RE: how do you clean with a crockpot?  
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RE: how do you clean with a crockpot? - 12/4/2004 5:12:15 AM   
CCRC1



Posts: 1109
Joined: 8/28/2002
From: Waldorf, MD, USA
Status: offline 		Hi Steve,
Hows things down south?
I have used this method for some time and never experienced problem one! Use the lower temp setting, straight cheap regular anti-freeze and let it cook for 4 to 6 hours. (A little longer for a really gunked up engine). When it is clean to your satisfaction, I rinse the parts with clean water, hit them with some compressed air and immediately drop the parts into a container of synthetic ATF and then reassemble. I have done dozens of engines in my crock pot and never experienced any discoloration at all. In a pinch were I was pressed for time, I have cleaned mufflers on the high setting for just an hour or two and still had good results.
I got a good laugh at the post about the Demon Clean being safe to leave on the engine for any length of time. I had two cans of this stuff a couple of years ago and was going to give it a try. Before I could use it, the contents ate through the solder joints of the metal containers it was packaged in. Based on that I decided against using it.

(in reply to Steve Campbell)
       Post #: 51

RE: how do you clean with a crockpot? - 12/4/2004 2:23:13 PM   
BillS


 

Posts: 3039
Joined: 9/6/2004
From: Greensboro, NC, USA
Status: offline
quote:

You guys who have experienced the graying of parts, do you have any idea how hot your mixture was?


No graying experience with crock-pot cleaning but I just started using a crock-pot. I pilfered a crock-pot from the kitchen after discovering the replacement cost at Big Lots.

However boiling an engine on the on the stove will turn it gray and dull. Don’t remember the cleaning solution but it was probably dishwashing liquid. Washing the engine in the dishwasher will turn it gray probably because of the caustic action of the dishwashing powder. The dishwasher did a poor job of removing baked on oil plus alienated the keeper of the kitchen.

I used an ultra sonic cleaner with many household cleaners and it appeared that anything containing ammonia would turn the cases dull and gray. Ultra sonic cleaning will not remove baked on oil.

Suggestions to restore the original finish would be good. I don’t have access to a bead blaster.

Bill

(in reply to Steve Campbell)
       Post #: 52

RE: how do you clean with a crockpot? - 12/4/2004 2:28:30 PM   
Steve Campbell


 

Posts: 4191
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		<<...4-6 hours...>>

Hmmm... I may have screwed up. I let it cook overnight.

Just turned it off; we'll see how it looks after cool-down.

(in reply to BillS)
       Post #: 53

RE: how do you clean with a crockpot? - 12/4/2004 5:29:42 PM   
Steve Campbell


 

Posts: 4191
Joined: 12/8/2001
From: Zachary, LA, USA
Status: offline 		Well, it came out sparkling clean.


Not that I doubted anyone, but this works like a CHAMP! Even cleaned the castor gunk out of the threads on the muffler header pipe.

Next victim is in the pot as we speak...

(in reply to Steve Campbell)
       Post #: 54

RE: how do you clean with a crockpot? - 12/4/2004 8:20:57 PM   
CCRC1



Posts: 1109
Joined: 8/28/2002
From: Waldorf, MD, USA
Status: offline 		Steve,
overnight is just fine on the low setting, it won't hurt anything. I have done it like this many times.
I fashioned a small basket out of a strainer I bought at the dollar store that is made from a fine wire mesh. I use this for the small carb parts and screws so you don't have to fish around looking for them.

(in reply to Steve Campbell)
       Post #: 55

RE: how do you clean with a crockpot? - 1/30/2005 6:05:01 AM   
dougi3000


 

Posts: 50
Joined: 12/29/2004
From: , BC, CANADA
Status: offline 		Just tried it today.
picture says a thousand words.

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< Message edited by dougi3000 -- 1/30/2005 6:09:03 AM >

(in reply to CCRC1)
       Post #: 56

RE: how do you clean with a crockpot? - 1/30/2005 6:21:07 AM   
w8ye



Posts: 17307
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: offline 		The post and the picture tells us you are happy with the results and what you have learned...

Another satisfied modeler?

