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#3228342 - 12/26/13 02:09 PM Re: Additive that is closest to ARX in effectiveness? [Re: kschachn]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 17567
Loc: Sunny Florida
Originally Posted By: kschachn
Why have you used it for years? What are you doing to your engine to require its use? Assuming it does anything in the first place, of course.

Glad you love it as you are making the sellers happy too. Just explain why you need it so much.

Originally Posted By: gr8gatzby
Have used ARX for years now and have only good experiences to share. Love the stuff. Recently though, I joined the ranks of the unemployed and cannot afford the price of admission. Are there competing additive packs that approach ARX effectiveness and quality, but at a lesser price? Thanks.


This really is an EXCELLENT question.
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#3228396 - 12/26/13 03:04 PM Re: Additive that is closest to ARX in effectiveness? [Re: Shannow]
Clevy Offline


Registered: 11/11/10
Posts: 9782
Loc: Saskatoon canada
Originally Posted By: Shannow
You could (and I have) take some Canola, some methanol (eg heet - I've used anhydrous ethanol before), some caustic, and manufacture RME (Rapeseed Methyl Ester)...google biodiesel soda bottle...AutoRx patent is lanolin, esterised with various alcohols.

Which will be an ester, with very high solvency....in fact changing to high levels of biodiesel in an older fuel system can stir up all sorts of junk.

I've added it to engines for the last 1,000km of an oil change, and had remarkably similar results to my runs of AutoRx...pretty much nothing noticeable.

Oil would need to be thick enough to handle the thinner solvent.



There you go op. Make your own
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#3228865 - 12/27/13 03:45 AM Re: Additive that is closest to ARX in effectiveness? [Re: gr8gatzby]
ac_tc Offline


Registered: 05/06/08
Posts: 597
Loc: sweden
a quart of appropriate redline...here you have all the
esters you need.
My blend: 80-100% HDEO and the rest is redline xw-y (havent found 0w-20 yet, but when i do iŽd use it to thin the hdeo down a bit)
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#3229863 - 12/28/13 09:06 AM Re: Additive that is closest to ARX in effectiveness? [Re: Donald]
Trav Offline


Registered: 11/20/06
Posts: 14040
Loc: MA, Mittelfranken.de
Originally Posted By: Donald
I think a synthetic oil would provide a similar cleaning in a slow manner which is what ARX is all about.


+1 Some of the modern oils like PU, PP and some Mobil 1 have excellent cleaning abilities.
I had an engine apart a few months ago that had lots of varnish and some buildup, the Mobil 1 did a great job. The oil literally had a red tint from the varnish.
It does take time though and is not dependent so much on miles driven from what i saw.
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#3229949 - 12/28/13 11:08 AM Re: Additive that is closest to ARX in effectiveness? [Re: gr8gatzby]
KCJeep Offline


Registered: 06/30/11
Posts: 6379
Loc: Mahzurrah!
The new Castrol gold bottle apparently has some bio-esters in it and would be an interesting candidate for this as well.
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#3235833 - 01/03/14 12:02 PM Re: Additive that is closest to ARX in effectiveness? [Re: gr8gatzby]
gr8gatzby Offline


Registered: 11/22/05
Posts: 597
Loc: Charlotte, NC
Thoughts on LC20?
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#3235860 - 01/03/14 12:13 PM Re: Additive that is closest to ARX in effectiveness? [Re: gr8gatzby]
ChrisD46 Offline


Registered: 09/10/10
Posts: 1327
Loc: GA.
What about MMO or Seafoam - both avilable locally as well ?

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#3235949 - 01/03/14 01:08 PM Re: Additive that is closest to ARX in effectiveness? [Re: gr8gatzby]
MolaKule Offline


Registered: 06/05/02
Posts: 17326
Loc: Iowegia - USA
LC20 will remove carbon over time.

While it does clean carbon, it does not affect seal swell.
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#3236739 - 01/04/14 04:32 AM Re: Additive that is closest to ARX in effectiveness? [Re: Shannow]
sprintman Offline


Registered: 05/27/02
Posts: 11006
Loc: Canberra ACT Australia
Originally Posted By: Shannow
You could (and I have) take some Canola, some methanol (eg heet - I've used anhydrous ethanol before), some caustic, and manufacture RME (Rapeseed Methyl Ester)...google biodiesel soda bottle...AutoRx patent is lanolin, esterised with various alcohols.

Which will be an ester, with very high solvency....in fact changing to high levels of biodiesel in an older fuel system can stir up all sorts of junk.

I've added it to engines for the last 1,000km of an oil change, and had remarkably similar results to my runs of AutoRx...pretty much nothing noticeable.

Oil would need to be thick enough to handle the thinner solvent.


I always go up a grade if using Arx (2 - 2 1/2 bottles), and run it 8-10,000 kms. 1,000 kms is pointless imo.

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#3237209 - 01/04/14 01:28 PM Re: Additive that is closest to ARX in effectiveness? [Re: steveh]
Ken2 Offline


Registered: 12/02/02
Posts: 6358
Loc: Washington St.
Originally Posted By: steveh
All additives are very effective. They all do a excellent job of cleaning out your wallet!!
But, the car runs faster due to your lighter wallet.

If the engine has a specific problem, use the additive that is designed for that problem. Otherwise, save your money and just use any top brand oil.
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#3238728 - 01/05/14 08:17 PM Re: Additive that is closest to ARX in effectiveness? [Re: gr8gatzby]
andyd Offline


Registered: 09/25/04
Posts: 4933
Loc: Marshfield , MA
Heh heh I add a pint of MMO to the oil to thin it for the winter. Any cleaning it does is a bonus. And I spilt a little so I got a good whiff of wintergreen. 6 bux wont break the budget and a pint sure wont kill anything. Happy New Year!
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