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Re: [T3] Fuel in oil

On 3 Jan 2003 at 23:26, Daniel Baum wrote:

> If that is the case, how would I know if one or more of my cylinder is full
> of gas right now, and it is gradually seeping into the sump, bearing in mind
> that the engine does seem to run pretty well, despite everything?

If a cylinder were FULL of gas it would lock up the engine when you tried to 
start it. The piston would come up to the point where combustion chamber was 
completely full, and stop there, because it would be unable to compress the 
liquid. I don't think you woud damage anything, the starter engine is just not 
strong enough and the engine is not turning over fast enough to hurt anything.

The only cases I have ever heard of where an engine was damaged was when a hard 
to start car was pushed by another car to try to get it running. I used to park 
at a gas station where they kept a trophy: a Corvette piston and rod from a car 
they had pushed to 30 mph and then popped the clutch in 1st gear. The rod was 
somewhat buckled, but they told me that the car actually started and ran after 
that. It just ran poorly.

> This actually is the thing that I find the most puzzling. While all this
> petrol was accumulating in the sump from wherever, the engine carried on
> regardless, and does not show signs of running rich; at least not now that I
> have adjusted the carbs to some extent.

I think that if you have seen gas in the pump base, then it is quite likely 
that this has been your problem. As long as the pump still worked somewhat, 
your engine would still run okay, but replacing it might improve things if the 
pump pressure has been low all along.

Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA

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