A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Couldn't find AutoRX in a store locally so I picked up Marvel Mystery Oil instead. Can I use

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Old Oct 30, 2006 | 10:02 AM
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Default Couldn't find AutoRX in a store locally so I picked up Marvel Mystery Oil instead. Can I use

it like I planned to use AutoRX? Run it a month (around 1500-2000 mi) in the engine changing the filter half way through?
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Old Oct 30, 2006 | 11:04 AM
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Default I would use B&G QuickClean- it's a much better product.

Make sure you follow the directions and I wouldn't run it for that many miles.
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Old Oct 30, 2006 | 11:05 AM
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Something about the word "Mystery" in a product that goes in my engine...doesn't sit well with me...
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Old Oct 30, 2006 | 11:13 AM
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Search on it. Its a very proven product.
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Old Oct 30, 2006 | 11:20 AM
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Default I think the deal with Auto-RX is that it works slowly...

so it doesn't break anything loose to clog your oil passages.
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Old Oct 30, 2006 | 11:20 AM
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I would still go with B&G- proven to be some of the best products out there.
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Old Oct 30, 2006 | 11:24 AM
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Default This is post-B&G engine flush, so I might get some and toss it in when I change the filter

in a couple weeks.
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Old Oct 30, 2006 | 11:27 AM
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Default Mail-order.Use the MMO for a while, it works.Good uses are intake w/Seafoam & for piston so

discount code ARXF1 might work.

Piston soak is poured into sparkplug holes 2-3 oz with a solvent and let sit after cranking without plugs (no hydrolock, towel over holes). Also mixed with seafoam/berrymans during the intake clean, load it up with MMO and turn the engine off. Let that **** soak in and then finish the treatment with solvent (seafoam).
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Old Oct 30, 2006 | 11:28 AM
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Default Hmm. Would you recommend I add MMO now or after I change the filter in two weeks?

Also, I have a small and large Mahle filter. Which of the two should I use first?
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Old Oct 30, 2006 | 11:30 AM
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I hear ya, totally old school.However, stoddart solvent is pretty effective.Several uses, it works
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