Originally Posted By: MolaKule
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It seems to me that auto-rx is basically a concentrated dose of the detergent esters found in all oils, especially synthetics. Not that this is a bad thing. I’m sure there are some differences between the various esters, of course.
Just as there are different types of lubes for different applications, there are different esters for different applications.
There are major differences in chemistries and results between the various esters used in motor oils and the esters found in AUTO-RX.
Well sure. That’s what I meant when I said this:
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I’m sure there are some differences between the various esters, of course. For example, oil manufacturers need to consider longer OCI’s, while auto-rx only needs to run for 2,500 miles or so. The chemistry of auto-rx can be modified to reflect this.
There are other considerations besides OCI’s, which is why I said “for example” before that particular consideration. Auto-rx can take all these considerations into account, and change the chemistry of the esters accordingly.
Every oil manufacturer has their particular form(s) of detergent. I’m sure each manufacturer would tell you that theirs is the best, but clearly some work better than others. Frank has found/developed one that works very well. Perhaps it is the best of all of them, I don’t know. You’d have to do a controlled laboratory experiment of each of them, at the same dosage (which is a key element), same conditions, etc, to say which is best, but I’m sure auto-rx would be near the top of the charts.
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Motor oils, synthetic or not, over any time interval cannot achieve what Auto-RX does, even in a maintenance dose during extended OCIs.
Again, “well sure.” Nothing in my original post contradicts this. Auto-rx is a concentrated dose of a proprietary detergent.
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I would say that none of the ingredients of ARX are found in 99% of the available motor oils for gas and diesel powered motors.
One more time: “well sure.” There is a patent on auto-rx, so it is certainly not found in available motor oils. But motor oils do have detergents in them.
The original poster said this:
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The way I feel about it is that it's basically a concentrated shot of all the cleaners normally found in typical motor oil.
I agreed with this, but perhaps it would be better so modify it slightly:
The way I feel about it is that it's basically a concentrated shot of [a proprietary] cleaner [similar to the cleaners] normally found in typical motor oil.