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Topic: Dry sump

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	Technical Description - Dry Sump Systems
		Aside from the size of the pan, and necessity of a deep sump, the oil is subjected to extreme cornering forces in racing, and the oil simply “crawls” up the sides of the pan and away from the pick-up.
		The dry sump pump is usually driven by a Gilmer or HTD timing belt and pulleys, off the front of the crankshaft, at approximately one half crank speed.
		All in all, the dry sump system came out of necessity to maintain oil pressure, and evolved into a very sophisticated system which increases reliability as well as horsepower while allowing the engines to be mounted with the lowest center of gravity.
	www.drysump.com /drysump.htm (596 words)

	Dry sump - Wikipedia, the free encyclopedia
		A dry sump is a lubricating oil management method for four-stroke and large two-stroke piston internal combustion engines that uses a secondary reservoir for oil, as compared to a conventional wet sump system.
		In most production cars, which use a wet sump system, this oil is simply collected in a three to seven litre capacity pan at the base of the engine, known as the oil pan where it is pumped back up to the bearings by the oil pump, internal to the engine.
		In a dry sump, the oil still falls to the base of the engine, but rather than being collected into an oil pan, it is pumped into another reservoir by one or more scavenger pumps, run by belts from the front or back of the crankshaft.
	en.wikipedia.org /wiki/Dry_sump (409 words)

	Kevko Racing Oil Pans and Components - Dry Sump Chevrolet Oil Pans - Kevko Racing Oil Pans and Components, kevko racing ...
		Dry Sump Pan with trough, 5 1/2" deep, 2 - #12 exits, with removable windage screen, scraper and inspection plug.
		Dry sump pan with right side pouch, 6 1/4" deep, windage screen and inspection plug.
		Dry sump pan with right side pouch and left side exit.
	www.kevko.net /drysump_chevy.htm (168 words)

	Small Block Chevy Power Dry Sump Pans
		In a nutshell, the difference between a wet sump system and a dry sump system is where the oil is stored.
		The average dry sump set-up has the ability to scavenge 2 to 4 times the volume that it pumps into the engine.
		Dry sump systems also offer a more stable supply of oil in all conditions since there isn’t a rapidly spinning crankshaft located right above the oil.
	www.cantonracingproducts.com /pans/dry_sump/sbc_power_pans.html (612 words)

	Sump (Site not responding. Last check: )
		A sump may be plumbed into your system in such a way that the water level in the tank remains constant while the water level in the sump lowers with evaporation and raises with the addition of fresh water.
		Many aquarists design their sumps to be used as a trickle filter, an algal filter, or a refugium, as well as simply holding water and equipment.
		The drain from the aquarium into the sump should always be located as far as possible from where the water is being removed from the sump and returned to the aquarium.
	www.reef-aquarium.net /resources/equipment/sump.html (3668 words)

	Dry sumps (Andy Dingley) (Site not responding. Last check: )
		From: dingbat@codesmiths.com (Andy Dingley) Newsgroups: rec.autos.tech Subject: Re: Dry Sump Date: Fri, 28 Jun 1996 14:15:56 GMT The moving finger of mflynn@pacificnet.net (Mike Flynn) having written: >I have encountered the fact >that the 911 uses a dry sump lubrication system.
		As the oil pan or sump doesn't hold the reservoir of oil, it's "dry" (although still rather oily, as oil is still passing through it).
		Dry sumps are better than wet sumps for performance, but they're more complex.
	yarchive.net /car/dry_sump.html (557 words)

	Dan's Motorcycle Four Stroke Oil Pump Lubrication
		Wet Sump engines use an oil pan (sump) to store the oil at the bottom of the engine and use an oil pump to pump the oil to where it is needed in the engine.
		Dry Sump engines carry their oil in an oil tank that is separate from the engine.
		Dry Sump engines tend to back flow oil into the lower part of the engine when they sit for long periods of time.
	www.dansmc.com /4_stroke_oilpump.htm (1191 words)

