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doug4.7
Dodge Dakota
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4/02/2003
19:39:53
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 Subject: Synthetic = bad ??
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I recently had my oil changed at the dealership and asked that they put synthetic oil in my 4.7 ’03 Dakota Quad. I was told by the service manager that putting synthetic in a engine designed for dino oil (like the Dakota) would be BAD for the engine and would cause it to leak oil. It was okay for the Viper as it was designed for synthetic, but not for the Dakota. Since they could have charged me $$$ for the synthetic, I don’t see a profit motive for them not wanting to put synthetic in my engine. Is there any truth to this?
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2001-4.7
Dodge Dakota
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4/02/2003
19:43:00
|  RE: Synthetic = bad ??
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I have use syn. oil for over 40,000 miles in my 4.7 Zero leaks
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kennungesser
*GenI*
4/02/2003
20:20:58
| RE: Synthetic = bad ??
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Naw , you can use it. I have since the first oil change. My Father inlaw used it in a 1982 diesal Rabbit vw truck , and he had over 260,000 miles on it. Darn thing could not get out of its own way , but it ran FOREVER!!!! And no oil leaks.
The service Mgr. needs to do more homework.
Kenneth L Nungesser
"We are determined to defend our lands and, if it be the "Great Spirit's" will, we wish to leave our bones upon them."
Tecumseh, Shawnee Chief 1813
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Hammerdak
Dodge Dakota
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4/02/2003
20:54:41
|  RE: Synthetic = bad ??
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The only thing I've heard(and it may not be true)
is that you should not start using synthetic oil after you've used "dino-oil" for more than 20,000 miles or so.
Something to do with chemical reactions in the "seasoned " engine.
So ,if you're going to use it, start ASAP after new.
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2001-4.7
Dodge Dakota
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4/02/2003
20:59:24
| RE: Synthetic = bad ??
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The reason why you dont use SYN oil in an older engine that has dino oil is because the dino oil leaves deposits that the syn will loosen and circulated through your engine. You can avoid this by changing your Syn after 100 miles the first time you switch over.
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Fubar512
GenIII
4/02/2003
21:38:42
| RE: Synthetic = bad ??
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Doug, don't believe what that dealership hack told you. Quite a few on this board have been using synthetic engine oil, tranny fluid, ps fluid, and rear end (gear oil), for years, with no problems. I myself have been using synthetic oil since the mid 80's, on all my vehicles, and I'll never go back to dino oil.
I'm sure the Amsoil Sponsor will see this post, and respond. He'll do a better job of filling you in on all the benefits of synthetic lubricants then I ever can.
Confucious say: Any man can pee on wall. Be a true hero and crap on ceiling! I've tried being a hero once too often...
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jeremiah2360
Dodge Dakota
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4/02/2003
22:09:55
|  RE: Synthetic = bad ??
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it good you search see heapum posts
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doug4.7
Dodge Dakota
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4/02/2003
22:17:50
| RE: Synthetic = bad ??
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That is what I thought. I had a 95 Dakota that I used synthetic and it never leaked anything but a lot of coolant. Now I am just curious WHY he told me the lie. I could see a profit angle (use only DC products or your truck will disolve...), but they had the synthetic DC product to put in my Quad Cab. The guys at the shop "seemed" to know what they were talking about (on towing issues and such). Now I am not so sure. Thanks for the responses.
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DAK2
*GenIII*
4/02/2003
22:32:41
|  RE: Synthetic = bad ??
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Man could I tell you about oil and engine probs.
PLEASE stay with the SYNTHETICS. Whether IT BE
Mobil ,Amsoil,Castrol or Shell.The Syn's are much
better. I myself prefer Shell Rotella Synthetic.
Y2K DAK 3.9L 5 Spd OS/2 Keeps going&going&going
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BigBlue QC
GenIII
4/03/2003
07:43:24
| RE: Synthetic = bad ??
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Message:
It's amazing morons like that have jobs. 60,000 miles, all AMSOIL, many analysis's done, the word I just got from my last test from the tech at the company that does the analyzing "you have a really good truck there that is in great shape."
Again, what idiots.
2002 QC 4x4 Sport Plus, 4.7L, auto, Patriot Blue, Tire & Handling group,
Heavy Duty Service group, Leer cap w/out windows, Mopar Step bars and roof rack, Rhino liner in bed and on step bars, Pace Edwards Power Tailgate lock
3.55 rear, 4-wheel anti-lock brakes, all possible fluids are AMSOIL
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Deep Purple
Gen III
4/03/2003
08:04:12
| RE: Synthetic = bad ??
