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23:26:15 - 12/19/2024
V6 Dakotas
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spl_kota
Dodge Dakota
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3/18/2008
23:47:07
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 Subject: best oil?
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I've heard a lot of talk about amzoil on here but like the pennzoil I've been using. My question is that my 3.9 has 134,000 on it and I was wondering if using Pennzoil Platinum Syn. or Mobil 1 Syn. would be better. I have been using Pennziol high mileage but have heard that the synthetics are better. And I don't have a amzoil dealer around, so the other two are better choices for me. Thank you for any information.
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Bedog8
Dodge Dakota
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3/19/2008
07:55:03
|  RE: best oil?
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Message:
You are nuts asking that question here this will start a flaming contest on this thread.
There is a lot of talk about which oils are syntheatic and which are just extra refind crud oil. Yes syntheatic is better but it seens to be hard to geat a streat answer here as to which is syntheatic and which is not. If I where you I would try difrent syntheatic oils at each oil change and just see what you think and make a disition on which works for you considering performance and cost.
I curently have Mobil 1 in my truck but the next change is getting Royal purple. They are the only ones that post dino tested improvments but the stuff is expensive.
You can addd a quart of syntheatic now it will act like a cleaner for you next oil change "it will not hurt your moter, or you could dump some sea foam in the crank case just before you change your oil. it acks like a cleaner. READ THE DIRECTIONS BEFORE YOU USE IT!
That is my two cents
good luck.
Brandon Damon
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Jimmy9190
Dodge Dakota
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3/19/2008
08:33:11
| RE: best oil?
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A good place for all the info on oil you could ever want to read: www.bobistheoilguy.com and click on forums. A lot of info on oil and filters, wax, maintenance, repairs, rifles, shotguns, computers, hound dogs and God only knows what else in their forums there.
Jimmy
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Professor D
Dodge Dakota
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3/19/2008
20:42:10
| RE: best oil?
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I think you would be better off to stick with oil designed specifically for high mileage vehicles. Thes oils have additives that help swell engine seals and keep them pliable, reducing the tendancy to leak. Switching to synthetic oil at this point would probably not yield any significant performance benefits and might actually cause oil leaks to occur. Just my 2 cents worth.
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spl_kota
Dodge Dakota
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3/19/2008
21:04:21
| RE: best oil?
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Thank you for all your information. As for sticking to the regular "high mileage" oils, I found that Walmart sells Mobil 1 synthetic high mileage 10w30 so I think I might try that out. Thank you again for all your information.
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Jimmy9190
Dodge Dakota
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3/19/2008
21:31:22
| RE: best oil?
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I agree with Professor D. Changing to synthetic at that high of a mileage has been reported to cause leaks and other problems. A good semisynthetic blend made for higher mileage engines might be a better choice. Personally, my truck has been on a semisynthetic blend since 65,000 miles. On that type of oil I get a smoother idle, quieter running engine and a little better MPG than I did on conventional oil. It also has additives in it to help maintain and condition seals and gaskets in higher mileage engines.
Oil choice is a very subjective matter. There are many opinions on what brand, formulation and weight is best. If you shop around you can usually find good prices on good oils, whether it is Walmart, Auto Zone, Advance or any number of other stores. Some people even buy in bulk and stock up when they find good deals on oil and filters.
Jimmy
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ben
Dodge Dakota
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3/19/2008
22:23:26
| RE: best oil?
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Message:
i just changed my truck over to amsoil a month a go with no lproblems and i have 165,000+ on it. im amazed tho at how much better gas mileage im getting with it. bout 2 mpg better. it runs much better too. sounds better than when i bought it with 140,00 miles on it.
2000 slt 3.9l v6 165,000+
(amsoil rocks!)
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fotodak
Dodge Dakota
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3/20/2008
12:53:56
| RE: best oil?
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The "rumor" about synthetic causing leaks comes from when synthetics were first used. Their makeup wasn't compatible with the seals used at the time and it did eventually find its way out. Since then the oils have been reformulated and seals have been improved to prevent this from happening. Now, if you have WORN seals the synthetic may find its way out, but it was eventually going to happen with the conventional oil.
As for synthetic blend oils, why bother? They don't tell you what percentage of the base stock is synthetic and what isn't. Besides, if you use a multi-weight oil, what kind of oil do you think acts like a muti-weight? A conventional oil can't do that. They use synthetic additives (polymers) to make the oil act as a multi-weight.
As for Pennzoil, you can use it if you like, but my son used to work at a national oil change location that uses Pennzoil. He could tell which cars were regualrs by simply opening the oil filler cap. They were all gummed up. Of course, they are always supposed to up-sell things like wipers, and the like, one item was valve cover gaskets. Every car he took the valve cover off that was a regular customer of that chain had completely clogged valve covers.
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Moderator2
Dodge Dakota
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3/20/2008
16:01:11
| RE: best oil?
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Message:
TRUE Synthetic motor oils are made from LIQUID NATURAL GAS.
There is plenty of LIQUID NATURAL GAS in the U.S.
