high mileage vs synthetic oil

[etlsport]

im now over 80k miles.. my vx is growing up so fast!

heres my question.. my last 40k have been run with mobil1 full synthetic almost exclusively.. (5w30 and 10w30 depending on season/availability) but now im wondering if it would be better to switch to high mileage formulas or to just stick with regular synthetic.. i havent seen a high mileage specific synthetic.. anyone make one of them?

and i always run a mobil1 filter (except this last change, i got a K&N oil filter at a great price)

[Gussie2000]

Hi eric !

It's a good question,i think it all depends on your perception about if your believe high mileage oil formulas really do the job it was design for;I recall driving my little GEO tracker with more the 100R & used regular oil & never had any issues.

All high mileage oil products just says it's design for the high mileage cars,but doesn't certainly explains whats differs from the regular oil products & they all cost the same price so i don't get it

I guess expert advice is the way to go to clear any doubts

[VCrossfan]

My 2 cents is that oil makers are wanting to cover every field they can, since cars are lasting longer than from the 70's/early 80's there marketing High Mileage, Heavy use, Higher RPM's, SUV, Light Truck, Heavy Truck etc... Is there much or any difference I don't know...But as we all know the oil companies can do and say anything they want with minimal regulations from the government... I'm at 152k miles and have used Mobil1 for the last 70k and I don't see myself ever changing brands/types. 5w-30 Winter and 15w-50 in the summer. They do make a High Mileage 10w-30 and 10w-40

http://www.mobiloil.com/USA-English/...s/Mobil_1.aspx

[Mark B]

I use high mileage GTX 10w 30 in my Isuzu Amigo which has 115,000 miles.
I switched from Mobile 1 at around 80,000.
I don't know if it helps. I don't see any difference.
But advertising works. It makes you think that you are doing something special for your vehicle.

[CoastieCosta567]

i use 10w-40 high milage oil and works great, the diffrence i have seen sence starting to use it for the past 2 years is i have seen better milage, not much but a little better, and most noticeable is the burning of the oil, it does not burn as much thats it, and i got a oil gasket cracked before on the oil pan when i hit a rock and it starting leacking through and thats when i chanced to 10w-40 high milage and what i saw also it stop leaking, so i guess it's thicker as well. but i have been thinking if i should change to full synthetic soon, to see if i see a diffrence.

[Marlin]

Not sure what the PO used, but I use Quaker State 4x4 Torque synthetic. It is a bit cheaper than the Castrol synthetic, but I use it in both my toys. Another good question, how about oil filters, I personally use the FRAM tough filter, but I am gonna guess that they are all about the same.
Speaking of maintenance, I replaced my fuel filter today, I swear it runs better and better throttle response. I am pretty sure it was the original filter at 117K miles.
My fuel pressure regulator will be here tuesday. Cleaned the TPS, which wasn't really all that dirty. New dielectric grease in most of the connections under the hood.
All in all, as far as oil, I think that as long as you do it regularly and use the appropriate weight for your weather, they probably all work out the same. (I am still gonna run synthetic)

[Gussie2000]

Not sure what the PO used, but I use Quaker State 4x4 Torque synthetic. It is a bit cheaper than the Castrol synthetic, but I use it in both my toys. Another good question, how about oil filters, I personally use the FRAM tough filter, but I am gonna guess that they are all about the same.
Speaking of maintenance, I replaced my fuel filter today, I swear it runs better and better throttle response. I am pretty sure it was the original filter at 117K miles.
My fuel pressure regulator will be here tuesday. Cleaned the TPS, which wasn't really all that dirty. New dielectric grease in most of the connections under the hood.
All in all, as far as oil, I think that as long as you do it regularly and use the appropriate weight for your weather, they probably all work out the same. (I am still gonna run synthetic)

That oil seems to be good quality though,i consider this # 1 on my list if mobil 1 ever ran out of stock.

[nfpgasmask]

I buy the regular 10W40 or the the High Mileage stuff. I actually think the High Mileage formula runs pretty good in my VX.

Bart

[VX KAT]

A VX forum member posted link to this study a while back, can't recall who it was, but it certainly gives you clearer understanding of the differences between oil filters and confirms there are big differences.

http://people.msoe.edu/~yoderw/oilfi...lterstudy.html

I just picked up a Royal Purple oil filter at Pep Boys, first time I've seen one by RP. I'll use it next oil change.

[WormGod]

My VX runs with Royal Purple 10w30 w/ Fram filter. I just gave her a fresh change yesterday in the garage actually. Of course my VX only gets about 3k miles a year and 1 oil change a year. Each change I am always draining very clean oil that looks like it could go another 3k and am usually only 1/4 to 1/2 qt low, if at all. 49k on the clock.

I don't really fall for that "older vehicles should use a different oil". I have had vehicles with up to near 200k on the clock and none of them even used synthetic. Never had any major engine issues with any of them. I gave one ('90 Amigo) a valve job just to relieve some slight knocking but it wasn't really needed. I guess if this "geriatric vehicle oil" is no different in price, it wouldn't hurt, but I certainly wouldn't pay any more. Maybe the stuff works as advertised, I dunno. Never used it, heh. I would definitely research it to see just what the advantages are if I decided to though.

[CoastieCosta567]

[QUOTE=WormGod;153833]My VX runs with Royal Purple 10w30 w/ Fram filter. I just gave her a fresh change yesterday in the garage actually. Of course my VX only gets about 3k miles a year and 1 oil change a year. Each change I am always draining very clean oil that looks like it could go another 3k and am usually only 1/4 to 1/2 qt low, if at all. 49k on the clock.
QUOTE]

How it run wormgod? i've been thinking of putting that on, but was not sure if it was to rich.

[Maverick]

Ive been using "regular" mobil one since i bought my truck (had around 55k on it iirc).. i now have 174k on the clock, no issues and runs no different than it did at 55k...oil changes every 5k, 98% highway driving..

maybe i should switch to high mileage oil now....

[twistedsymphony]

A VX forum member posted link to this study a while back, can't recall who it was, but it certainly gives you clearer understanding of the differences between oil filters and confirms there are big differences.

http://people.msoe.edu/~yoderw/oilfi...lterstudy.html

thats the same article I posted earlier in this thread :P

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is there a reason you all use 10W30/40 as opposed to the 5W30 that the owners manual specifies?

[circmand]

im now over 80k miles.. my vx is growing up so fast!

heres my question.. my last 40k have been run with mobil1 full synthetic almost exclusively.. (5w30 and 10w30 depending on season/availability) but now im wondering if it would be better to switch to high mileage formulas or to just stick with regular synthetic.. i havent seen a high mileage specific synthetic.. anyone make one of them?

and i always run a mobil1 filter (except this last change, i got a K&N oil filter at a great price)

Makes a synthetic for high mileage

[BeeVenom]

I'm still using Castrol Syntec, but the 0w30 'europeon formula' since it's supposed to be a 'group 4' synthetic. Used 10w30 syntec up til a couple years ago. Since i change my oil so often (try to stay close to 2500 miles each time) I suppose it doesn't really matter. Have only used the Mobil 1 filter too. The Mobil M-105 filter fits the VX and is a little longer than the one originally spec'd for it, the M-104. As expensive as oil can be, it's still cheap in mho. Scott