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Solvent in oil??? #144314 11/01/08 05:58 PM 11/01/08 05:58 PM
Joined: Oct 2003 Posts: 7,863 Colorado Leadfoot OP master
Leadfoot OP master Joined: Oct 2003 Posts: 7,863 Colorado	I got mineral spirits in my crankcase. Don't ask how because I'm not telling you. Keep in mind that I don't drink either. Anyways I just got it back together and in the car. I ran it for about 5 minutes and noticed about 20 pounds of oil pressure where there used to be 80. I checked the oil and it was more like foam. I changed it three times so far and I don't have the pressure I want. I looked in the bottom of the drain pan and I see a greasy substance in there that must be broken down oil and solvent. But solvent won't cut it either. Are my galleys full of this crap and will it ever be normal without taking it down again and tanking the block? Is there any type of additive that will clean the galleys?

Re: Solvent in oil??? [Re: Leadfoot] #144315 11/01/08 06:04 PM 11/01/08 06:04 PM
Joined: Feb 2004 Posts: 4,501 Gainesville,FL G goldmember master
goldmember master G Joined: Feb 2004 Posts: 4,501 Gainesville,FL	Mineral spirits is a great way to loosen crud,but I don't understand what your trying to say. The foaming sounds like a way overfilled crankcase or loose pickup tube and either would cause a low oil pressure condition. Got any more info?

Re: Solvent in oil??? [Re: goldmember] #144316 11/01/08 06:27 PM 11/01/08 06:27 PM
Joined: Oct 2003 Posts: 7,863 Colorado Leadfoot OP master
Leadfoot OP master Joined: Oct 2003 Posts: 7,863 Colorado	Yes, the oil is too thin from the solvent. The solvent mixed with the oil has formed a greasy substance. I'm just looking for a way to clean the block out. I am going to assume the lifters are goners so I plan to replace them tomorrow.

Re: Solvent in oil??? [Re: Leadfoot] #144317 11/01/08 06:34 PM 11/01/08 06:34 PM
Joined: Feb 2004 Posts: 4,501 Gainesville,FL G goldmember master
goldmember master G Joined: Feb 2004 Posts: 4,501 Gainesville,FL	So the mineral spirits were put in a very sludged engine,now the pickup has been plugged and your oil pressure is low? Drop the pan and clean it out as well as the pickup tube and pump. Disassemble the lifters(IF NEEDED) and clean them out. Add fresh oil and go.

Re: Solvent in oil??? [Re: Leadfoot] #144318 11/01/08 08:46 PM 11/01/08 08:46 PM
Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska Scott Carl pro stock
Scott Carl pro stock Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska	Quote: I am going to assume the lifters are goners so I plan to replace them tomorrow. Three oil changes should have purged every nook and cranny IMO. Something is clogged or as has been suggested perhaps the pickup loose so pressure can't build up properly. I wouldn't think the lifters are goners. If they are full of mineral spirits, take them apart and clean them

Re: Solvent in oil??? [Re: Scott Carl] #144319 11/01/08 08:57 PM 11/01/08 08:57 PM
Joined: Nov 2007 Posts: 21,843 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,843 Kirkland, Washington	I can't imagine that a couple oil changes wouldn't result in nothing but OIL in the engine!!!

Re: Solvent in oil??? [Re: Pacnorthcuda] #144320 11/01/08 09:15 PM 11/01/08 09:15 PM
Joined: Feb 2004 Posts: 4,501 Gainesville,FL G goldmember master
goldmember master G Joined: Feb 2004 Posts: 4,501 Gainesville,FL	Well assuming it's some kind of beater,I'd fill the crankcase with 2 quarts cheap 30wt,at least 2 quarts MEK,toluene,mineral spirits mix and let it run at low rpm 45 minutes,then drain,repeat as needed until clean. Thats the easy way to deal with it. Last edited by goldmember; 11/01/08 09:16 PM.

