Anyone ever see Amsoil sludge?

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In the old days of toyota sludgemonsters, there were rare instances when engines sludged up badly when owners followed the 25,000 miles oil intervals Amsoil was pushing back in those days.
 
Originally Posted By: **** in Falls Church
I know of three ways AMSOIL can thicken--

Coolant in the oil will cause thickening.

Excess fuel in the oil will cause thickening.

High nitration will cause thickening (often a bad EGR system).

In every case that we've sent a sample in because of suspected problem, one of these three came back as the culprit (or the indicator)



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In the old days of toyota sludgemonsters, there were rare instances when engines sludged up badly when owners followed the 25,000 miles oil intervals Amsoil was pushing back in those days.


But that was due to engine design and not the oil.
 
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