5W-20 Oil for New Cars - Dodge Dakota Forum

Subject: 5W-20 Oil for New Cars
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All: Was looking at new cars and trucks Saturday and saw that 5W-20 motor oil is now recommended in all new cars and trucks. I'm sure using the 5W improves lub at start up and may help gas mileage but the 20W seems thin for summer time temps. Does anyone know if using 10W-30 would void a warranty? Is it best to stay with the new vehicle recommendation? Thx for your opinions.

Erik
Dodge Dakota
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1/07/2008
08:57:46

RE: 5W-20 Oil for New Cars
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5W-20 is a thiner oil so that manufacturers can meet CAFE and better mpg.

AJ
Dodge Dakota
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1/07/2008
13:12:36

RE: 5W-20 Oil for New Cars
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OK Erik. But it seems to me they sacrifice wear for gas mileage. Is it better to disregard the manufacturers recommendation and go with either 5W-30 or 10W-30?

OBIO3
Dodge Dakota
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1/07/2008
14:47:24

RE: 5W-20 Oil for New Cars
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Better think on this before you stray off factory programs. First off, if you have a warranty issue involving your engine, you will need prof of oil/filter changes being done on time and with correct fluids/filters and on time. If you have the dealer do it your in good shape with receipts. If you do your own you will need dated receipts as prof and taking a couple of pictures of the change as backup is a very good idea. regardless what way you go your receipts are going to tell what you used and the date. If your talking internal repairs or engine replacement, the dealer is going to go over your records looking for any reason not to honer your warranty. While you are under warranty, buying oil in bulk amounts is a bad idea. buy it at oil change time so you have that dated receipt.

.boB
Dodge Dakota
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1/07/2008
15:01:24

RE: 5W-20 Oil for New Cars
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Stick with what's recommended by the maker. One of the reason these engines use a light weight oil is because machin clearances are very tight. As the engines get better, so does the oil.

Some NASCAR teams are experimenting with a straight 0 weight oil for qualifying.

WiseOldMan
Dodge Dakota
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1/07/2008
20:32:16

RE: 5W-20 Oil for New Cars
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I just bumped the viscosity threads for you.

WiseOldMan
Dodge Dakota
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1/07/2008
21:27:29

RE: 5W-20 Oil for New Cars
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In case you didn't see it:

http://www.dodgedakota.net/boards/gen/7708.html

dakota49
Dodge Dakota
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1/10/2008
19:35:35

RE: 5W-20 Oil for New Cars
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.boB is correct, the rod and main bearing clearences are very close these days and they need the thin oil to get into the tight bearings.
When I rebuild an engine I shoot for .001-.0015 clearences, the factories shoot for .0008-.001.
Now that's close, but with engines lasting 200000 miles, we can see why they (the factory) wants the clearences so thight.
Hope this helps explain the thin oil.
Dakota49
1988 3.9 4X4 5speed

just incase
Dodge Dakota
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1/10/2008
21:01:00

RE: 5W-20 Oil for New Cars
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you didnt see it

after reading the below information
3 people have turned away from scamsoil in the past 2 weeks!

we can bring the posts back up to prove it!
your scamsoil guy keeps flooding the board to burry the posts as usual

...............................................

read your owners manual

your warranty can and will be void for not following the car/truck makers oils guidlines
if it says use API certified oils then hey guess what?

and if it says oil changes done no longer then 7500 miles then hey guess what?

Not matter what the oil maker claims!
and infact! if you check scamsoils own written guidlines! they say 25,000 miles or longer but yet
READ GOOD! they also tell you to follow the auto/truck makers guidelines!

why? EASY! cause when the dealer denies your warranty claim an you then go to scamsoil
they can Stand their arms crossed and shake their heads NO!!!!!
cause hey they have it in writting too!

i swear you guys buy into this scamsoil crap
like you was lemmings following him through a raging river!

they "the auto/truck maker" WILL NOT and DO NOT have to approve any warranty claims!
IF you DO NOT follow what is required for oil!
you were given everything in writing!

more proof needed? just ask

....................................

they have been misleading people for years!

From http://www.nordicgroup.us/oil.htm:

"API Certification, Phosphorus & ZDDP
Never use a non-API certified synthetic oil (there are many of these on the market). The problem with the non-API certified synthetics is that they contain too much phosphorus (in the form of the additive ZDDP (Zinc Dialkyl Dithiophosphates)). The API has limited the amount of phosphorus because phosphorus shortens the life of the catalytic converter. These oils are fine for snowmobiles, motorcycles, and older cars that don't have a catalytic converter,
and the extra ZDDP does provide additional wear protection. Unfortunately, the marketers of
some the non-certified oils do not explicitly
and honestly state the reason for the lack of API certification.
You can check the status of API certification on the API web site.
Be certain to go not just by the manufacturer name but by the actual product as well. This is because a manufacturer will sometimes have both certified and
non-certified products. Suffice it to say that Mobil 1,
Royal Purple, Castrol, & Havoline all make synthetic oils that are API certified and
that can be purchased at auto parts stores and other retail outlets. Amsoil has one product line, XL-7500 that is API certified, but it's other lines contain too much ZDDP to be certified
and should not be used in vehicles with
catalytic converters. "

...........................................

do some reading people
open your owners manual

"we are unaware of any automobile manufacturer in the United States that currently recognizes using any synthetic oil beyond the recommended oil change intervals outlined in their owner's manual."

http://performanceplusoil.com/myths.php

...............................................

