Re: IML:Fush or not to flush

[sosmi@xxxxxxxxxxx]

Crank case flushing, can be a "GRAY" area. Paul has a good point, if the engine is gunked-up bad, then dropping the pan, would be a smart way to go.It's also possible to leave it alone, and do nothing other than regular oil changes.There's really no right, or wrong answer. I will say, we've done some flushes and had some engine failure afterwards.After removing the oil pan, we found the oil pick-up screens filled with debris, things like valve stem seal pieces, old gasket pieces, timing gear nylon, and even lint from shop rags. Not to mention, the slime and goo that was loosened-up from the flush.The oil pumps also had problems, since the flush and extra trash, increased the clearances in the pump, and after changing oil, the pump would loose its prime, and not pick-up the oil during start-up.To flush, I suppose will be your personal choice, but I don't anymore.Ya'll have a nice day, Dave.

 

> -------------- Original message -------------- 
> From: randalpark@xxxxxxx 
>
> > I explained most of my beliefs on this in my previous note. The point 
> > of NOT doing it, is that loosening up debris means that it is carried 
> > through the system. This should be captured by the filter. Some believe 
> > that it will clog oil passages. If there is enough of it, it probably 
> > will. 
> > 
> > I am vigilant about what I hear in a running engine. If something 
> > doesn't sound right, I try to figure out what it is. If something isn't 
> > getting oil hopefully you should be able to tell before doing any 
> > damage. I cleaned out the oil pan in the cars that I had which had been 
> > parked for years. This eliminated a large amount of junk that would 
> > have been carried through the oil. Whether it would have plugged the 
> > oil passag
> es, or washed itself into hydraulic lifters clogging them up 
> > is a question that I didn't want to find out the answer to the hard way. 
> > 
> > If you think (or wonder if) your engine is full of goo, drop the pan 
> > and clean it out. The oil pan is designed to be a sump. Before 
> > detergent oils, part of routine maintenance was to remove it and clean 
> > it out at specified intervals. This is a good idea to do on older cars 
> > since we seldom know what (if anything) had been done over the years to 
> > maintain our old cars. 
> > 
> > Paul W. 
> > -----Original Message----- 
> > From: dansgarage@xxxxxxxxxxxx 
> > To: mailing-list@xxxxxxxxxxxxxxxx 
> > Sent: Tue, 20 Feb 2007 7:51 PM 
> > Subject: Re: IML: ATF vs. Marvel 
> > 
> > Hi All....this question is regarding the adding of ATF to a motor OR 
> > adding 
> > Marvel Mystery Oil (MMO). I remember before I was even driving, my Dad 
> > wou
> ld add 
> > MMO to the motor to keep it running 'quieter'. If I recall correctly, 
> > several 
> > IMl'rs have also suggested adding some MMO when doing an oil change. 
> > What is the 
> > real PURPOSE of the MMO or the ATF? ...is it to help clean out the 
> > motor....if 
> > so, draining it after a few hundred miles or a long, hard trip is 
> > probably a 
> > good idea, but how often is this a good thing to do? 
> > It was suggested to add some ATF in order to 'clean out' or ;loosen up' 
> > any 
> > stuck components. Could the same thing be done using MMO?... 
> > ...Now, having said this I also remember hearing that sometimes 
> > 'cleaning out' 
> > the motor is NOT the best thing to do, especially if its a HIGH MILAGE 
> > motor 
> > since you could possibly wind up with a motor that is a LOT noiser than 
> > it was 
> > to begin with! 
> > Has anyone had first-hand experience with using MMO or
>  ATF in the 
> > engine and 
> > what was the result??? 
> > I realize that neither is a real 'fix it' for a engine that has real 
> > problems, 
> > but does either of these (MMO or ATF) do the same thing? or are they 
> > for 
> > different symptoms? 
> > Thanks all! 
> > Dan Melnik 
> > 
> > 
> > 
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