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Author Topic: Full Synthetic oil Back to Topics
hiphopman
Rookie Author
Minnesota

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Message Posted: Jun 7, 2011 10:14:34 PM

I find this great in winter for easy starts in cold weather. I also go 6-7,000 miles between oil changes. Use Mobil 1 now but hear Amsoil is better.
Any comments on synthetics?
REPLIES (newest first) Post a Reply
Jayburt
Champion Author Toledo

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Message Posted: Mar 27, 2015 1:08:33 AM

after being a longtime natural oil user I've switched..and going to again, from Castrol synth. to Amsoil..
stoihor
Champion Author San Bernardino

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Message Posted: Mar 26, 2015 3:58:09 PM

i use Mobil 1.
carinthuist
Champion Author San Francisco

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Message Posted: Mar 26, 2015 12:43:13 PM

Amsoil

[Edited by: carinthuist at 3/26/2015 12:43:55 PM EST]
luvmyburgi
Champion Author Ohio

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Message Posted: Mar 25, 2015 1:17:41 PM

Amsoil
Ratso
Champion Author Ohio

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Message Posted: Mar 24, 2015 6:28:34 AM

I have used Valvoline Full Syn for years...I like to use Ohio companies when I can !
RalphHightower
Champion Author South Carolina

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Message Posted: Mar 24, 2015 6:07:38 AM

I use Pennzoil Ultimate
MouldMedic
Sophomore Author Toronto

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Message Posted: Mar 24, 2015 12:19:07 AM

By my research Amsoil is at the top....Mobil1 is third.
redfish67
Champion Author Dallas

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Message Posted: Mar 23, 2015 1:29:49 PM

been using it for years, works great
stoihor
Champion Author San Bernardino

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Message Posted: Mar 23, 2015 8:22:23 AM

i use mobile 1.
hoopitup2000
Champion Author Virginia

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Message Posted: Mar 23, 2015 6:46:05 AM

Yes, Mobil 1
GLM4205
Champion Author Toledo

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Message Posted: Mar 23, 2015 5:44:36 AM

No
mybigtruck
Champion Author San Jose

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Message Posted: Mar 14, 2015 1:14:20 AM

regular dino juice is just about as good as synthetics these days
MouldMedic
Sophomore Author Toronto

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Message Posted: Mar 13, 2015 1:08:09 AM

My service interval is about 6,200 miles between oil changes...with synthetic I can go longer.

Good to have a Mercedes diesel engine.
GBMAX
Champion Author Phoenix

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Message Posted: Mar 12, 2015 4:00:57 PM

yes
GrumpyCat
Champion Author Alabama

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Message Posted: Mar 12, 2015 10:44:36 AM

"Synthetic" is not a performance specification. There is no assurance a synthetic motor oil is superior to or even as good as a refined oil.

To be synthetic one only has to use accepted manufacturing processes. There is no stipulation on the results.

I will not disagree with the claim that Mobil-1 is superior to most oils on the shelf. I use Mobil-1 because it is Mobil-1 and I have come to trust it. I don't use it because it is said to be synthetic.

Other than 25 years of clean engines (I've removed the valve covers from several) one tell was how the oil pressure gauge on my little truck behaved with refined oils vs Mobil-1. After experimenting with 2 different refined oils I put Mobil-1 in the truck the next time.

My SUV happens to have a synthetic Valvoline in it right now. Not because it is synthetic but because it meets MB-229.51 which is a mandatory requirement from Mercedes-Benz.
Vin63
Champion Author San Bernardino

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Message Posted: Mar 12, 2015 9:48:11 AM

Any of today's premium oils are a great choice. If you want to save money on extended oil changes, do a UOA.
carinthuist
Champion Author San Francisco

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Message Posted: Mar 11, 2015 2:55:40 PM

yes
Tucsonhomes
Champion Author Tucson

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Message Posted: Mar 10, 2015 6:52:30 PM

I use it in my Honda
GasMiser718
Champion Author Detroit

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Message Posted: Mar 10, 2015 5:42:39 PM

I use it in my 2008 pickup.
twt
Champion Author Virginia Beach

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Message Posted: Mar 10, 2015 8:29:29 AM

I use synthetic, in the Harley.
hoopitup2000
Champion Author Virginia

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Message Posted: Mar 10, 2015 7:16:57 AM

Yes 100% synthetic only for me. Synthetic blends are a waste of money
RedRam2005
Champion Author San Antonio

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Message Posted: Mar 10, 2015 1:16:04 AM

I use Mobil 1 in all my vehicles. The only problem is the price.
Tucsonhomes
Champion Author Tucson

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Message Posted: Feb 25, 2015 1:51:11 PM

I use full synthetic and have no problems with it
Vin63
Champion Author San Bernardino

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Message Posted: Feb 25, 2015 10:09:12 AM

Any of the premium synthetics will be an excellent choice. I use Amsoil in my daily drivers for the past 15 years.
RalphHightower
Champion Author South Carolina

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Message Posted: Feb 25, 2015 6:32:28 AM

I use full synthetics in both our cars. We keep Ours for about 10 years.
drgeeforce
Veteran Author Los Angeles

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Message Posted: Feb 24, 2015 3:39:43 PM

Synthetics are good for extreme cold starts and newer engines. Older and high mileage cars have more tolerance in the oil rings so dino oils are more economical. The choice to use synthetics is mainly dependent on your history of purchasing cars. If you change vehicles every 5 or six years, doesn't make sense to spend extra on synthetics. If you drive an oil burner, doesn't make sense to use synthetics. If you live in a warm climate, doesn't make sense to use synthetics. Trying to extend the length between oil changes should not dictate your choice in buying synthetics. The longer you go without changing, the more acids build up in the oil. Also the lubricating qualities breakdown over time and by the heat. Longer intervals may save you some money but the contaminates circulate more often the longer you go. I drive a diesel and diesel drivers check oil chemistries pretty frequently.



