Engine sludge

Elmo370z · 11-20-2016, 12:18 AM

Question is removing the sludge. I had a friend open a motor up and is covered in sludge, is the motor trashed or is their an option on removing the sludge?

Dreadnaught · 11-20-2016, 12:38 AM

New engine time. /Thread.

Obviously the sludge is due to the lack of oil changes. Therefore, I'm sure the oil passages in the engine are semi clogged as well. All of the moving parts are scored/damaged.

DEpointfive0 · 11-20-2016, 12:47 AM

Thomas?

DEpointfive0 · 11-20-2016, 12:48 AM

I would've run the engine with seafoam in the oil or diesel or MMO or something. Worth a shot

DEpointfive0 · 11-20-2016, 12:55 AM

Quote:

Originally Posted by DEpointfive0

I would've run the engine with seafoam in the oil or diesel or MMO or something. Worth a shot

(Quietly awaiting someone to think diesel in the engine is the most dangerous thing ever)

Elmo370z · 11-20-2016, 01:56 AM

Quote:

Originally Posted by DEpointfive0

Thomas?

Yeah

YzGyz · 11-20-2016, 03:34 AM

Actually, people use diesel to lube up old blocks that have been sitting for a long time. They open the valve cover and squirt some in and hand crank the block to distribute the oil. Once they start the engine, the oil eventually burns off. I never done it myself but know it's been done.

YzGyz

SouthArk370Z · 11-20-2016, 06:14 AM

Pull the crank main and rod caps and inspect the bearings for damage. Pull the valve covers and inspect valvetrain for damage. If either of these areas shows above normal wear and tear, you're probably boned. Might be a good idea to have a mechanic do an inspection.

Spooler · 11-20-2016, 12:03 PM

It can be done. I have done it. Without a picture it is hard to give any advice. Pulling the valve covers and doing a massive cleaning is one thing you can do. You have to be very very careful if you go that route. Another thing to do is to inspect the oil pickup tube. I would also use a can of Engine Kleen through it at idle. It is basically Kerosene. After that I would change the oil/filter again and add a can of BG MOA to the oil. I would do this every oil change for a while. A guy did a video on what to do on Youtube. It was very accurate on what needs to be done, step by step.

Elmo370z · 11-21-2016, 12:29 AM

Quote:

Originally Posted by Spooler

It can be done. I have done it. Without a picture it is hard to give any advice. Pulling the valve covers and doing a massive cleaning is one thing you can do. You have to be very very careful if you go that route. Another thing to do is to inspect the oil pickup tube. I would also use a can of Engine Kleen through it at idle. It is basically Kerosene. After that I would change the oil/filter again and add a can of BG MOA to the oil. I would do this every oil change for a while. A guy did a video on what to do on Youtube. It was very accurate on what needs to be done, step by step.

you have that video

Spooler · 11-21-2016, 11:39 AM

I will look for it later tonight. By the way, how bad is it?

Spooler · 11-22-2016, 12:29 PM

Haven't found it yet. Still looking.

B&W_Evader · 11-22-2016, 04:11 PM

Just change the oil with some heavy detergent oil and start changing the oil every 1k miles for a while. No point building an engine till it's really toast. If you're lucky, the critical areas will clean up and the motor will still last a long time.

Do it with some cheap penzoil for a couple of changes then go to good stuff when you see it stays clean longer.

look for:
"Helps prevent sludge and other damaging deposits
Helps clean up existing sludge in your engine
Provides proven wear protection"
in the description.

Elmo370z · 11-22-2016, 09:09 PM

Quote:

Originally Posted by Spooler

I will look for it later tonight. By the way, how bad is it?

Looks like JELL-O

Spooler · 11-22-2016, 09:27 PM

Quote:

Originally Posted by Elmo370z

Looks like JELL-O

Not too bad as long as it is not homemade Chocolate icing crusty stuff
where you can't even see the bolts and cam bearings.

