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UPDATE: My engine WAS filled with whipped cream!!! Aaargh! 

 

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Posted: Wed Nov 22, 2006 11:01 am 
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acetone will wash that straight out then a petrol bath then a hot wash bingo like new again.

 

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Posted: Wed Nov 22, 2006 3:28 pm 
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blackjack_original wrote:
phongus wrote:
I am a scientist after all :P


Hahaha, not yet. You do sound like you have half a clue about chemistry. Only half a clue though. :)
I've studied a lot of chemistry in my life too, although i never cared for it, therefore never remembered most of it. I still have half a clue though, actually, more like half of a half, of a clue, of your half a clue.

Anyway, my half a clue makes me question your emulsification theory. I do think you're on the right track though.
Here is my theory. The stuff in the engine is plastic.
More specifically some sort of a polymer. Thermoplastic maybe, something like a PET. Now, i know you need ethylene glycol and some acid to make it, and we already have one of those. With heat, and water and electrolysis of god knows what in the engine, is it possible that the acid showed up too? I recall, that in engines, the oil can react with combustion byproducts to form some sort of an acid. What do you think?


Well during combustion of octane...you would get water, CO2, nitrogen and also carbon monoxide...there are some other things in there but the only acid i can see forming is either an acid with a -COOH and maybe NH3/NH4 which can also act as an acid...but they do take a lot of energy to form so maybe it could have formed during the combustion...

Ah wells...lets just hope acetone or something basic might take it off.

phong =P~

 

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Posted: Wed Nov 22, 2006 9:38 pm 
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Well I think we could all agree that the engine was the catalyst and no acid made that gunk.

Wouldnt only CO be produced then from CO2 later? Particularly if you had a catalytic converter?

So try a surfactant (hehe, I like big words) aka detergent, if it comes off, then I guess I was right.

If im wrong, the detergent will do nothing and blackjack_original will be right, if thats the case and it is a thermoplastic formed it should melt right off once it cops a hot enough temp.

Or it could be some other horrible mutation of chemistry!

 

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Posted: Wed Nov 22, 2006 11:18 pm 
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Is this a nerds convention?
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Posted: Wed Nov 22, 2006 11:52 pm 
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nah, its just there way of saying the timing covers f**k, and the motor needs to be rebuilt. Dunno where all the acid theory came from...
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Posted: Thu Nov 23, 2006 1:24 am 
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phongus.. by not post whoring for once, he turned everyone else into post whores, which in turn actually fulfilled his desire..

 

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Posted: Thu Nov 23, 2006 10:11 am 
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f**k ...what a mess....!!!!! :shock: :shock:
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Posted: Sat Nov 25, 2006 12:16 am 
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Ef302, has any progress been made?

 

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Posted: Sat Nov 25, 2006 12:38 am 
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wholly mother of amanda vanstone!!

good luck fixing that one dude.

 

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Posted: Sat Nov 25, 2006 12:53 am 
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i reckon sasr is right, its a whole new mutation of chemistry :P :P :P

i was thinking, if it is some sort of plastic, woudnt it have gone rock hard when it cooled?

 

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Posted: Sat Nov 25, 2006 1:30 am 
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-clampy- wrote:
phongus.. by not post whoring for once, he turned everyone else into post whores, which in turn actually fulfilled his desire..


:twisted: hahaha nah...I actually got to use the knowledge I have accumulated over the 3 years of uni to try and figure something out. I just hope all that made sense in a way :? ...it was chemistry jargon.

How did it go ef302? did you manage to remove the gunk or did you buy a new motor?

phong =P~

 

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Posted: Sat Nov 25, 2006 1:49 am 
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those pics look like should be used for a caption comp or something, I have never ever seen anything like that before. Hope all goes well in the end.

Thats just unbelievable.......

 

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Posted: Sun Nov 26, 2006 11:29 pm 
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alfy wrote:
i reckon sasr is right, its a whole new mutation of chemistry :P :P :P

i was thinking, if it is some sort of plastic, woudnt it have gone rock hard when it cooled?


If it was thermosetting plastic it would form a hard substance, but you cant melt thermosetting plastic then let it form again, it sort of chars. Like the stuff bins are made out of.

Thermo plastics are like the stuff ice cream containers are made out of, you can melt them and then reform them again.

For a plastic to be formed in the conditions that stuff formed in it would have to be a mutation of chemistry in my reckoning!

lol, anyone need some questions on theoretical physics answered?

 

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Posted: Mon Nov 27, 2006 12:15 pm 
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ef302 wrote:
The cream stuff is what the water and oil turned into... the corrosion was of the timing cover...
timing cover failure is common,i changed mine last year,found a aftermarket one for under $400,cast very well and thick.i used extra earth straps on motor,and one on the pump bolts. cant help with clean up, could try steam cleaner ----shifts almost everything? :?: :?: :?:

 

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Posted: Mon Nov 27, 2006 3:41 pm 
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lol, that is f**k, never seen it that bad before

 

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