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Here. I'll provide you with some additional help. http://www.aeroquip.cc/ |
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-And please DO be crass when referring to Bumhole of the Bailey. |
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What WAS the result of the valve cover tutorial I earnestly gave you?? You remember-fill step at head/intake juncture, gasket with R/S and Mariachi's home-brew grease-did I overlook your results or are you hoping to skulk away into the night??? Some guys gave their best advice to help you. |
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Eh, it's Halloween. What can I say....other than buy some Aeroquip. |
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Don't worry, I'll post when I get it done and report back if the super-goo grease does the trick. I did decide to say with the felpro blue stripe gaskets by the way. |
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http://cgi.ebay.com/Dow-Corning-1122...item2eac905a72 http://www.neelyindustries.com/image.../1122-397g.jpg |
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Don't look for Marichi. He's on a secret mission for the State Department to drink up all the Mexican beer in Texas and convert it to urine. |
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EL already bought it and is sending it up. No rush for me. Leaking is minimal and driving days are limited. I think it was $8 or something.
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Hey Max ... as a point of reference on filtration levels , our gear pump division ( the old Borg Warner ) said that 25 micron was acceptable for what we called sleeve bearing pumps , or as others may call them , plain or journal bearing pumps . The only time we needed to get into super low micron levels ( 3 micron absolute ) was with piston pump equipment . I haven`t followed the current thinking for a while , but do remember some "discussions" between engineers about filtration levels getting so low that there was the possibility of removing some of the hydraulic oil additives .... but they were talking about 3 microns and finer . Our engines are very similar to hydraulic pump/motors in the bearing concept ... and requirements . I`m very comfortable with 25 micron levels for an engine .
Filtration is somewhat about trade offs . The finer you go , unless you increase the dirt holding capacity ( more filter media area ) the shorter the element life ... to a point . The initial start up is when the system is the dirtiest and when the filter life is the shortest . As the system is run and cleaned up , the element life increases ... until some component starts to fail or contaminant is introduced from outside the engine . As a filter "clogs up" , you do filter smaller particles out , but you also increase pressure drop across the element ... that and also cold start ups , is why there are bypass valves on the filters . As a side note ... we used to make a lot of roller bearing pumps/motors for the mining industry since filtration/maintenance there was horrible . Testing and practical experience showed that the rollers actually crushed the larger particles into "smaller" ones and the pumps lived longer .... which a plain bearing can`t do . This is a VERY basic and brief background on a very complex subject that filter companies have spent a lot of time , money and research on over the years . Thanks for all your work on this subject that a lot of us will .... or should , benefit from !!! Bob |
I looked for a link to filtration and found one on Hydraulic Systems that is a good one. These are the basics in filtration and an engine is similar, but different in the contaminates from the combustion process, IMO. I am no specialist on engine oil systems, but did spend some time in the hydraulics industry.
I have not read all the posts, so if this is redundant then please ignore this post. http://www.hydraulicspneumatics.com/...ydraulicFilter Hopefully the link works. One thing to remember, if oil leaks out, particles (dirt) can ingress into a system. Bypass valves are generally for cold start conditions and if the filter get plugged. Also paper filter are depth type filters and tend to "hold" dirt particles even if bypass is opened for cold start (short time). These are "multi pass" filtration systems, so the oil is filtered many many times per minute. Particle count usually drops as the system runs, unless high wear is present or a lot of dirt is coming in from outside the sealed system (ingression). Lee |
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