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Message:
The viper V10 is a 360 with more cylinders. No special made gaskets, except longer. I use synthetic oil in my 3.9 Dak and have had no problem. Service managers as a whole have a narrow knowledge of mechanics. So I would want a second opinion on this one too.
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Texas Todd
Dodge Dakota
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4/03/2003
11:16:49
| RE: Synthetic = bad ??
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HOld the phone guys,
Just cause it says 'synthetic', it still may be just refined dino oil!
I'm sure the Amsoil guy will back me up here!
The Mobil 1 super syn, is
ALL synthetic, as is AMsoil,
but almost all others are a refined dino oil-they won a lawsuit about using the term if their dino oil was further refined somehow.
Beware what you got!
And I agree, the true syn stuff is still good for the dak engine!
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Larry L
Dodge Dakota
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4/03/2003
11:25:35
| RE: Synthetic = bad ??
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Here is the technical answer to your question. On an 03 engine you can use synthetic if you want and there will be no leaks that can be attributable to it. Depending on the synthetic,( no, they are not alike)it will have a PAO and ester basestock. The PAO's do nothing for seals and alone,the seals would shrink and you would have leaks. The esters that are mixed in causes the seals to swell just like dino. On an engine that has been rigorously maintained, you can switch at anytime or mileage. On an engine that you don't know the history on it's best to stay away from synthetics. It will clean an engine and the seals won't make the transition.
To explain the differences in synthetics, some are PAO's and ester based as stated above. But some are a Group III dino and legally so. The Group III's are made from the sludge leftover from refining. Before you think it's garbage, it is the best that dino can offer with todays technology. It will almost mirror the other synthetics from a lubrication stand point. The PAO's however, will be more diverified in the temperature extremes. PAO's are also made from petroleum basestocks.
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AmsoilSponsor
DakotaEnthusiast
4/03/2003
12:01:03
| RE: Synthetic = bad ??
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I am posting on behalf of Steven Roark, Amsoil Sponsor. He has asked me to monitor this board in his absence. A member of his family is in the hospital at the moment and he is unavailable. When he returns he will provide you with the information that you are looking for.
Thank You, (especially Larry for the well wishes).
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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Fubar512
GenIII
4/03/2003
15:42:33
| RE: Synthetic = bad ??
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Off Topic, but my prayers go out to Steven's father, hoping that he makes and quick and complete recovery.
Confucious say: Any man can pee on wall. Be a true hero and crap on ceiling! I've tried being a hero once too often...
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doug4.7
Dodge Dakota
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4/05/2003
21:07:26
| RE: Synthetic = bad ??
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Thanks for the feedback and the oil chemistry lesson (oh no, I’m back in school…). I now see WHY I was told it was BAD to use synthetic and why it is actually OKAY to use it. I just have to keep my PAO’s and esters in line. The service manager was not lying (I will give him the benefit of the doubt), but simply misinformed. Now all I have to do is figure out how to mount a bypass oil filtration system in my truck.
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chris
Dodge Dakota
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4/05/2003
21:16:55
| RE: Synthetic = bad ??
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heres how it works plain and simple.
warrenty or otherwise the dealer wants to move product ,he cant do that if you taking good preventive measures to ensure that you vehicle well require a little less maintainence or repair. from his stand point he is probably gambling that you are a nieve idiot and that he is the truck god. but in reality the moron just lost a customer by playing you for a dummy.
pour on the good syn oil and keep the engine pumping.
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Dr. D
Dodge Dakota
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4/06/2003
16:00:11
| RE: Synthetic = bad ??
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Doug4.7 ,
I have been using AMSOIL for many, many years in many different vehicles that I own and I have had (and WON) MAJOR battles with service managers concerning the use of Synthetics.
The Dodge Dakota (as well as any other truck) regardless of year will benefit from the use of synthetics.
On another note :
For nearly thirty years Harley-Davidson has been telling it's customers that none of it's engines and transmissions were ever designed for the use of synthetic lubricants (regardless of brand) and that synthetic lubricants could actually shorten the engines life. Now Harley-Davidson has it's very own synthetic oil on the market and denies that they ever made those claims .... Go Figure !!
Dr. D
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