Re: Solvent in oil??? [Re: goldmember] #144321 11/01/08 11:14 PM 11/01/08 11:14 PM
Joined: Oct 2003 Posts: 7,863 Colorado Leadfoot OP master
Leadfoot OP master Joined: Oct 2003 Posts: 7,863 Colorado	No it's not some kind of a beater. It's a fresh 340 right off the stand. I just got solvent in the crankcase somehow and it thinned the oil. I am on oil change #5 and still can't get all the solvent out. The lifters are rattling to beat the band since they've all filled up with this thinned out oil. The oil in the bottom of the drain pan has the consistency of crisco and I assume there is some of the same stuff in the galleys. I was just looking for a way to clean it out without another teardown.

Re: Solvent in oil??? [Re: Leadfoot] #144322 11/01/08 11:24 PM 11/01/08 11:24 PM
Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska Scott Carl pro stock
Scott Carl pro stock Joined: Aug 2008 Posts: 1,568 Omaha, Nebraska	Quote: It's a fresh 340 right off the stand. The lifters are rattling to beat the band since they've all filled up with this thinned out oil. The oil in the bottom of the drain pan has the consistency of crisco and I assume there is some of the same stuff in the galleys. I was just looking for a way to clean it out without another teardown. Maybe not a complete tear down but pull the lifters. I don't see having to buy new lifters if you haven't driven or run it hard. Just take each one apart and clean them out. But why is the oil in the pan so thick on a fresh rebuild? Reaction between solvent and oil additives?

Re: Solvent in oil??? [Re: Leadfoot] #144323 11/01/08 11:25 PM 11/01/08 11:25 PM
Joined: Feb 2004 Posts: 4,501 Gainesville,FL G goldmember master
goldmember master G Joined: Feb 2004 Posts: 4,501 Gainesville,FL	I don't think the problem is the mineral spirits,something is way wrong. Sorry,I'd pull the intake and check the cam lobes. Even if you had some trace amounts it wouldn't have any effect after an oil change,5 changes later,you got a problem.

Re: Solvent in oil??? [Re: Scott Carl] #144324 11/01/08 11:47 PM 11/01/08 11:47 PM
Joined: Oct 2003 Posts: 7,863 Colorado Leadfoot OP master
Leadfoot OP master Joined: Oct 2003 Posts: 7,863 Colorado	Quote: But why is the oil in the pan so thick on a fresh rebuild? Reaction between solvent and oil additives? It's weird. The oil seems to be getting better but the residue on the bottom of the drain pan is almost like glue and straight mineral spirits won't disolve it. I have another set of lifters and I don't have any problem throwing them in but I don't want them to fill up with any of this stuff. I might go for another oil change or two and see what happens before I put them in.

Re: Solvent in oil??? [Re: Leadfoot] #144325 11/01/08 11:51 PM 11/01/08 11:51 PM
Joined: Feb 2004 Posts: 4,501 Gainesville,FL G goldmember master
goldmember master G Joined: Feb 2004 Posts: 4,501 Gainesville,FL	Are you checking the used oil for metal flakes? How are you finding this "glue",does it drip out of the drain plug or? What assembly lube(s) did you use?

Re: Solvent in oil??? [Re: Leadfoot] #144326 11/02/08 02:32 AM 11/02/08 02:32 AM
Joined: Jan 2003 Posts: 616 Sacramento, CA K Kirk_Ingram super street
Kirk_Ingram super street K Joined: Jan 2003 Posts: 616 Sacramento, CA	An hour and a half, and the engine is out, another hour to take it down. Wash the block, check your cylinder walls for pattern, re-assemble with new bearings and rings and lifters and oil pump. Break-in again...yada...yada... Call it a $200 mistake And whatever you did don't do it again! Last edited by Kirk_Ingram; 11/02/08 02:41 AM. Death or Glory...it's just another story.

