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#3415886 - 07/06/14 07:49 AM Re: Cleaning Engine Internals [Re: Trav]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 14710
Loc: Sunny Florida
Originally Posted By: Trav
I'll take some honey roasted peanuts and a six pack. Thanks.


Heck, make some for me, too, please.

It's so great, with the 'support crew' here, you don't even have to type anymore, they do it for us! Keep speaking up for me, boys....
_________________________
"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix

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#3415912 - 07/06/14 08:21 AM Re: Cleaning Engine Internals [Re: Oldswagon]
fdcg27 Offline


Registered: 09/25/09
Posts: 9235
Loc: OH
It didn't take too many posts for this thread to get emotional.
To answer your question, I've used ARx and had good results.
It is rather spendy, though.
I've never tried MMO but I will when and if the need arises.
Same for Kreen.
Enough members report good results with these products that they'd be worth a shot.
Rislone also has its advocates, so might be worth a try, particularly for a lifter tick.
In your position, I'd probably give MMO a try, just to see what happens.
You can try something more agressive, like Kreen, should the MMO fail to produce results.
If this engine has suffered disuse, just putting it back to work with regular changes using any oil will probably go a long way in cleaning it up as well as in eliminating the lifter noise.
Let us know what course you decide on and what results you see.
_________________________
12 Accord LX 22K HGMO 0W-20
09 Forester 64K PU 5W-30
02 Accord 127K G-Oil 5W-30
01 Focus ZX3 98K Synpower 10W-30
95 BMW 318iC 146K Defy 10W-40

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#3415916 - 07/06/14 08:25 AM Re: Cleaning Engine Internals [Re: sprintman]
rockydee Offline


Registered: 03/09/14
Posts: 151
Loc: VA
Originally Posted By: sprintman
I'll stick with RX. And no, I DON'T follow the instructions!


I'm pretty new here, I noticed you're one of the big rx fans. Why not follow directions? If the product was designed and tested Wouldn't the maker of the product know the best way to use it? After all he wants his stuff to work, doesn't he? What gives? If you have a better way of using the stuff why don't they use your way for their directions? Wonder'in that's all, looking for an answer not a harpoon attack here. Cheers.

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#3415918 - 07/06/14 08:31 AM Re: Cleaning Engine Internals [Re: Trav]
Mystic Offline


Registered: 03/05/03
Posts: 7432
Loc: Colorado
Yeah, that is what sprintman was saying alright. Drive it hard 6000 miles AND use two bottles instead of just one. Like sprintman says, he does not follow directions. Apparently it takes two bottles and not one and the stuff is kind of expensive.

And of course sprintman was the guy who allegedly proved that Auto-RX works with his compression testing. No need for any additional testing. He did all the testing required.

And people wonder why I stopped using Auto-RX years ago?


Edited by Mystic (07/06/14 08:32 AM)

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#3415925 - 07/06/14 08:40 AM Re: Cleaning Engine Internals [Re: Mystic]
Mystic Offline


Registered: 03/05/03
Posts: 7432
Loc: Colorado
It was the behavior of the guys who promote Auto-RX that made me stop using the product more than anything else. And their behavior is on display now. Their behavior speaks for itself.

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#3415931 - 07/06/14 08:47 AM Re: Cleaning Engine Internals [Re: Oldswagon]
SHOZ Offline


Registered: 06/28/03
Posts: 1710
Loc: Illinois
I used ARX once and it did the job quite well. I did use two bottles but over a three oil change at 5k miles per OCI. The middle change was straight oil, no ARX.

Worked a miracle actually. Went from using a quart of oil every 500 miles to a quart in 5k miles.

I would not consider it a product to use for regular maintenance though. This was on a used engine that obviously did not get proper oil change maintenance before.

I saw elsewhere on this forum some use Kreen. I would think that product would work well too.

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#3415938 - 07/06/14 08:53 AM Re: Cleaning Engine Internals [Re: Oldswagon]
GaleHawkins Offline


Registered: 01/06/14
Posts: 288
Loc: Murray KY USA
Originally Posted By: Oldswagon
What is the general consensus about the best additive to help clean an older sludged engine? I am helping someone clean an older pushrod V8 with a carburetor that has a some sludge due to lack of use and a very slight lifter noise.

Would Auto RX be a good choice? Or maybe something solvent based? Maybe just run a HDEO? Obviously being an old engine I wouldn't want to damage any seals either.

