how many miles do you go before an oil change?

how many miles do you go before an oil change?

  • 3000

    Votes: 0 0.0%
  • 3500

    Votes: 0 0.0%
  • 4000

    Votes: 0 0.0%
  • 4500

    Votes: 0 0.0%
  • 5000

    Votes: 0 0.0%

  • Total voters
    0
I went with 5000 but I often go higher than that on the Mustang. I have my used engine oil analyzed and have gotten very good results with Mobil1 up to 7500. Based on the analysis I could have gone much further but 7500 is what I feel comfortable with on the Mustang so I generally stick to 5000-7500 mile intervals and it has worked out well. The Mustang is about to turn 94K on the odometer and I am the only one who has ever been under the hood...



Here is one of my recent oil analysis of Mobil1 after ~6500 miles.



analysis.jpg
 
I have used both Penzoil and Penzoil High Mileage Conventional with no trouble for about 6 years now. I would love to switch to Mobile 1 but just can't afford it. However, if I ever got a car with any high performance engine I would definitely switch over.

Anyway, mine gets changed every 4,000.



-Frank
 
Funny choices. If this were on BITOG, the choices would have been: 3000, 5000, 10000, 15000, however many miles I drive in 1 year.



I chose 5000 -- as that's what my manual says. That's after break-in. I changed the factory fill at 1500, then 3000, 4000, and then the regular 5000.
 
I go about 5,000 miles or every 6 months (which ever comes first) using Castrol Syntec.



The manual for my 2005 Mazda 6 recommends every 7,500 or six months - but I couldn't see going 7500 between oil changes.
 
15K per BMW Service indicator. It runs fine and there are hudredes of thousands of this engine in service since it became available and I have never heard an oil realated issue other than using the wrong oil.



Steve
 
rjstaaf if you don't mind me asking, how much does it cost to have that test done.



I run Mobile 1 to about 5,000 miles.



Edit: Their website says a standard oil test is $22.50. Is that what you have done, the standard test? Thanks.
 
BlueZero said:
Edit: Their website says a standard oil test is $22.50. Is that what you have done, the standard test? Thanks.

Correct it is $22.50 for the oil analysis. If you want the TBN it is $32.50.



2004 Infiniti G35 6MT

Castrol GTX 5W/30 conventional

Purolator PureOne filter (PL14610)

3,500 miles is what I shoot for (most of the mileage are highway miles)



Here is my engine oil report:

blackstone_oil_report.JPG
 
On my truck with Amzoil I go 10,000 with a filter change at 5000....and UOA comes back saying I could go longer and all is good...



on the Honda I go 12,000 with M1 extended with a filter change at 6,000....and it runs like a top with 200.000 on it.....



I have been using pure1 and wix filters....



AL
 
lol when I had a honda accord(97) I changed the oil once in 2 1/2 years. I changed it when I first bought it and never again. LOL I didn't care too much about that car and it was my daily driver. I don't remember how many miles got put on it when I sold it. My reasoning was that it was a honda and it would be fine. Sure enough, it was. Now its more like 4500
 
BigAl3 said:
how many miles do you go before an oil change? if your choice is not in the poll, please list it... :)



Why did you cut off the survey at 5k miles??



The car used for very short trips gets a change every 3 - 4k miles. The others cars typically go 11K miles or one year, whichever comes. Intervals validated via UOA.
 
Take this as a warning. I work at Valvoline Instant Oil Change and have learned quite abit about this topic. Dont always trust what the manual says or what the dealer says. When they recommend going 5000 miles between oil changes, they are saying that because they want u to use a full synthetic oil or at least a semi-synthetic blend. A conventional oil should be changed out every ~3000 miles. You can end up with warranty problems using conventional oil and going 5000 miles between changes. I know people who have been screwed by dealers this way.



Even using a sythentic oil, i change every 3000 miles. Why? Sure is better spending a little bit more money in the beginning than having more engine troubles down the road.



Also, just a heads up, but the time when cars have to use sythentic oil is coming up soon.
 
15,500+/-. MINIs have service counters that count down from 15,500 miles after each oil change, when it gets low I make my appointment to have it changed.
 
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