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Author Topic: OIL - Why Am I So Scared ??  (Read 4563 times)

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dbug

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Re: OIL - Why Am I So Scared ??
« Reply #30 on: 24 January 2013, 15:01:10 »
Adding ATF to oil is an old trick many people have used for years. It can be harmful to an engine that's under load, because ATF only has a very low viscosity, that's light for bearings in an engine. You can add it and just let it idle for about 30 minutes before draining the oil. Or use a flushing oil or add a pint of kerosine before an oil change - all old tricks, all will "clean" the engine internals.  However the best approach with modern engines is to use a good quality oil and that with regular oil and filter changes will virtually eliminate any engine getting "gunk-ed up."

I would also question what kind of an effect doing this could possibly have on a catalytic converter.

If it was so good pehaps the oil companies, with all their money and technical resources, would have incorporated ATF into motor oils! ::)

IMO about as much long term use as sawdust in a gearbox or diff, or even a chocolate teapot ;)

A true Rustyism  ;)
« Last Edit: 24 January 2013, 15:05:01 by dbug »
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Entwood

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Re: OIL - Why Am I So Scared ??
« Reply #31 on: 24 January 2013, 15:09:21 »
ATF/Flushing oil/Kerosene/Whatever .. anything added to an oil to "clean" the engine is possibly good .. but on one condition and one condition only ..... it must have been used regularly since the engine was first built.

Using it as a "one shot" on an old engine is potentially lethal to the engine ... the "dirt" in the engine will have formed a fairly hard "coating" and will NOT just be a thick "sludge" .. the cleaning agent - whatever it is - does not "dissolve" this coating .. it releases it from the metal in lumps ... any one of these lumps - large or small - can get into an oilway and block it.

From then on the engine life is severely curtailed

As the oilway is blocked no oil flows through and 3 things occur ... no "cleaning" can take place as there is no flow .... followed by no lubrication followed by overheating ....

Not rocket science .. simple physics

Numerous quick oil changes are far better as these will be more likely to dissolve the crud slowly and not release it in lumps.
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