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How Long Between Oil Changes Using Mobil 1?


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#1 skatehouse

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Posted 14 November 2005 - 01:14 AM

What is the mileage recommendation between oil changes using Mobil 1?

1994 Volvo 850 Turbo Wagon. Daily "Road Rep" driver. 220K

Weitec Springs, Speedtunig 17psi Chip, Magnecore 8.5 wires, 17"Pegs w Nitto 225/40's, Slater Endlinks, Camber Kit, Full 2.5" exhaust w/Magnaflow muffler.



#2 Mesoam

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Posted 14 November 2005 - 01:25 AM

5k for the "normal" person
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#3 biged30

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Posted 14 November 2005 - 01:34 AM

5K will work long as you never push it. BUt everyone at some point during the interval will push their engine. Mobil 1 will last longer than regualr conventional ao just keep an eye on it and you can make the judgement.
Ed Harrison
98 S70 Silver
Engine:K&N, Stinger SP-1000 Red Top
Cosmetic: Xenon, R series front spoiler, 30% tint
A/V: Pioneer deck , Rockford Fosgate 5 1/4"components, JL Audio 5.25" rears, Pair of 6x9 Pioneers, 8" Rockford Fosgate Mid Bass, Rockford Fosgate P4004 amp and P201 amp, JL Audio e21250 amp, 1.5 farad capacitor, 10" Kenwood Subs, 7" Farenheit Monitor
Wheels: 16" Sendel Style 70s, Brembo kit

#4 skatehouse

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Posted 14 November 2005 - 02:16 AM

Yes...I'm sure most everyone on this site pushes it otherwise this site would be called Volvopuss or Volvonogo. So anyways, what does that mean realistically? 4000 miles or so? Does it become more frequent as the cars mileage adds up? Is looking at the color on the dipstick any indication?

1994 Volvo 850 Turbo Wagon. Daily "Road Rep" driver. 220K

Weitec Springs, Speedtunig 17psi Chip, Magnecore 8.5 wires, 17"Pegs w Nitto 225/40's, Slater Endlinks, Camber Kit, Full 2.5" exhaust w/Magnaflow muffler.

#5 Guest_Guest_*

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Posted 14 November 2005 - 02:23 AM

I actually called mobil and asked them about this once and the tech told me that you HAVE to change the oil every 3K if that is when you do it with regular oil, in other words, synthetic does not allow you to drive longer on the oil...

#6 starfish

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Posted 14 November 2005 - 02:41 AM

Back in the 1970's Mobil 1 advertised 25,000 mile oil change intervals. Now they have an "Extended Performance" Mobil 1 synthetic oil that is said to have 36% more anti wear additives and 37% more cleaning agents than the current Mobil 1 yet this product only guarentees performance and protection up to 15,000 mile oil change intervals. Maybe a change in science or more likely marketing strategy. Either way I change mine every 7,500 miles.
<insert witty comment here>

#7 biged30

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Posted 14 November 2005 - 02:52 AM

realistically you can do 4K. 3K is only a reccomendation to prevent any liability. just look for signs of the oil getting deposits and getting dirty. You'll really know from performance.
Ed Harrison
98 S70 Silver
Engine:K&N, Stinger SP-1000 Red Top
Cosmetic: Xenon, R series front spoiler, 30% tint
A/V: Pioneer deck , Rockford Fosgate 5 1/4"components, JL Audio 5.25" rears, Pair of 6x9 Pioneers, 8" Rockford Fosgate Mid Bass, Rockford Fosgate P4004 amp and P201 amp, JL Audio e21250 amp, 1.5 farad capacitor, 10" Kenwood Subs, 7" Farenheit Monitor
Wheels: 16" Sendel Style 70s, Brembo kit

#8 mogli

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Posted 14 November 2005 - 12:20 PM

Two schools of thought on reading the color of oil. One is that 'clean' oil is not doing its job, which is to hold contaminants in suspension. The other is that color means nothing at all, only the mileage matters.