	Howstuffworks "Why do some engines use a dry sump oil system?"
		In a wet sump, the oil pump sucks oil from the bottom of the oil pan through a tube, and then pumps it to the rest of the engine.
		There are at least two oil pumps in a dry sump -- one pulls oil from the sump and sends it to the tank, and the other takes oil from the tank and sends it to lubricate the engine.
		Because a dry sump does not need to have an oil pan big enough to hold the oil under the engine, the main mass of the engine can be placed lower in the vehicle.
	auto.howstuffworks.com /question331.htm (445 words)

	Internal combustion engine with dry sump lubrication - Patent 4119178
		Another object of the present invention resides in an internal combustion engine with a dry sump lubrication in which serious damage in the engine due to failure in the lubrication system of the engine is avoided by simple means.
		Still a further object of the present invention resides in an internal combustion engine with a dry sump lubrication, in which the possibility of sucking-in air out of the oil sump by the oil pump in case of leakage at the oil discharge bolt is avoided by simple means.
		Still another object of the present invention resides in an internal combustion engine with dry sump lubrication, in which also in case of a non-tightness in the thread of the oil discharge bolt, a sucking-in of air is made effectively impossible by structurally simple means.
	www.freepatentsonline.com /4119178.html (575 words)

	Dry Sump Pumps Content, Resource And Website (Site not responding. Last check: )
		Brennan racing dry sump pumps 3 stage 4 stage 5 stage features cad designed 5 axis cnc machined all pump sections are machined to accept o rings so as to eliminate the need for silicones or.
		Dry sump oil pumps dry sump oil pans oil pump pulleys oil filters wet sump oil pumps.
		Village officials believe sewer system leaks or illegal sump pump hookups may be to blame for an excess of more than 100,000 gallons of water being treated daily at the village's wastewater treatment facility.
	www.sump-pump-source.info /dry-sump-pumps.html (1166 words)

	Armstrong Race Engine Systems - Cast Aluminum And Magnesium Components For Professional Racing
		Chevrolet, Buick, Cadillac and Pontiac Dry Sump Oil Pans
		Nissan V - 6 Dry Sump Oil Pans
		Honda V - Tec Dry Sump Oil Pans
	www.drysump.com /index1.htm (116 words)

	Howstuffworks "Why do some engines use a dry sump oil system?"
		In a wet sump, the oil pump sucks oil from the bottom of the oil pan through a tube, and then pumps it to the rest of the engine.
		There are at least two oil pumps in a dry sump -- one pulls oil from the sump and sends it to the tank, and the other takes oil from the tank and sends it to lubricate the engine.
		Because a dry sump does not need to have an oil pan big enough to hold the oil under the engine, the main mass of the engine can be placed lower in the vehicle.
	www.howstuffworks.com /question331.htm (445 words)

	Offshoreonly.com - Dry Sump Systems
		Dry sumps with their much bigger oil resevoirs together with an oil cooler are better at cooling oil than a wet sump.
		Dry sumps are the ultimate but not neccesary in most applications,plus the belt wearing out,breaking etc would be one more thing to worry about,Smitty
		With dry sump you will not have that potential of a dry fraction of a second at high sustained R's resulting in scaring a bearing etc and a blown engine etc.
	www.offshoreonly.com /forums/showthread.php?t=88353 (1867 words)

	Wet-Dry/Sump vs. Canister Filter - The Reef Tank
		A trickle filter that incorporates a sump would be the better choice of the two.
		I have access to a 30gal tank to use as a sump but I also have a 20gal and I'm not sure what would be considered overkill.
		Using the layout on the second image, the water would come from the tank, filter thru the bio balls, mix in with whatever water is being housed in the sump, pumped out to the skimmer and then pumped back up into the tank to complete the cycle.
	www.thereeftank.com /forums/showthread.php?t=6660 (1403 words)

	Dry sump - Corvette Forum
		In order to lower the engine they would also have to replace the conventional clutch with a small diameter flywheel and mutliplate clutch, which, along with a shallow dry sump pan is required to lower the engine.
		Another trick used by OE dry sump designs is to intergrate the sump into the bell housing.
		The dry sump pumps move a lot of air so they need to be of reasonable size and must be strong.
	forums.corvetteforum.com /showthread.php?t=967173 (1135 words)

