost vehicles on the news monitor. I would agree they are likely more than bare bones models, perhaps a scooter with two too many wheels and likely to never resemble...

I found this link in another forum and thought I would share it. First time I've been able to witness the action. http://video.google.com/videoplay?docid=-5815350492893860613&hl=en Take care.

In reflection of self, I have come to sense that I;m not as "throttled" as I once was will all things lubricant/filter, and was curious if others have come to sense the same? Don't get me wrong, I'm still into gaining insight and expanding my knowledge on the subjects and the tech. for which...

Anyone have any experience with combined filters - full flow + fine/bypass? I was thinking of the "venturi"(sp) or something from Fleetguard. I know there was another mentioned a year or two ago that was able to be taken apart for changing/inspection, and some would roll there own fine filter...

Has anyone besides myself found themselves cleaning the thread area of what appears to be glue/metal slivers? Using the shop vac for a few seconds takes care of this. Having taken apart some new filters, the rest of the construction appears clean, so it just appears to be localized in this area...

I've been amusing the idea of purchasing a new, faster mower to use for the family's lawn as well as some other's in the neighborhood. The lawns are individually under an acre each, with currently 5-6 that are cut each week unless weather conditions/growth dictate otherwise of course. This is in...

I was just curious if anyone has/is using the blotter test to decide to continue to use or change the oil, besides other seasonal factors such as oil viscosity relative to coming changes in ambient temperatures? And if so, over how many miles or hours has this been done, and to what degree of...

If I've missed a discussion that speaks of wear element sources induced from cold start situations, sorry for the topic duplication. During a walk today I pondered just what areas would mostly be impacted during cold start/warm-up. I pondered plain bearings (mains and connecting rod), be them...

I have't fully come around to justifying the expense of UOA's. I've read about blotter testing some months back and have been making some observations on my own vehicle. I even tested one of my friends toy. trucks that has seen better care when I changed the oil for him, and from what I saw...

They even mention BITOG..Hehe. http://106rallye.co.uk/newforum/showthread.php?t=3790

Upon waking early this morning, the thought ocurred to me as to a design concept that works very much like that of a liquid cooled engine's cooling system. An external radiator wouldn't be neccessary unless increased heat rejection would be needed. The idea is to have the system function as if...

I was curious to know if those around here that might utilize such a system, has noticed any changes in wear trends (UOA's, other)? Any other issues concerning such systems - especially with the use of regular windshield washer fluid? Helping to prevent heat soaking of the combustion...

It's been about two weeks now since I've noticed this sound on my wagon - '95 850 volvo. It's most frequant when turning the wheel at a stand still, and then less to non-existant when doing so as I start to drive. Another way to imagine the sound is like that of a door whose hinges need oiling...

I could be mistaken, but I thought some here were using the conversion that 1% = 1,000ppm, not 10,000ppm w/o contest.?.

I just finished a personal "junk yard war"-like project, turning an old 2-cycle engine and changed-out 1/3hp furnace air circulator motor into an air compressor. I was curious as to what kinds of things others have or think about doing in there spare time in "the shop" or even just around the...

In my case is a Mann W917 I'm using on my wagon. I like the build quality and what appears to be great quality control from the view after taking a new one apart. A question that lingers compared to many market equals, is the filter's effectiveness/ratings. Also, could the filter stand 6k/1yr...