"
Question:
Response to Amsoil Competitive Claims
What is your position/response to the 4 ball wear test Amsoil states on their website? Do you agree with the test results or are there other test results you could point me to. Thanks
-- Todd Blake, Andover, MN

Answer:
The 4-ball wear test is a test designed to evaluate the performance of a gear oil. The 4-ball wear test is not included as a part of any industry-wide recognized engine oil specifications (e.g. ILSAC GF-4, API SM, or ACEA specifications). ExxonMobil does not regard this test as a useful indicator of engine"

http://www.mobiloil.com/USA-English/MotorOil/Car_Care/AskMobil/Response_Amsoil_Claims.aspx

& Further

"He wants you to buy Amsoil and become an Amsoil dealer not because it's good for you or your car or your wallet but because it benefits his wallet. He's a salesman, and he's here because he doesn't want to pay for advertisements. Amsoil is a multi-level marketing scheme.

You know the difference between a dead possum on the highway and a dead Amsoil salesman on the highway?

There are swerve marks before the possum.

So let's use Amsoil synthetics as an example of how synthetics are mostly useless. This is an easy one. Amsoil says certain of their products are good for 25,000 miles or 1 year. That's for normal driving. For severe service it's 15,000 miles or 1 year. All of that depends on you using an Amsoil oil filter and changing it in 6 months or half the mileage interval. That oil costs $6.35 per quart, and the filters are $10-$12 each. A name-brand, high-quality conventional motor oil costs about $2.00 per quart, and you can get a high-quality oil filter for $5-$6. so Amsoil costs over 3x more than regular oil. OK, so let's say your car takes 4 quarts of oil, your driving doesn't fall into the severe service category, and you drive 12,500 miles per year.

Here's the scenario: You have a recent model GM car with the Oil Life Monitor system that calculates the remaining lifetime of your motor oil based on mileage, temperatures, engine RPMs, and other factors. You changed your oil with Havoline 10W-30 and a $5.00 AC-Delco oil filter one year ago and drove 11,000 miles, and the Oil Change light just illuminated on your dashboard. You do a used oil analysis on that used conventional oil at a cost of $20 and it shows that the oil was protecting your engine just fine when you drained it. So your oil change cost you a total of $13 and with the analysis $33.

If you had used Amsoil, you would have paid $25.40 for the 4 quarts of oil, plus another $20-$24 for two Amsoil filters, so without even doing the analysis, you have already paid $47 for an oil change instead of $13. You have the analysis done on the Amsoil oil and you find that it also was protecting your engine just fine. What have you gained by using Amsoil? Was it worth the 362% higher cost of Amsoil?

The days of 3000 mile oil changes are gone, but that's what Amsoil still quotes in their numbers, and the latest Oil Life Monitor system from GM will extend your oil change interval to 12,500 miles if you drive the car normally and not in severe service. GM wouldn't tell you to go 12,500 miles before getting an oil change if it was going to damage your engine because it would give them an even worse reputation for quality compared to the Japanese automakers. New engines and new engine oils are far, far better than they were even a few years ago, and as time goes on, Amsoil and synthetic oils in general become less and less relevant. They'll quote you all kinds of 4-ball wear tests and tons and tons of totally irrelevant facts and statistics. All you need to remember is this: When was the last time you heard of somebody who changed their oil regularly with ANY kind of oil having their engine die an early death because of lubrication problems? That's all that matters really, but Amsoil would like you to believe your car won't last as long with regular oil. Think for yourself about it. Have you ever heard of such a problem? By the time a car gets that many miles on it, so many other things would have broken and been replaced that the engine would be cheap by comparison.

Do yourself a favor and avoid Amsoil and other synthetic oils. Put the money you save in your vacation or retirement account, donate it to a worthy charity, or take your special someone out for dinner. Don't give it to an oil salesman for a mostly useless product."

again?
Dodge Dakota
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1/10/2008
21:41:23

RE: 5W-20 Oil for New Cars
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and so the flaming starts again! even when noone says what type of oil.

Cory Eye_Trip
Dodge Dakota
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1/11/2008
06:44:59

RE: 5W-20 Oil for New Cars
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I can't help it

I have to flame amsoil!

JUST KIDDING though.

I like Purple Nipple but LOVE AMSOIL!

LOVE AMSOIL LOVE AMSOIL LOVE AMSOIL!!!

I aM InSaNe. i am insane. I AM INSANE.

ha ha ha ha ha ha ha

I am an ABLOSUTE nut case.

WHY?

Because I am sickly jealous of AMSOIL.

I am the ARSEHOLE flaming AMSOIL.

I used to be a member until my registration
was cancelled for flaming a site sponsor.

My Eye_Trip profile on this site:

http://www.dodgedakota.net/cgi-bin/amb/lookup.pl?user=eyetrip

notice my last post was 6/04/2004 14:05:17
that is the day I was banned from posting
using my registered member name

I am Cory from Washington.

I am an A S S H O L E !!!!

JUST JOKING!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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!!!!!

Dodge Dealerships Do!!!!!!!!

Cory

Stan
Dodge Dakota
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1/11/2008
10:59:45

RE: 5W-20 Oil for New Cars
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I know amsoil is just "snake oil" and all I do all day is lay around with my chickens and try to come up with crap that doesn't mean a thing.

You see I found out from my doctor that I have a really wicked inferiority complex and it makes me want to waste my time on chickens and DD.com.

I can't help it I like little peckers on my butt, I am getting therapy ya know.

Ok here is the secret recipe for amsoil.
I collect all the recreations from my chicken after a week long binge in the sac. Now you know.

One more thing, I don't even have a dodge.

.boB
Dodge Dakota
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1/12/2008
01:02:24

RE: 5W-20 Oil for New Cars
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Good god! Give it a rest! Don't you have anything better to do?

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