	Wet-Dry filtration
		Sump: Use a 15 or 20 gallon aquarium.
		The sump is a generic storage container approx 36"long x 18"wide x 12"tall and has a removable snap-on lid.
		I ended up with about 7 gals of water in my sump because the Eheim is a bit tall and to compensate for water evaporation which is really fast compared to when I didn't have a wet/dry.
	www.thekrib.com /Filters/wetdry.html (5869 words)

	408 wet v dry sump tranny - FerrariChat.com
		Additionally the case itself had to be slightly extended to allow the nut on the drive sprocket to fit I had to have a larger flange created on the wet sump tranny to accomodate the location of the offset stud.
		Going the other way, Andy's dry sump tranny should not need the case extension but its flange will need modification to allow the non offset stud of a wet sump engine to line up and the case will need to modified slightly to allow the nut to fit on the stud.
		More accurately maybe you are talking about a dry sump lubrication in which the crankcase is kept evacuated and the oil stored in a oil tank, if this is the case, there is a very good thread of a 308 already converted to a dry sump oiling system.
	www.ferrarichat.com /forum/showthread.php?t=63311 (504 words)

	Dry Sump
		With the success of dry sump drives, and almost universal use of dry sump oiling in all forms of motor sports it became obvious to us that a dry sump transmission was the next logical step.
		By separating the lubricating oil from rapidly moving parts, dry-sump has been proven to increase prop shaft horsepower, increase boat speed, reduce temperature and extend operating life.
		Two engines on each side are coupled together through 1 CYBORG Dry Sump and a Mercury #6 drive, 1700 Horsepower per transmission!
	www.go-fast.com /dry_sump_cyborg.htm (134 words)

	Wet/Dry and Sump Filtration
		These balls are usually suspended above the water that is in the sump portion of the tank and the water coming from the tank's overflow trickles over the bio-balls.
		If the overflow is to small then the pump in the sump is going to be filling the tank faster than the overflow can drain the water thus you have a flood.
		As water evaporates the water level in the sump goes down not the water level in your tank.
	www.vafishfreek.com /wetdrynsump.html (1072 words)

	198 mph and dry sump - The Corvette C6/Z06 Forum
		In a dry sump oiling system, engine oil is stored in a reservoir external to the engine, so the crankcase contains only a minimal amount of oil at all times.
		The dry sump system enables increases to the dynamic capabilities of the vehicle, which is why racing cars and exotic sports cars use this type of oil system.
		Additionally, oil aeration is lower in a dry sump system, because the oil spends less time in the presence of the crankcase windage.
	forums.roadfly.com /chevrolet/forums/corvette_c6/6932908-1.html (1168 words)

	Dry Sump Oil Pumps Data, Portal And Update (Site not responding. Last check: )
		The latest in cutting edge oiling systems need a new dry sump pump we have most applications in stock for immediate delivery!we not only sell new pumps, we have fast friendly service.
		At least two oil pumps in a dry sump one pulls oil from the sump and sends.
		In the Lake Pewaukee Sanitary District, homeowners are supposed to connect their sump pumps to outside discharge pipes rather than basement floor drains or laundry tubs.
	www.sump-pump-source.info /dry-sump-oil-pumps.html (1161 words)

	Dry Sump Oiling - Chevelle Tech
		I hear about the advantages of a dry sump oil system such as smaller oil pan, cooler oil and hp gains, but what are some disadvantages beside the cost of the pump and tanks?
		A really nice wet sump system will live forever, it will cost way less ($2000 to $2500 less) and will be a cleaner install.
		Dry sump has huge advantages for racing cars, but for street stay with wet sump...if you want to go a step up, try the billet pumps such as Titan...or for 2-3 steps up, run a wet sump system with an external pump.
	www.chevelles.com /forums/showthread.php?t=23462 (583 words)

	dry sump pump does fit - Corvette Forum
		I have it like that on my wet sump system but I don't have enough room so I little seperate sump with a breather on top is much easier than hacking up the stefs pan for 2 drains under an angle.
		Marck running a dry sump is something that I have often thought about, especially when that big red warning light comes on while launching hard.
		Then there's a little drive mandrel way on the front for the dry sump pump.
	forums.corvetteforum.com /showthread.php?t=759799 (470 words)