11-20-2016, 12:18 AM	#1 (permalink)
Elmo370z A True Z Fanatic Join Date: Apr 2013 Location: st. petersburg Posts: 5,709 Drives: 09 nissan 370z Sp M6 Rep Power: 295378	Engine sludge Question is removing the sludge. I had a friend open a motor up and is covered in sludge, is the motor trashed or is their an option on removing the sludge?

11-20-2016, 12:38 AM	#2 (permalink)
Dreadnaught Track Member Join Date: Dec 2009 Location: Farmington, Utah Posts: 582 Drives: 14 SR 370z 6MT Rep Power: 10139	New engine time. /Thread. Obviously the sludge is due to the lack of oil changes. Therefore, I'm sure the oil passages in the engine are semi clogged as well. All of the moving parts are scored/damaged. __________________ Ford Diesel and Heavy Line Technician at your service.

11-20-2016, 12:47 AM	#3 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	Thomas? __________________ Do YOU want to know what/where I got my username from? ( Click to show/hide ) NSFW due to language:

11-20-2016, 12:48 AM	#4 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	I would've run the engine with seafoam in the oil or diesel or MMO or something. Worth a shot __________________ Do YOU want to know what/where I got my username from? ( Click to show/hide ) NSFW due to language:

11-20-2016, 03:34 AM	#7 (permalink)
YzGyz A True Z Fanatic Join Date: Jun 2013 Location: Houston Posts: 1,449 Drives: 2010 Nismo Rep Power: 63	Actually, people use diesel to lube up old blocks that have been sitting for a long time. They open the valve cover and squirt some in and hand crank the block to distribute the oil. Once they start the engine, the oil eventually burns off. I never done it myself but know it's been done. YzGyz __________________ http://www.the370z.com/members-370z-...gyzs-turn.html YzGyz

11-20-2016, 06:14 AM	#8 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	Pull the crank main and rod caps and inspect the bearings for damage. Pull the valve covers and inspect valvetrain for damage. If either of these areas shows above normal wear and tear, you're probably boned. Might be a good idea to have a mechanic do an inspection. Elmo370z likes this. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

11-20-2016, 12:03 PM	#9 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,797 Drives: 2013 Nismo 370z Rep Power: 2684392	It can be done. I have done it. Without a picture it is hard to give any advice. Pulling the valve covers and doing a massive cleaning is one thing you can do. You have to be very very careful if you go that route. Another thing to do is to inspect the oil pickup tube. I would also use a can of Engine Kleen through it at idle. It is basically Kerosene. After that I would change the oil/filter again and add a can of BG MOA to the oil. I would do this every oil change for a while. A guy did a video on what to do on Youtube. It was very accurate on what needs to be done, step by step. Elmo370z likes this.

11-21-2016, 11:39 AM	#11 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,797 Drives: 2013 Nismo 370z Rep Power: 2684392	I will look for it later tonight. By the way, how bad is it?

11-22-2016, 12:29 PM	#12 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,797 Drives: 2013 Nismo 370z Rep Power: 2684392	Haven't found it yet. Still looking. Elmo370z likes this.

11-22-2016, 04:11 PM	#13 (permalink)
B&W_Evader Track Member Join Date: Aug 2011 Location: CA Posts: 972 Drives: slower than before Rep Power: 387	Just change the oil with some heavy detergent oil and start changing the oil every 1k miles for a while. No point building an engine till it's really toast. If you're lucky, the critical areas will clean up and the motor will still last a long time. Do it with some cheap penzoil for a couple of changes then go to good stuff when you see it stays clean longer. look for: "Helps prevent sludge and other damaging deposits Helps clean up existing sludge in your engine Provides proven wear protection" in the description. Elmo370z likes this. __________________ \|RIP\|6spd-sport\|OSG-LSD\|XP8\|RBF600\|Eibach Sways\|RE-71R\|FI-34Row\|Gen3-CAI\|Yaw P.S.\|

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