IMO choosing a short oil change interval isn't a good idea since there is some evidence that new oil causes more wear than broken-in oil, and also one must remember that this stuff doesn't grow on trees. Most of us would go through some effort to add a mile or two per gallon to our fuel efficiency, which is only few % improvement. Extending an OCI to 4,000 (or more) from 3,000 is a 25% improvement with no downside for most of us.
95 850 NA 110,000 miles or so

#9 Drew

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Posted 14 November 2005 - 01:12 PM

5K will work fine. Been doing it on several cars for several years. No issues.
Other parts of the car will fall apart or fail long before the motor due to doing a 5K mile change vs. a 3K mile change...........
Good Luck
Doug
98' S70 GLT Auto with a little turbo.

#10 Alfredo

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Posted 14 November 2005 - 06:36 PM

yes, 5m miles will be fine for turbos. On normal aspirated engines you can push over 15m or even more with Mobil1 SuperSyn but the problem is to change the oil filter prior those 15m. excl.gif
regards
S40 2.0T MY2000 silver-metalic autom. with 115.000 miles

#11 KLS

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Posted 14 November 2005 - 09:24 PM

5000 miles is safe. Mobil 1 is good for longer, but the only way to tell is to have a lab analyze the oil. The phone person at ExxonMobil has a script that says basically, don't stick the corporate neck out. Mobil 1 5W-40 is my choice of oil for our cars.

Here is one Mobil 1 experience.
http://neptune.space...s/oil-life.html


Ken

#12 Trunks850R

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Posted 14 November 2005 - 09:34 PM

okay who are the people telling us to change our oil every 3k? the oil comapnys! if you read the owners manual of any car they usually say 5k. i do mine at 4k using only volvo filters and mobil1 15w50(the 15000 mile stuff) im switching to 10w40 next week because of the temp.

a 3000 miles your oil is just begining to break down, my dad is a mechanical engineer who specializes in oil and vibration analysist. he checked my trucks oil(at the y-12 plant he worked at, you know, where they built the A-bomb?) with 3500 miles on castrol gtx and said it showed no signs of break down

<img src="http://i45.photobuck.../trunkssig.jpg" border="0" class="linked-sig-image" />
1997 Volvo 850R. Black on Black. Full Engine and suspension Build. 22 psi with over 300whp.
2004 Volvo S60R. Daily Driver. Turbo Back 3 inch stainless steel exhaust, carbon fiber lip

1998 Volvo S70T5M. 18 inch Pegs, much more to come


#13 mikeo

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Posted 14 November 2005 - 09:58 PM

It is not just miles, but time. As we know, driving car short distances is worst for engine and oil breakdown. If was purely highway miles, dino oil at 4K miles should be fine. Mobil 1 at about 5K. If dino, it should be changed every 3 to 6 months. If use Mobil 1 and less than 5K miles yearly, once year is fine.

To me, changing oil and filter is cheap insurance, and rather change more frequently. I personally change mine every 3,000 or 3 to 5 months. I am looking to get over 200K miles without removing the heads on my 850. I feel for my non Turbo 850, regular dino changes with quality oil like Castrol (10x30) is fine. If lived in very cold temps, or very hot summers would use Mobil 1.

I am a big fan for Mobil 1 oil for higher performance engines that rev much higher than the 850. In one of my other cars that is high performance, I switched from dino at 60K miles to Mobil 1 (15x50) and had no oil leaks, or problems. Mobil 1 is a great oil.
95 850 GLT
Connecticut

#14 ToxicLemonade

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Posted 15 November 2005 - 12:45 AM

I change mine every 8000k miles with 10w-30 mobil 1. i believe anything less is a marketing plot. my dad has changed his amsoil in his 04 jetta TDI every 10K with absolutely no problems what so ever, and the car just passed 110K miles. if you change synthetic at 3K miles, put it back in the used oil containers and ill pay for you to ship it to me.
Yellow 5 speed T5-R