Any opinions?


If you are serious about getting it clean without loss of good lube by cutting the weight of the motor oil just start using Mobil 1 10W-40 High Mileage in an old gas carbed engine to clean it up over time and protect the seals.

I saved a 2003 GM 5.3L engine from loss of oil pressure due to the known issue of the oil pump pressure relief valve sticking OPEN. I did use 8 oz of Seafoam in an new dino oil change for 160 miles that helped with NO oil pressure on a hot start up and it was thin and black but it was after running the Mobil 1 HM that the oil gauge needle stopped jumping around when driving at 3000 RPM on the interstate locked out of OD.

Follow the warning Mobil puts on High Mileage bottles when moving to it in old engines.


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#3415950 - 07/06/14 09:01 AM Re: Cleaning Engine Internals [Re: GaleHawkins]
Mystic Offline


Registered: 03/05/03
Posts: 7432
Loc: Colorado
Yeah, it is probably a very good idea just to try a good cleaning motor oil first before you try anything else. Some Pennzoil synthetic motor oils and Mobil 1 are supposed to clean very well. It would probably be a good idea for a guy with a dirty engine to try short OCIs with something like Mobil 1. As long as the engine is not a leaker, because otherwise it might leak even worse.

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#3415960 - 07/06/14 09:13 AM Re: Cleaning Engine Internals [Re: Mystic]
rockydee Offline


Registered: 03/09/14
Posts: 151
Loc: VA
Originally Posted By: Mystic
Yeah, it is probably a very good idea just to try a good cleaning motor oil first before you try anything else. Some Pennzoil synthetic motor oils and Mobil 1 are supposed to clean very well. It would probably be a good idea for a guy with a dirty engine to try short OCIs with something like Mobil 1. As long as the engine is not a leaker, because otherwise it might leak even worse.


These things are last resort products for me. If short ocis and good synthetics don't work I break out the mmo, or if I have a project car, or help a friend with a problem. Otherwise the Marvel stays at Walmart till the next time I need it. No need for any of this stuff in a healthy well maintained engine.

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#3415973 - 07/06/14 09:37 AM Re: Cleaning Engine Internals [Re: rockydee]
Mystic Offline


Registered: 03/05/03
Posts: 7432
Loc: Colorado
Pennzoil was claiming that the Pennzoil Ultra is very good at cleaning. The problem I have with Pennzoil is that I could never find the Pennzoil Ultra anywhere in my area. I get very tired of the Pennzoil games of advertising this Ultra oil and a person cannot find it. If somebody could actually find some of the Pennzoil Ultra well great.

So that is the reason I say Mobil 1. At least a person can find the Mobil 1 and it is supposed to clean well also.

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#3415993 - 07/06/14 09:58 AM Re: Cleaning Engine Internals [Re: sprintman]
Trav Offline


Registered: 11/20/06
Posts: 9599
Loc: MA, Mittelfranken.de
Originally Posted By: sprintman
Originally Posted By: Trav
Yeah we know. Drive it 6K miles like a Kamikaze pilot on crack and it works fine.


Oh dear.........one day you'll grow up but we won't hold our breath.


I think you have been holding your breath too long already. LOL
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#3416009 - 07/06/14 10:23 AM Re: Cleaning Engine Internals [Re: SteveSRT8]
Trav Offline


Registered: 11/20/06
Posts: 9599
Loc: MA, Mittelfranken.de
Originally Posted By: SteveSRT8
Originally Posted By: Trav
I'll take some honey roasted peanuts and a six pack. Thanks.


Heck, make some for me, too, please.

It's so great, with the 'support crew' here, you don't even have to type anymore, they do it for us! Keep speaking up for me, boys....


Yep i had six Schneider Weisse and Nürnberger Bratwurst on rolls with hot mustard last night then honey roasted peanuts with beer.
For lunch today Rouladen with Kloßteig and a few bottles of Spitfire, life is good.

They are all on board digging their own holes as usual. They can keep digging while i have a nice lunch.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#3416010 - 07/06/14 10:23 AM Re: Cleaning Engine Internals [Re: Oldswagon]
dave5358 Offline


Registered: 04/25/13
Posts: 616
Loc: North Bend
Originally Posted By: Oldswagon
What is the general consensus about the best additive to help clean an older sludged engine? I am helping someone clean an older pushrod V8 with a carburetor that has a some sludge due to lack of use and a very slight lifter noise. Would Auto RX be a good choice? Or maybe something solvent based? Maybe just run a HDEO? Obviously being an old engine I wouldn't want to damage any seals either.

