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Old 06-05-2002, 09:10 AM   #1
SupaSench
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Member#: 9982
Join Date: Sep 2001
Location: Highland Park, NJ
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2002 Impreza WRX
Blue Pearl

Default Mobil One Synthetic

Are there any problems using a synthetic with a turbo????

I hear good things about Mobil 1 or the more expensive racing synthetic.

Please let me know, I am due for an oil change

Sench
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Old 06-05-2002, 12:50 PM   #2
NJDrew
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SupaSench, I chaned my oil in my 01 WRX for the first time at 3000 about a month ago and I used Mobel 1 Synthetic. To-date I have about 3750 miles and I haven't noticed any problems.

Drew

P.S. I also read my manual and it dosen't anything about sythetic causeing problems.
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Old 06-05-2002, 01:09 PM   #3
Rich10
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Conventional wisdom says that you shouldn't put a synthetic motor oil in a new car. It has to do with allowing the car to break in (having the valves seat properly). Beyond say 3,000 miles, I would think that there would only be upside to using a synthetic motor oil.

Rich
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Old 06-05-2002, 05:16 PM   #4
PaulRex
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I changed to Mobil 1 Tri-Synthetic oil when i hit 10k miles. I noticed a big diffrence in the way the engine behaved at low rpms; Much less likely to strain, or shudder under load like going up hill or just at low rpms, which means the oil is working good to me.
Now i use Mobil1 SuperSyn. it's new, and supposedly better then Tri-Syn. I havn't had any problems, and my car is at 23,500miles.
Paul
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Old 06-05-2002, 05:39 PM   #5
Rich10
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There have been a few threads on Mobil 1 Super Syn. IIRC, it is a synthetic blend, not a full synthetic like Mobil 1 Tri Syn.

Rich
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Old 06-08-2002, 01:04 PM   #6
impez
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What is the final word on this? I saw some at the store today, and the box cleary reads "Fully Synthetic," with no mention on the packaging or on Mobil's website about SuperSyn being a blend. I'm all confuseded.
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Old 06-08-2002, 01:38 PM   #7
PaulRex
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The final word on Mobil1 Supersyn is that it is a fully synthetic motor oil. It says so right in the front too..(i have container in front of me)
peace!
Paul
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Old 06-08-2002, 02:58 PM   #8
annointed
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There are tons of posts about this in Factory Forced Induction. The Subaru Rally team uses Motul Synthetic, and the consensus of the posts in FFI settle on Motul as the preferred motor oil.

Do a search, and check out:

http://www.i-club.com/forums/showthr...ighlight=Mobil

http://www.i-club.com/forums/showthr...ighlight=Motul

http://www.i-club.com/forums/showthr...ighlight=Motul

http://www.i-club.com/forums/showthr...ighlight=Motul


Also, you'll notice a trend of WRX people leaving Mobil 1, as the new blend, SuperSyn, is apparently of lower quality, yet they're still charging the same prices for it, which some peeps feel may be a ploy to boost their bottom line. Not to disparage Mobil 1, as it is still a great oil (it's in my car right now, in fact! ).

At my next oil change I'm switching to Motul 300v 5w40 until November or December, when I'll use a 5w30 oil.

Last edited by annointed; 06-08-2002 at 03:13 PM.
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Old 06-08-2002, 03:39 PM   #9
PaulRex
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Ok, i went and read all those links, and the most informative of all of them was on vwvortex not I-club unfortunatly. So i read through all 8 pages of techinical info on that site and it gets all very confusing!
Anyway, from what i've gathered the new MOBIL1 SUPERSYN. is still a base IV not a base III synthethetic oil(the IV is better than III)

I have some tri-synthetic formula and the new supersyn right in front of me now and i'm going to type out the rating and specifications of each that are printed on the containers:

TRI-SYNTHETIC SAE 5W-30:
-Meets ILSAC GF-3 and GM 4718M
-Pours ar -49F(-45C)
-Protects at oil temps. of 400F(205C)
-Exceeds API Service SL,SJ/CF. Meets Japanese valvetrain requirements.

SUPERSYN SAE 5W-30:
-Exceeds ILSAC GF-3
-Meets GM 4718M
-Pours at -49F(-45C)
-Protects at oil temps. of 400F(205C)
-Exceeds API Service SL,SJ/CF
-Meets ACEA A1/B1/B5 and Japanese valvetrain requirements

I think i'm going to stick with supersyn, and keep changing my oil/oil filter every 3k like i've been doing for the last 23,500 miles.
Paul

Last edited by PaulRex; 06-08-2002 at 04:44 PM.
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Old 06-08-2002, 07:53 PM   #10
limshady88
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midnite black

Default Mobil1, no problem

My brother and I both uses Mobil 1 Syntech from the very first oil change. We both have a WRX, and he has about 25K miles on his and 18K on mine, so far no problem. We change our oil at 6000 miles.
Good Luck
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Old 06-10-2002, 03:13 PM   #11
naveeny
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Silver

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I am using the 0-30W Supersyn Mobil 1 and I noticed some major differences.

1) The engine is reving better. I am noticing more horsepower and pick when starting, plus it is idling better also.

2) The engine sounds better in the morning. The revs aren't so high and it seems to be heating the engine faster also.

I am using the 0w because I am mostly doing city driving where there is a lot of stop and go traffic since my work is only 2 miles away. Higher viscosity may not be good for my car unless I probably used 5w but so far the 0w since to be working marvels for me.
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Old 06-10-2002, 04:08 PM   #12
BigElm
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I know you've asked about Rex's but if this is a Subaru question then I guess I can put my 2's in here as well....

I've been using Mobil 1 Tri-Synthetic since my first oil change on my '00 RS, and I can say amazing behavior and performance. You can feel the smoothness and response on a low-end torque boxer engine. So I definitely give it two thumbs up

Now where is the 5 quart jug of 5W-30??? I can't find it anywhere now
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Old 06-10-2002, 06:48 PM   #13
nizz
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24k gold on white

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As for using synthetic in a turbo motor, most hardcore turbo freaks don't use it because they just get into the habit of changing their oil every 2000 miles with conventional oil. Imagine buying 4.25 quarts of synthetic every 2000 miles.

The last 5 quart jug of Mobil-1 I bought was from Walmart in Albany about 8 months ago. I think they stopped selling the 5 quart jugs and started selling 4 quart jugs instead. They have the 4 quarts jugs at BJ's. The jugs are so much more convenient to bring used oil to the gas station to properly dispose.

nizz
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Old 06-11-2002, 02:16 AM   #14
PaulRex
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Default

I hear ya' nizz'. It does get expensive, although i change my oil every 3,000miles not 2000. 2000 is a little premature i think, unless you do some track time, or its a track car.
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