Re: Solvent in oil??? [Re: Kirk_Ingram] #144327 11/02/08 03:11 AM 11/02/08 03:11 AM
Joined: Aug 2003 Posts: 12,291 Kent, Wa 340SHORTY Truck Nut
340SHORTY Truck Nut Joined: Aug 2003 Posts: 12,291 Kent, Wa	curious how a fresh off the stand engine could have that much sludge/[Edited by Moparts - Keep it clean] built up in it... and now waiting for the rest of the story !!!! I am truckless..

Re: Solvent in oil??? [Re: goldmember] #144328 11/02/08 01:15 PM 11/02/08 01:15 PM
A Anonymous Unregistered
Anonymous Unregistered A	Quote: I don't think the problem is the mineral spirits,something is way wrong. Sorry,I'd pull the intake and check the cam lobes. Even if you had some trace amounts it wouldn't have any effect after an oil change,5 changes later,you got a problem. I don't know what you mean by "mineral spirits" but most in that category that I know of mix just fine with oil---which means that after you've changed the oil and filter JUST ONCE the problem should be over. Either you have something like a leak in the intake side of the oil system (pump gasket, oil pickup, etc) that is causing foaming, or else you have coolant/ water in the oil. Either that, or some awful chemical BESIDES "mineral spirits" has somehow gotten into your engine. If you properly inspected and assembled it, I don't know how that possibly could be the case

Re: Solvent in oil??? #144329 11/02/08 01:41 PM 11/02/08 01:41 PM
Joined: Sep 2003 Posts: 650 Kansas R racincuda mopar
racincuda mopar R Joined: Sep 2003 Posts: 650 Kansas	I agree with 440sixpack When I was much younger I decided to flush my 440 with a solvent, kereosene i think, ran engine ww/5 qts of kerosene about 5 minutes, drained it and filled w/ oil & new filter. NO PROBLEMS. However I dont think I would ever try that again. The solvent Is not your problem

Re: Solvent in oil??? [Re: racincuda] #144330 11/02/08 04:37 PM 11/02/08 04:37 PM
Joined: Jan 2007 Posts: 1,668 Mi,U.S.A. M mike s top fuel
mike s top fuel M Joined: Jan 2007 Posts: 1,668 Mi,U.S.A.	Or coolant? Leave the gun.......take the Cannoli's....Mike

Re: Solvent in oil??? [Re: mike s] #144331 11/02/08 08:05 PM 11/02/08 08:05 PM
Joined: Oct 2003 Posts: 7,863 Colorado Leadfoot OP master
Leadfoot OP master Joined: Oct 2003 Posts: 7,863 Colorado	I'm going to have to get everybody's address and send them a sample. This is not foam from aeration there are no metal shavings either. This is not "Sludge" from cheap oil or infrequent changes. This is a greasy substance caused by whipping oil and solvent together in the pump. The oil has been broken down and and the greasy residue is adhering to the insides of the galleys and lifters just like it sticks to the bottom of the drain pan. I did another change today while hot and I am making progress. The oil is better when it comes out and I am getting my pressure back little by little. A lot of the pressure issue was the line going to the guage was plugged wuth this stuff too. I was just looking for an easy way to clean the engine out. If this still isn't clear as to what I am talking about, go pour a half cup of mineral spirits in your crankcase and let it run for about 10 minutes.

Re: Solvent in oil??? [Re: Leadfoot] #144332 11/02/08 08:46 PM 11/02/08 08:46 PM
Joined: Feb 2004 Posts: 4,501 Gainesville,FL G goldmember master
goldmember master G Joined: Feb 2004 Posts: 4,501 Gainesville,FL	Does it have the look of a partialy melted milkshake? Maybe it's a condensation issue,not that uncommon.