#15 skatehouse

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Posted 15 November 2005 - 07:27 AM

WOw! No simple answer here...except to use common sense. I was going to ask about Amsoil Vs Mobil 1 but that's a whole nother' topic. Thanks for your comments and suggestions. I'll stick with 4-5000 and drive it like I stole it. Actually, I did steal it. ha ha! tongue.gif

[attachment=203:attachment]

1994 Volvo 850 Turbo Wagon. Daily "Road Rep" driver. 220K

Weitec Springs, Speedtunig 17psi Chip, Magnecore 8.5 wires, 17"Pegs w Nitto 225/40's, Slater Endlinks, Camber Kit, Full 2.5" exhaust w/Magnaflow muffler.

#16 Drew

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Posted 15 November 2005 - 02:38 PM

QUOTE(skatehouse @ Nov 15 2005, 01:27 AM) View Post
WOw! No simple answer here...except to use common sense. I was going to ask about Amsoil Vs Mobil 1 but that's a whole nother' topic. Thanks for your comments and suggestions. I'll stick with 4-5000 and drive it like I stole it. Actually, I did steal it. ha ha! tongue.gif

[attachment=203:attachment]


Amsoil is better.....
Mobil 1 is acceptable....
5K because it's easy to remember on the odometer... biggrin.gif
98' S70 GLT Auto with a little turbo.

#17 Alfredo

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Posted 15 November 2005 - 06:07 PM

QUOTE(Drew @ Nov 15 2005, 08:38 AM) View Post
Amsoil is better.....Mobil 1 is acceptable....5K because it's easy to remember on the odometer... biggrin.gif



I know that, unfort I cannot find this label either in Spain nor in Europe. You give me location in Spain where I can find Amsoil and you may chalk up a Bud !
rgds
S40 2.0T MY2000 silver-metalic autom. with 115.000 miles

#18 Drew

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Posted 16 November 2005 - 12:55 AM

QUOTE(Alfredo @ Nov 15 2005, 12:07 PM) View Post
I know that, unfort I cannot find this label either in Spain nor in Europe. You give me location in Spain where I can find Amsoil and you may chalk up a Bud !
rgds


Hmmm. I'll check with the guy who gets me my Amsoil oil that I use in my jetski. Maybe he'll know of a distributor in Spain. The ski is the only thing I use Amsoil in.
And really, Mobil 1 is more than adequate for the purpose. I run it in all my cars with no worries.

I even use the used Mobil 1 that I take out of the cars for the old lawn mower! tongue.gif The POS burns so much oil I'm starting to wonder if it's really a 2 stroke with an identity crisis!! unsure.gif

Good Luck Everyone!
Doug
98' S70 GLT Auto with a little turbo.

#19 KLS

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Posted 16 November 2005 - 05:17 PM

Europe has some fine 5W-40 engine oils that we don't get here in the colonies. I'd use any major brand 5W-40 rated ACEA A5 or A3.


Ken

#20 Trunks850R

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Posted 16 November 2005 - 05:27 PM

SO YOU ALL really think amsoil is better than mobil one huh? ive never done any research on amsoil, anyone care to enlighten me?
oh yeah, funny story real quick since were on the oil topic: the last shop i worked at 3 years ago, our oil change guy was about as country as you could get(we called him mountain man and he literally had no teeth) but anyways he use to take all the empty bottles of oil and turn them upside down into a gallon jug and after about 3 weeks it would be full. he would run it in his old camero he had at home. we called it "heinz57 part everything"

<img src="http://i45.photobuck.../trunkssig.jpg" border="0" class="linked-sig-image" />
1997 Volvo 850R. Black on Black. Full Engine and suspension Build. 22 psi with over 300whp.
2004 Volvo S60R. Daily Driver. Turbo Back 3 inch stainless steel exhaust, carbon fiber lip

1998 Volvo S70T5M. 18 inch Pegs, much more to come







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