We DO NOT have to import LIQUID NATURAL GAS.
Remember that when buying your motor oil.
Because conventional or fake synthetic's
(like Mobil1 and Castrol) are FAKE synthetic's
that still use imported crude oil as a base oil.
----- THE TRUTH -----
Not all synthetic oils are the same.
Mobil1 is a Group III (fake) synthetic, not a Group IV.
Castrol Syntec is a Group III (fake) synthetic, not a Group IV.
AMSOIL is a Group IV True PAO 100% synthetic oil.
How do you know if a motor oil is a TRUE SYNTHETIC?
Look for the letters PAO on the case, jug or bottle.
Amsoil has the letters PAO. The others don't.
AMSOIL is a Group IV True PAO 100% synthetic oil.
#########################
Amsoil is a TRUE synthetic and Mobil1 and Castrol are not!
Mobil1 and Catrol oils are all Group III fake synthetic.
Mobil1 switched from a G4 synthetic to a G3 Crude.
Castrol has always been a G3 fake synthetic (read below).
Mobil1 and Castrol must admit AMSOIL is the BETTER OIL.
#########################
Not all synthetic oils are the same.
Mobil1 is a Group III (fake) synthetic, not a Group IV.
Castrol Syntec is a Group III (fake) synthetic, not a Group IV.
AMSOIL is a Group IV True PAO 100% synthetic oil.
There are many oils out there that call themselves synthetic, but not all are created equal, and that's important to know. You do get what you pay for. Group III synthetic oils only use about 12% synthetic base stocks. The rest is hyrdocracked petroleum (crude oil) base stocks. For major oil companies who have their money in crude oil refining, the word "synthetic" is merely a marketing term. It does not mean 100%, but just that a percentage of synthetic base stock goes into their product.
The oils that are commonly mentioned are Group II and Group III synthetics with the exception of Royal Purple, which is a Group V. AMSOIL is a Group IV synthetic (PAO) but also uses Group V Ester technology. It (Amsoil) gives you the best of Group IV and Group V synthetics.
REMEMBER:
Mobil1 is a Group III (fake) synthetic.
Castrol Syntec is a Group III (fake) synthetic, not a Group IV.
AMSOIL is a Group IV True PAO synthetic.
BACKGROUND
In the late 1990s, Castrol started selling an oil made from Group III base oil and called it SynTec Full Synthetic. Mobil sued Castrol, asserting that this oil was not synthetic, but simply a highly refined petroleum oil, and therefore it was false advertising to call it synthetic. In 1999, Mobil lost their lawsuit. It was decided that the word "synthetic" was a marketing term and referred to properties, not to production methods or ingredients. Castrol continues to make SynTec out of Group III base oils, that is highly purified mineral oil with most all of the cockroach bits removed.
Shortly after Mobil lost their lawsuit, most oil companies started reformulating their synthetic oils to use Group III base stocks instead of PAOs or diester stocks as their primary component. Most of the "synthetic oil" you can buy today is actually mostly made of this highly-distilled and purified dino-juice called Group III oil. Group III base oils cost about half as much as the synthetics. By using a blend of mostly Group III oils and a smaller amount of "true" synthetics, the oil companies can produce a product that has some of the same properties as the "true" synthetics, and nearly the same cost as the Group III oil. AMSOIL differs from Group III oils. As a Group IV oil, it uses 100% pure synthetic base stocks. This is why you can run it for longer intervals.
Synthetic oils were originally designed for the purpose of having a very pure base oil with excellent properties. By starting from scratch and building up your oil molecules from little pieces, you can pretty much guarantee that every molecule in the oil is just like every other molecule, and therefore the properties are exactly what you designed in, not compromised by impurities. Synthetics were thus originally a reaction to the relatively poor refining processes available from about 1930 to about 1990. The original synthetics were designed for the Army Air Force in WW II. They simply could not make their high- performance turbo-charged radial engines stay alive on the available motor oils of the time.
One process for making synthetic base oils is to start with a chemical called an olefin, and make new molecules by attaching them to each other in long chains, hence "poly." The primary advantage of Poly-Alpha-Olefin "PAO" base oil is that all the molecules in the base oil are pretty much identical, so it's easy to get the base oil to behave exactly as you like. PAOs are called Group IV base oils.
Remember:
AMSOIL is a Group IV True PAO 100% synthetic oil.
These PAO base oils have an enormous advantage over mineral base oils in low temperature performance and in resistance to oxidation, which is critical in keeping the oil from forming acids.
Another type of base oil is made from refined and processed esters and is called Group V. Esters start life as fatty acids in plants and animals, which are then chemically combined into esters, diesters, and polyesters. Group V base stocks are the most expensive of all to produce. However, the esters are polar molecules and have very significant solvent properties - an ester base oil all by itself will do a very decent job of keeping your engine clean. So, people who are serious about making a superior oil will usually mix some Group V oils into their base stock.