Why not try these steps. Put in a quality synthetic oil. M-1 is good, but most brands should work. Drive the car a few hundred (or thousand) miles. Then, when the engine is very hot, drain the oil. If you can angle the vehicle to get more drainage (e.g. lower the oil drain hole) that will help. Let it drain as long as anything comes out - 30 minutes or an hour or overnight.

You might repeat the above steps a second time.

If you are determined to try something more aggressive, you could add a quart of MMO to the oil. It is very thin - about like 10w oil. The thin nature of MMO might help cleaning, plus it has a high solvent content. Again, drive a few hundred (or thousand) miles, drain the oil when the engine is very hot.

Do the above steps first. The only other thing you might try is dropping the pan and cleaning the pan while off the engine. That's where most of the crud will end up - particularly after doing the above.

At that point, refill with a good quality synthetic oil, most of which are high detergent and will attract and hold crud in suspension. Any crud that remains in the engine should come out with subsequent oil changes.
_________________________
2006 Forester XT
2008 Corolla LE

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#3416033 - 07/06/14 10:58 AM Re: Cleaning Engine Internals [Re: dave5358]
rockydee Offline


Registered: 03/09/14
Posts: 151
Loc: VA
Originally Posted By: dave5358
Originally Posted By: Oldswagon
What is the general consensus about the best additive to help clean an older sludged engine? I am helping someone clean an older pushrod V8 with a carburetor that has a some sludge due to lack of use and a very slight lifter noise. Would Auto RX be a good choice? Or maybe something solvent based? Maybe just run a HDEO? Obviously being an old engine I wouldn't want to damage any seals either.

Why not try these steps. Put in a quality synthetic oil. M-1 is good, but most brands should work. Drive the car a few hundred (or thousand) miles. Then, when the engine is very hot, drain the oil. If you can angle the vehicle to get more drainage (e.g. lower the oil drain hole) that will help. Let it drain as long as anything comes out - 30 minutes or an hour or overnight.

You might repeat the above steps a second time.

If you are determined to try something more aggressive, you could add a quart of MMO to the oil. It is very thin - about like 10w oil. The thin nature of MMO might help cleaning, plus it has a high solvent content. Again, drive a few hundred (or thousand) miles, drain the oil when the engine is very hot.

Do the above steps first. The only other thing you might try is dropping the pan and cleaning the pan while off the engine. That's where most of the crud will end up - particularly after doing the above.

At that point, refill with a good quality synthetic oil, most of which are high detergent and will attract and hold crud in suspension. Any crud that remains in the engine should come out with subsequent oil changes.


For such a short interval I'd use something more powerful like Kreen. I don't think a good synthetic, or oil spiked with mmo will do a whole lot in such a short interval. Been there done that. But hey give it a shot and report back.

I'd add mmo about 1k miles before the oci, dump it. Then run mmo the full oci. Different strokes for different folks.

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#3416058 - 07/06/14 11:17 AM Re: Cleaning Engine Internals [Re: Trav]
Mystic Offline


Registered: 03/05/03
Posts: 7432
Loc: Colorado
The Auto-RX crew never seems to understand that to sell a product you have to have good customer relations. And of course a product that works.

So yes Trav, might as well enjoy yourself. I will be gone for a while here soon. Yesterday I was gone for a while and Trajan went after me. Maybe somebody will go after me today.

Some of the stuff that is said is so illogical I don't know how to respond. Like a guy blaming me for encouraging him to use Auto-RX and he likes Auto-RX and says that it works. Say what? If he likes Auto-RX and encourages other guys to use it why does it matter if I (the guy he said encouraged him to try it) still use it or not?

And then he can't make up his mind if he actually used Auto-RX or not. In the very same reply he says that he tried it and that he never used it. Say what? I really don't know what to say about that. Maybe he means that he tried in once or twice or whatever but does not use it now. But I should not have to write for him.

And of course a person is never allowed to change their mind about a product. And if you liked a product in the past but it has been years since you used it and you don't like the product any more, you will be reminded forever that you liked the product in the past.

So you might as well enjoy your beer and your food.

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