Re: Solvent in oil??? [Re: Leadfoot] #144333 11/02/08 08:47 PM 11/02/08 08:47 PM
Joined: Aug 2003 Posts: 12,291 Kent, Wa 340SHORTY Truck Nut
340SHORTY Truck Nut Joined: Aug 2003 Posts: 12,291 Kent, Wa	are you running a synthetic oil?? maybe running some ATF will help cut the slime/goo substance... I am truckless..

Re: Solvent in oil??? [Re: 340SHORTY] #144334 11/02/08 10:00 PM 11/02/08 10:00 PM
Joined: Jan 2003 Posts: 18,426 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,426 UPPER MICHIGAN, MARQUETTE COUN...	I have to ask are you on retard pills? Why would you be running mineral spirits in a fresh engine? Your posts and what you are doing make zero sense to me.

Re: Solvent in oil??? [Re: NITROUSN] #144335 11/02/08 11:21 PM 11/02/08 11:21 PM
Joined: Jun 2004 Posts: 893 Tustin, CA P pishta super stock
pishta super stock P Joined: Jun 2004 Posts: 893 Tustin, CA	Could the thick stuff be moly from the assembly lube. As Mineral spirit is a highly refined product of oil in the first place, I dont think the thick crud is insoluable in oil. If you are concerned about running the motor with the foreign stuff in the pan, why not just run the oil pump? Pull the drive gear and chuck the pump with a hex shaft. The lifters are probably still good, just remove the circlip, disassemble and soak in...mineral spirits ! Last edited by pishta; 11/02/08 11:23 PM. 12 Grand Caravan 06 T&C 02 T&C 96 Breeze 65 Barracuda "S"

Re: Solvent in oil??? [Re: NITROUSN] #144336 11/02/08 11:26 PM 11/02/08 11:26 PM
Joined: Jan 2003 Posts: 931 D dulcich super stock
dulcich super stock D Joined: Jan 2003 Posts: 931	Mineral spirits wont do what you are describing if that is what you had in the crankcase. It mixes perfectly with oil and just thins it out; does not form a sludge of any kind. Sounds to me like you are getting coolant in the oil. That will make a gooey sludge that sinks to the bottom of your drainpan. -dulcich

Re: Solvent in oil??? [Re: dulcich] #144337 11/02/08 11:31 PM 11/02/08 11:31 PM
Joined: Jan 2003 Posts: 18,426 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,426 UPPER MICHIGAN, MARQUETTE COUN...	Quote: Mineral spirits wont do what you are describing if that is what you had in the crankcase. It mixes perfectly with oil and just thins it out; does not form a sludge of any kind. Sounds to me like you are getting coolant in the oil. That will make a gooey sludge that sinks to the bottom of your drainpan. -dulcich Exactly. Thats why I said his posts make zero sense.

Re: Solvent in oil??? #144338 11/02/08 11:42 PM 11/02/08 11:42 PM
Joined: Jan 2003 Posts: 4,574 Upper Midwest Black_Sheep master
Black_Sheep master Joined: Jan 2003 Posts: 4,574 Upper Midwest	Quote: or else you have coolant/ water in the oil. Have you checked your coolant level? '69 Plymouth GTX See you on the street...

Re: Solvent in oil??? [Re: NITROUSN] #144339 11/03/08 07:54 AM 11/03/08 07:54 AM
Joined: Jan 2003 Posts: 14,610 Not2farfromNashville, TN R Rug_Trucker I Live Here
Rug_Trucker I Live Here R Joined: Jan 2003 Posts: 14,610 Not2farfromNashville, TN	"The only thing to do for triumph of evil is for good men to do nothing" "NUNQUAM NON PARATUS!"

Re: Solvent in oil??? [Re: Leadfoot] #144340 11/03/08 10:41 AM 11/03/08 10:41 AM
Joined: Jan 2003 Posts: 12,405 Southern, Ca. 69DartGT moparts member
69DartGT moparts member Joined: Jan 2003 Posts: 12,405 Southern, Ca.	I agree with above you need to be checking for a coolant leak.

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