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Discussion Starter #1
Just cleaning up an engine sump, has anyone got any good ideas for removing sludge and caked on resins from the bottom? The car obviously hasn't had very good oil and not so frequent oil changes. Ive tried scrubbing it in several solvents and it wont budge, very solid stuff like a carbon deposit.

I was thinking of getting it chemically dipped? Is that a good idea?

Thanks in advance, Josh.
 

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if its a standard sump, its probably easier and cheaper just to replace it. especially in south australia

if its like the hard stuff that builds up on carbys , then carby cleaner works like a dream

if its like the hard stuff that builds up in the combustion chamber, then steam seems to move it like when you squirt water down your carby to de-coke the piston tops
 

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Cheers for the advice! Its a 16V sump, a little different from a normal sump with the oil returns, I guess carby cleaner might help, but looks like its going to the machine shop for an acid bath along with the return tubes and the oil filler neck, **** those PO's who never check their oil!!
Acid bath did wonders to the rest of the engine parts, even removed all the carbon from the ring grooves in the pistons, thats some strong cleaning!!
 
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