ARX in my 3.0 Caravan

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Don't sweat it sprintman, this thread is already ripe with assumptions and jumps to conclusion.

The recommendation to not use a Pureone with the ARX is a good one IMO. Another FYI is Mopar filters are dressed up Purolator Premium plus with a better ADBV/BP valve.
 
Thank you dbdeland, TaterandNoodles and sprintman for the warm welcome and your kind support.
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I most surely do value all of your comments.
 
Hi TaterandNoodles

I am glad to hear that Mopar has switched back to a good filter. I understand they have switched back and forth a lot over the years. I bet bad filters and oil, cost them in the long run, because of warranty claims later on.

Oh, and sprintman, I know your heart was in the right place, and I appreciate you bothering to clue me.
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I hope your tummy gets better soon.
 
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The company I worked for had a Dodge Caravan 3.0 engine which I believe was a Mitibshie not sure if it is spelled right but is was sludged up at 46,000 miles and had to be replaced Dodge replaced it with a 3.3.engine also the oil changes were done by Dodge.Engine was replaced at no charge to our company.




Hi there,

I really want to thank you for your support.
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The Mitsubishi 6G72 SOHC V6, while not known as a sludge monster, can definitely sludge up a little just as any engine can under the wrong circumstances.

It has only been about 85 miles since I poured in ARX two days ago. But I guess all the extremely brief OCIs with Grp III oil, which is what finally convince me to try ARX, has prepared my engine to get results fast.

I notice tonight that my engine is already even quieter than it was before. Apparently my hydraulic lash adjusters (lifters) also weren't as clean as I thought they were. I notice that it idles smoother and takes the throttle a little faster now too.

I am very impressed thus far with Auto-Rx.

Frank is a genius!
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Welcome Oilgal! I am another satisfied user of the ARX product. I have seen great results in many vehicles-smoother running and more powerful engine response. I now use the maintenance dose in all personal vehicles and it is well worth the money. Got several car buddies hooked on it now, too! We gotta cut Frank some slack at times. He will occasionally misunderstand the described situation at hand, but he certainly means well in his responses, and he has one of the best additives out there IMHO. Cool minivan!
 
Hi bmwtechguy

Thanks so much for the welcome. Frank is cool with me. You gotta love those geniuses.

It has been only three short days since I poured in ARX, and my spouse and I both have noticed, that the minivan runs smoother at idle and is noticeably quieter. I did not expect to notice anything so soon! This stuff Frank came up with is absolutely amazing.

Thanks for the compliment on my mini monster.
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I had the Mitsu 3.0 in my 93 Sundance and it was a fantastic engine. With the 5-speed, it suprised a lot of folks with cars that cost twice as much. Sorry to hear about your sludge problems..that's odd.

I did religious 3K mile OCIs on it with Castrol 10W-30 and it was running strong and clean 4 years and 75,000 miles later when I traded it. Because of it's 'spunk' and unfailing reliability, I kept that car longer than I've ever kept any other. It got a new battery in 1996 and that's the sum total of repairs. I would have kept it longer but it was needing a timing belt, brakes, and a clutch before too long and I didn't have the cash back then. I still miss that car. What a sweet V6.
 
I think the ARX has some lubrication properties as well as acting as a cleaner. I think I remember reading that from the patent application for the ARX. As an example, my car instantly became easier to start right after putting in the ARX. That couldn't be from any cleaning properties because nothing had been cleaned yet. I suggest you check out the patent application for more information for more information.
 
This causes me concern about Mobil1 (and perhaps any synth (?)). I ran M1 in my 98 Sienna for six years straight (avg 8k OCIs) - I was always impressed that the oil would still be at medium amber out close to 5k (even w/ the last M1 fill). Yet I apparently developed gummed oil rings (had very high oil consumption at the end of that six years - 1qt in first 1k of OCI). I've knocked the oil consumption down by about half using a run of Neutra 131 (500 miles w/ 16oz Neutra in the oil). I'm now using Schaeffers oil and the oil has dirtied up quick (possibly since this is basically a rinse after the Neutra run).

I've debated back-n-forth about giving it a run of A-rx and cheap dino. I was planning on another Neutra run to see if I could knock the consumption back a bit more - but I may give the A-rx a chance at it.
 
BTW, the 98 Sienna has a proven sludger in it, so I'm not critizing M1 across the board - but if I had to do it again, I'd probably do it the same (use M1) - but probably would've done a cleaning run of Neutra or A-rx every couple of years.
 
Coked rings are unavoidable in many cases over the long term. That won't necessarily show up in mounds of sludge in the engine. It may not even show up as excessive consumption. It doesn't mean that you can't see benefit from treating it. That's why Frank generically recommends Auto-Rx after 50k. Sure it's fun to see the clean up process and whatnot for the added feel good factor ..give you a feeling of visible value ..but the benefits can go beyond that and can surely be apparent even in a visibly clean engine that has no odd ticks or clicks or whatnot.
 
Exactly. Our Outback runs noticeably better after latest RX clean even my wife mentioned it. It's a very well maintained vehicle and only 115,000kms which isn't a lot. Ran Delvac 1 and Redline 5W30 in the past, oils that keep an engine reasonably clean. Maint dose in now.
 
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This causes me concern about Mobil1 (and perhaps any synth (?)). I ran M1 in my 98 Sienna for six years straight (avg 8k OCIs) - I was always impressed that the oil would still be at medium amber out close to 5k (even w/ the last M1 fill). Yet I apparently developed gummed oil rings (had very high oil consumption at the end of that six years - 1qt in first 1k of OCI).




I think that if after 5,000 miles, the oil drained out so clean, it means that your engine was either clean inside, or Mobil 1 was not able to remove the type of deposits that were still in your engine. By any chance was your engine on dino oil before you started using Mobil 1?


I ask because that is exactly what happened in my case.

I bought a 1995 3.0L V6 Caravan, with 46K miles on it, just 4 months after the 5 years 'or' 50K mile warranty expired. It had been dealer serviced under warranty, and they always put dino oil in it.

Without knowing any better, I changed the oil to Mobil 1 immediately after buying it, and apparently Mobil 1 did not clean out the dino deposits from the 5 year dealer service period.

Mobil 1 is not bad oil. It just has a different chemistry than dino oil, and it is not formulated to remove dino oil deposits.
 
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I had the Mitsu 3.0 in my 93 Sundance and it was a fantastic engine. With the 5-speed, it suprised a lot of folks with cars that cost twice as much. Sorry to hear about your sludge problems..that's odd.






I agree. The 6G72 Misubishi 3.0L is a great engine. They produce a lot of torgue and they are very hearty. I think their PCV system is a little weak though.

Here is a picture of my 3.0L.

photo-34595.jpg
 
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