Enjoy,

Jim

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RE: how do you clean with a crockpot? - 10/23/2005 10:51:01 PM   
Dart373


 

Posts: 1099
Joined: 10/20/2002
From: Chapel Hill, TN, USA
Status: offline 		I was talking to an elder man at the field. He said its ok to remove the glow plug and just submerge the whole engine(Saito 4 stroke). Somebody said it eats rubber up. Hows this? It does not eat rubber gaskets,seals, or hoses on your car!? Thanks. Got a very nasty Saito to clean.

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RE: how do you clean with a crockpot? - 10/23/2005 11:09:13 PM   
delman


 

Posts: 474
Joined: 4/29/2003
From: Flower Mound, TX, USA
Status: offline 		make sure you remove the plastic throttle arm if your engine has one.

(in reply to Dart373)
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RE: how do you clean with a crockpot? - 10/24/2005 12:54:56 AM   
BillS


 

Posts: 3039
Joined: 9/6/2004
From: Greensboro, NC, USA
Status: offline 		Within the last few weeks I have cleaned several engines in the crock-pot. None were taken apart and the plastic throttle arm was left on the engine. NO damage. If the engine is not taken apart more care is required to flush and oil the bearings.

However the engine mount failed today and broke the plastic throttle arm.

Bill

(in reply to delman)
       Post #: 60

RE: how do you clean with a crockpot? - 10/24/2005 2:10:26 AM   
proptop



Posts: 4464
Joined: 10/18/2002
From: Rome, NY, USA
Status: offline 		One experience I've had with crockpotting engines is that the old plastic carb. arms on 70's vintage O.S.'s (for example ) will soften up a bit and become less brittle after a hot bath in anti-freeze.

I've been doing the crockpot cleaning method for about 3 years now...
You can just take the plug out, but personally, I like to remove the backplate too. That way you can make sure it gets inside, and there's less chance of air pockets.

If you just take the plug out, turn the engine over while submerged to get the liquid inside, and force out the air bubbles in the case, under the piston, etc.

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RE: how do you clean with a crockpot? - 10/24/2005 1:31:37 PM   
Steve Campbell


 

Posts: 4191
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From: Zachary, LA, USA
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quote:

ORIGINAL: BillS

If the engine is not taken apart more care is required to flush and oil the bearings.



An easy method for this is to flush the engine with hot water immediately upon removing it from the antifreeze bath. Have standing ready a #10 coffee can (or other appropriately-sized container) full of oil. Automatic transmission fluid is cheap and works well.

Once all the antifreeze is rinsed away, drop the engine (sans backplate) in the oil, turn it over a few times, and let it sit. The hot metal will "absorb" a certain amount of oil, displace any remaining water, and will ensure that oil gets into every nook and cranny. You can leave the engine "pickled" like this forever.

I got the idea from watching some hard-core pylon racers do an engine change, and drop the replaced engine in a can of oil.

Its a bit messy when you're ready to use the engine, but by keeping the back plate off and letting the engine drain on a towel for a few hours, most of the oil will run out.

(in reply to BillS)
       Post #: 62

RE: how do you clean with a crockpot? - 10/24/2005 6:11:33 PM   
Dart373


 

Posts: 1099
Joined: 10/20/2002
From: Chapel Hill, TN, USA
Status: offline 		How can plastic and rubber be damaged when cars use non silicon based rubbers all day long on the same anti freeze?

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RE: how do you clean with a crockpot? - 10/25/2005 2:14:26 AM   
proptop



Posts: 4464
Joined: 10/18/2002
From: Rome, NY, USA
Status: offline 		Seeing as we're on the subject of crockpot cleaning again...
FWIW...after the old toothbrush scrubbing and, I spray the outside, and flush the inside of the engine out with carb cleaner and oil it up good with air tool oil...
(I do the carb cleaner thing outdoors )


It's a messy job, but when it's over, I have an engine that looks as good as new, without a trace of castor (or any other ) residue.

I even have a method for cleaning rusty cranks, pins, and bearings, etc. (that cleaning rusty bearings comment might get some kind of responses )

< Message edited by proptop -- 10/25/2005 2:16:57 AM >

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RE: how do you clean with a crockpot? - 10/25/2005 2:16:24 AM   
Dart373


 

Posts: 1099
Joined: 10/20/2002
From: Chapel Hill, TN, USA
Status: offline 		I hear the crock pot does a better job... Is this a crock of...???

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