Oils that are strictly Group V ester oils tend to be better suited for high RPM, hot running, air cooled engines. 100% ester based oils are usually more expensive than Group IV oils, and don't have the longevity of PAO (Group IV) or PAO/Ester mixes oils. Group V oils perform very well in the shorter term. Oils like Royal Purple and Redline are Group V oils. They perform very well in race engines and in applications where drain intervals are factory spec or shorter, whereas Group IV oils are better suited for the long haul of extended intervals.
Whatever oil you choose, know what you are buying. Just because the jug says "synthetic" doesn't mean it is made from 100% pure synthetic base stocks.
#########################
I like these quotes:
--- Castrol ---
This quote sux (for Castrol Syntec):
Castrol Syntec is a Group III synthetic, not a Group IV.
Group III synthetic oils only use about 12%
synthetic base stocks. The rest is hyrdocracked
petroleum base stocks.
--- Mobil1 ---
This quote sux (for Mobil):
Mobil is a Group III synthetic, not a Group IV.
Group III synthetic oils only use about 12%
synthetic base stocks. The rest is hyrdocracked
petroleum base stocks.
--- ROYAL PURPLE ---
This quote sux (for Royal Purple):
Group V oils perform very well in the shorter term. Oils like Royal Purple and Redline are Group V oils. They perform very well in race engines and in applications where drain intervals are factory spec or shorter
and this one:
Oils that are strictly Group V ester oils tend to be better suited for high RPM, hot running, air cooled engines. 100% ester based oils are usually more expensive than Group IV oils, and don't have the longevity of PAO (Group IV) or PAO/Ester mixes oils
--- AMSOIL ---
This quote is great (for Amsoil):
AMSOIL is a Group IV synthetic (PAO)
but also uses Group V Ester technology.
It (AMSOIL) gives you the best of
Group IV and Group V synthetics.
#########################
Recap of the above article:
--- CASTROL SYNTEC ---
Castrol Syntec and Mobil are Group III.
Castrol Syntec and Mobil are not Group IV.
Castrol Syntec and Mobil are made from
hyrdocracked petroleum (crude) base stocks.
Castrol Syntec was never a synthetic oil
except for mkting purposes.
--- CASTROL SYNTEC LIES ABOUT BEING A SYNTHETIC ---
--- MOBIL1 ---
Mobil is Group III.
Mobil is not Group IV.
Mobil is made from hyrdocracked
petroleum (crude) base stocks.
Mobil is no longer a synthetic oil except for mkting purposes.
--- MOBIL1 LIES ABOUT BEING A SYNTHETIC ---
--- ROYAL PURPLE ---
Royal Purple is Group V.
Group V oils perform very well in the shorter term.
They perform very well in race engines.
They perform very well in applications where
drain intervals are factory specifications or shorter.
Royal Purple tends to be better suited for high
RPM, hot running, air cooled engines.
RP oils don't have the longevity of PAO (Group IV) or PAO/Ester mixes oils.
-- RP is ONLY FOR VERY SHORT DRAIN INTERVALS --
--- AMSOIL ---
Amsoil is a PAO (Group IV) or PAO/Ester mix
It (AMSOIL) gives you the best of Group IV and Group V synthetics.
Amsoil is a true 100% PAO Group IV Synthetic Oil.
--- AMSOIL IS A TRUE PAO SYNTHETIC AND THE BEST ---
--- AMSOIL IS BEST SUITED FOR EXTENDED OIL DRAINS ---
#########################
AMSOIL NOW SPOTTED AT DODGE DEALERSHIPS!
WHAT MORE DO YOU NEED THAN DODGE's APPROVAL?
Amsoil is Approved for Dakotas and other Dodge vehicles:
DODGE DEALERSHIPS NOW CARRY AMSOIL
here is the thread on this forum:
http://www.dodgedakota.net/boards/gen/16998.html
USE AMSOIL WITH CONFIDENCE!
#########################
But don't pay retail at your Dodge Dealership.
Contact Steve for better prices.
The Amsoil guy (Steve the Amsoil site sponsor)
that was a site sponsor here for many years
(from 2002 - 2007) left due to the childish
behavior of a few flamers.
Steve can be found on another Dodge Dakota truck
site that has moderators and does not allow
undue flaming and childish behavior:
http://www.dakota-durango.com/forum/forumdisplay.php?f=105
DEFEAT THE FLAMERS BY BUYING AMSOIL !!!
DEFEAT THE FLAMERS BY BUYING AMSOIL !!!
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daddio
Dodge Dakota
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3/20/2008
16:20:35
| RE: best oil?
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knew it would happen sooner or later.
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spl_kota
Dodge Dakota
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3/20/2008
17:02:22
| RE: best oil?
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Message:
ya, so...the point of the forum is that where I live I don't have an amsoil dealer so I was asking a simple question of if people thought Pennzoil or Mobil 1 was the better oil to use in my truck. No where did I say anything about amsoil being good, bad or in between so don't bring anything into the equation that was asked to be there. Thank you. And thank you for all the information provided actually on the topic posted.
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Cory Eye_Trip
Dodge Dakota
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3/20/2008
17:54:15
| RE: best oil?
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Thank you Moderator2 for your post.
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