ARX in my 3.0 Caravan

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Dang! I pushed the wrong button and that posted prematurely.

Well anyway. I have always taken good care of mine.

Please read my last 3 posts.
 
Bought the '98 Sienna in 2001 w/ 62k on it. Previous owner is big time Pediatric specialist doc here in LR (ie, he's got his wits about him) - he claimed OCIs all the way down to 2k - though the maint notes were sporadic and I saw 3k and 4k intervals and plenty of blanks that may have been longer (or shorter (?)). The sticker on the window showed he was using dino.

The interesting thing is, M1 HM bold faced, no two ways about it, claims it will clean sludge from dino engines (chk their web site). They even state that if you using M1 HM in an unmaintained engine, that you should do "short OCIs" for the first few OCIs. Their web pages states these as 3k OCIs, but their FAQ page says do 5k during the clean up process. I like that statement - M1 claims 5k is a "short OCI". That a confident claim in your oil.
 
BTW, I've never used M1 HM in my Sienna - just wanted to pt out a Synth that claims dino cleanup.

I'm waffling on my own continued clean-up process for the Sienna (Neutra vs. A-rx). It's now at 1/2 qt conumption at 1k - that's better but still bad. The mastertech (on BITOG) that lined out the Neutra plan told me to run multiple OCIs (of short duration) and drop in 12oz Neutra in the last 500 miles of each. I only did this once and then got impatient and wanted to test things with a fill of Schaeffers. I'm now wishing I had continued with his plan (and now plan to). I'm still brooding on going w/ A-rx, but the plan d'jour is to drop Neutra in before the thanksgiving travels. Do the 500 miles and then repeat the process one more time in the winter. I've got about a half-gallon of Neutra left - though I plan to start using it as an ongoing gas tmt, so I'm not trying to get rid of it here - but it did give me good results on that first run in the crankcase.
 
Forgot to give credit where credit is due - that last Neutra run was immediately followed by a 25 min Amsoil flush - I wanted to blast the stuff while it was possibly in a softened state. I doubt the efficacy of Solvent cleaners in situations like this, but using it as a follow-up to Neutra seemed good. However it convolutes things as to which was responsible for the good results - the Neutra or the Amsoil flush. Though I suspect Neutra carried the day.
 
Mobil 1 HM may do as claimed. I don't know. I do know that plain Mobil 1 does not clean dino leftovers, and the fact that Mobil now has their HM version, which they claim will clean dino droppings, really just confirms that Mobil 1 will not.

It was my old fault. I didn't know any better. But it was still my own fault for not cleaning out the dino before using M1.

I hope your plan works for you. As for me I will go with ARX. From what I have seen so far, the stuff is truly amazing, and it is safe to use.

When I finish cleaning it up, following the ARX instructions to the letter, I am going to use a good Grp III like Valvoline Synpower. Some pretty smart people recommend that over more expensive synthetic Grp IV/V s for a street car.

bon chance!
smile.gif
 
UPDATE:

I can't believe ARX is doing so much good in so short a time.

I had to go out for a few things tonight at about 11:30. Last minute shopper. Only my spouse has driven it since Sunday. I noticed right away, that the idle is even smoother and quieter, than the last time I drove it.

On my way to the store, I noticed it was very noticeably stronger, and then I thought, no way, it had to be my imagination. It's that automotive placebo effect kicking in. Well there was almost nobody else out there. and so I did a little "testing", and WOW
shocked.gif
what a difference!

My engine even sounds different now. Louder meaner and throatier. When I finally punched it, the tach jumped past redline so fast, it totally surprised me. So I backed out of it immediately, and the sound was amazing!

Need I say that I am getting better manifold vacuum now? It has gone from 18-19 to 20-21 InHg already! My rings are already decoking! At throttle let off, for engine braking, it gets 29 InHg now also, and that way is better that the 26 InHg it used to get.

I know what a 10 to 12 hp gain from doing a good modification feels like, and this feels like more. It also idles, so smooth and quiet now, even my spouse commented again about that tonight after driving it home from work.

I hope my fast results, aren't outside the norm enough, to make people think I am exaggerating. I read it takes quite a while to see results. I guess it was all those extremely short OCIs back to back recently.

Frank you are A ----!
bowdown2.gif
FRANK

throwroses.sml
 
Quote:

UPDATE:

At throttle let off, for engine braking, it gets 29 InHg now also, and that way is better that the 26 InHg it used to get.



Click to expand...


opps!
blush.gif


That should read 22 InHg and 24 InHg respectively. I need new glasses.
 
Quote:

The benefit of the original inadequate 750 mile clean going to 2,500 miles. Drive it hard oilgal RX likes it...s

Click to expand...

I just had a similar experience. After 600 miles into the clean phase my car is already definitely running smoother. I was experiencing signficant front-end shaking on hard acceleration. It has improved a little bit already. Some of you may think it's just my mind playing tricks on me, but I assure you it's for real.
 
I have worried people would think it was all in my head too.
grin.gif


Other than my idle coming up, in the last two days, nothing noticeable has happened lately. I expected things to level off for a while though.

500 miles into the clean phase so far.



I love the new forum GUI! I think it's Linux.
 
They got cut in the editing room. Take two, 'gal
grin2.gif



It will go up and then down to, hopefully, much lower.
 
Over 1400 miles into the clean phase now. Looks like ARX is doing some serious cleaning and carbon removal. My pillar mounted vacuum gauge, also clearly shows that ring seal has continued to improve, after things began to level off about 700 miles ago.

The oil on the dipstick has never before looked the way it does now. It is super dark reddish brown, with tiny black particles, dispersed evenly in suspension throughout. I believe the black granules are carbon traces.

I have to admit, this all makes me a little nervous, despite the reassurances about this I have read. I wonder if I should change the filter. Frank would that be OK, bad, or just plain unnecessary?
 
My thoughts:

If you're nervous perhaps just change the filter. I would think that visible black particles should be trapped by your filter. Their presence in the oil might mean your filter is on bypass more than it should be.
 
Originally Posted By: Craig in Canada
My thoughts:

If you're nervous perhaps just change the filter. I would think that visible black particles should be trapped by your filter. Their presence in the oil might mean your filter is on bypass more than it should be.


You're right. I figured it would be a good idea. I didn't think of that though. Thanks.
 
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