	355 Oil Change - dry sump empty when cold? - FerrariChat.com
		Rob -- If by "dry sump" you mean the oil tank, your result was "normal" for the actions you describe.
		This makes perfect sense, and why all those new 355 and 360 owners overfill the engine...they check the oil cold (which is measured from the sump, which is now empty!) and start dumping in oil...next thing you know, they are two or three quarts overfilled.
		Anyway if you only remove the sump plug you don't have to go to the trouble of messin' with that tank plug, because the oil will drain from the tank to the sump rather quickly after shut down.
	www.ferrarichat.com /forum/showthread.php?t=71122 (1305 words)

	RX-7 Owners Club - Wet sump vs. dry sump (Site not responding. Last check: )
		Mazda's dry sump system is about $2000 wich is a bit much, but a new engine is much more.
		Yes, a dry sump would be in order for a race car, especially if the engine is built for high rpm's.
		You gotta love 180psi of oil pressure from a dry sump pump not too mention the 16 qrts of oil needed in the tank.
	www.rx7club.com /showthread.php?t=76717 (717 words)

	Dry Sump
		Units that are installed on board ships or floating production platforms may require the dry sump option.
		This option would be required if the roll and yaw of the ship would cause the frame lube oil pump to lose suction of the oil in the sump or any of the running gear to foam the oil from contact with the oil level.
		}}-->An oil sump strainer is provided by Ariel to be placed in the pump suction line at the outlet of the Packager's wet sump.
	www.arielcorp.com /application_manual/arieldbDry_Sump.htm (149 words)

	DSM Forums - Dry sump oiling system
		The problem with dry sump systems is oil drain back which can occur if check valves are not included.
		In Aviation where Radials all have dry sumps the rule of thumb is: Engine drive both pumps, Scavange pump is to be at least twice the volume of the pressure pump to keep up with supply.
		After the Radial engine days a few Manufacturers continued to use a dry sump system but even with the increased benifits of cooler oil and improved free running of the engine internals most have abandoned the practice.
	www.dsmtuners.com /forums/printthread.php?t=89921&pp=40 (7605 words)

	dry sump oil system - NASIOC
		A dry sump system is a good idea if you plan on some serious track work as your ensured consistant lubrication under high lateral G's.
		Dry sump systems tend to be heavier because you have the tank, the pump, the hoses, and the pan.
		To fit a dry sump system, you would either have to lose your back seats or your trunk.
	forums.nasioc.com /forums/showthread.php?t=89527 (798 words)

	Anyone Gone To A Dry Sump Oil System? - NASIOC
		Yes an external dry sump system is a bit extreme for a daily street driven car however so is a 700 hp 10K RPM 2.5 liter motor.
		A dry sump offers several advantages, such as clearing of the crankcase of excess air, better oil for lubrication and fully controlled oil flow for the engines demands.
		The cost of an external wet sump would run around $1100 and if you wish to expand to a full dry sump at a later date several of the pieces cross over.
	forums.nasioc.com /forums/showthread.php?t=983234 (2270 words)

	RX-7 Owners Club - Dry sump oiling (Site not responding. Last check: )
		I am familiar with Dry sump oiling, but can't understand why Pineapple racing charges $3000 or more for this.
		Not thinking about this for my FC, (Dry sump on a 13B is for racing only) just more thoughts for oiling that 6 rotor idea of mine.
		I'm sorry man, but if I had the money and looking for a dry sump system, I wouldn't trust it to a bunch of stock parts that just added a failure factor of 4 to the whole engine...
	www.rx7club.com /showthread.php?t=73159 (584 words)

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