[Edited by: drgeeforce at 2/24/2015 3:41:25 PM EST]
mtnrambo
Champion Author West Virginia

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Message Posted: Feb 24, 2015 11:06:09 AM

no way...
davidvlee
Sophomore Author Virginia

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Message Posted: Feb 22, 2015 2:38:38 PM

How much has synthetic oil improved your gas mileage?
reni194611
Sophomore Author Illinois

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Message Posted: Feb 22, 2015 1:53:13 PM

yep!
hyeglenn
Champion Author Fresno

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Message Posted: Feb 22, 2015 1:05:59 PM

NO.
Madridjoe
All-Star Author Lancaster

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Message Posted: Feb 18, 2015 7:03:50 AM

using mobil 1
hoopitup2000
Champion Author Virginia

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Message Posted: Feb 18, 2015 6:31:01 AM

Yes, synthetic blends are a waste of time. Full synthetic is the only way to go.
carinthuist
Champion Author San Francisco

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Message Posted: Feb 15, 2015 11:56:18 AM

yes AMSOIL
JohnCur
All-Star Author New Jersey

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Message Posted: Feb 15, 2015 9:24:48 AM

6000-7000 seems often for Mobil 1
hyeglenn
Champion Author Fresno

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Message Posted: Feb 15, 2015 7:53:11 AM

Only in my Lexis.
xmstr
Sophomore Author Michigan

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Message Posted: Feb 11, 2015 6:52:04 AM

I have been using Amsoil for many years and I go 10,000 between oil changes. The car (2004 Mazda 6, 2.3L, 5 speed) has 188,000+ miles, still runs great and doesn't burn any oil. I am expecting at least 250,000 miles or more before purchasing a replacement.
cv
Champion Author Raleigh

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Message Posted: Feb 11, 2015 6:37:00 AM

I use full synthetic.
ray44512
Veteran Author Ohio

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Message Posted: Feb 11, 2015 12:59:34 AM

I've been using synthetic for twenty years and love it. Oxidation point is much higher than conventional (great for old air cooled bikes) and allows a longer interval on changes.
E-Squirrel
Champion Author Orange County

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Message Posted: Feb 10, 2015 8:25:45 PM

I replaced my old Honda Civic with a new 2013 Mazda. Looking the owner's manual for it and other rental vehicles, I see that manufacturers now almost all recommend 0-20 weight synthetic oil.
Gabilondo
Champion Author New Mexico

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Message Posted: Feb 9, 2015 4:49:48 PM

Better for your vehicle if you intend to keep it a while.
CaptainAnhyzer
Champion Author Albany

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Message Posted: Feb 7, 2015 6:12:21 AM

Helps gas mileage too
mtnrambo
Champion Author West Virginia

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Message Posted: Feb 7, 2015 3:55:28 AM

only in the mercedes
twt
Champion Author Virginia Beach

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Message Posted: Feb 7, 2015 3:14:49 AM

I use it, in the Harley.
cheapmonkee
Champion Author Portland

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Message Posted: Feb 6, 2015 9:14:57 PM

I buy it on sale/rebates/clearance for cheaper than conventional. Latest score Mobil 1 HM 5w-20, buck a pop! Synthetic is no brainer.
Les4hdtv
Sophomore Author Alabama

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Message Posted: Jan 20, 2015 1:05:03 PM

0-20W Pennzoil Platinum synthetic oil - 0-20W required by Toyota warrantee for most of their new cars. They are recommending 8000 between oil changes.
It is supposed to increase gas mileage.

Cars are kept in a semi-heated garage so 10-W40 would probably turn it over just as quick.

[Edited by: Les4hdtv at 1/20/2015 1:06:05 PM EST]
nru
Champion Author Twin Cities

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Message Posted: Jan 20, 2015 12:31:36 PM

Mobil 0-40W in all my cars
badbobKY
Champion Author Lexington

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Message Posted: Jan 20, 2015 11:44:17 AM

yes
hoopitup2000
Champion Author Virginia

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Message Posted: Jan 20, 2015 6:30:27 AM

I always use synthetics. The cost is worth it if you change your own oil. Otherwise it can get expensive.
Saab93turbo
Champion Author Washington

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Message Posted: Feb 19, 2013 4:42:06 PM

I've been using full synthetic since 2005. I use Mobil 1 0W-40. It's API SL, SM, SN. It's ACEA A3/B3, A3/B4. These are all rare combinations. It's also BMW Longlife 01, Mercedes Benz 229.5. It used to be GM-LL-A-025 but now GM has a more lax Dexos standard, which it is.
102670
Rookie Author Sacramento

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Message Posted: Feb 19, 2013 9:41:27 AM

I use synthetic oil. While it does cost more to buy it, I can go 8000+ miles between changes.
twt
Champion Author Virginia Beach

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Message Posted: Feb 19, 2013 6:36:16 AM

I use synthetic in the Harley. More efficient and less wear on the engine.
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