Can PP go for 6000 miles before being changed?

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I've been leaving my 5w20 PP in for 6000 miles, but change the filter at 3000. So far so good, but I haven't had the oil tested either.
 
Originally Posted By: gulfstream
Could I leave PP 10w-30 in my cars for at least 6,000 miles?

Thanks!


ya i am pretty sure you can. if you can't then whats the point of synthetics
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You will be fine. I've gone longer than that on dino juice and my car is going on 190k miles. You're just wasting your money if you change out synthetic too often.
 
Originally Posted By: 65cuda
I've been leaving my 5w20 PP in for 6000 miles, but change the filter at 3000. So far so good, but I haven't had the oil tested either.


Do your engine a favor and leave the filter in for 12,000 miles. They get MORE efficient as they are used. Even the cheapest filters do fine for 12,000 miles, unless your car is sludging.

I run the tiny Wix filters on my Subaru for 15,000 miles, with great UOA's. The Motorcraft I run for at least 10,000 miles (Manufacturer suggests 3000 or 5000 mile Oil Change Intervals).

OCI's on the Subaru as well as the 4.6 Modular with PP suggest intervals well over 10,000 miles are fine.
 
I ran 10k mile changes with pp on my Cirrus V6 for 110k miles. Sold the car and it never smoked a drop of oil even with 5w20.
 
Maybe it's my imagination, but I thought my '06 Camry's engine was a little louder after 4,000 miles on the PP, so I changed it out--it was 7 full months anyway (one month longer than the 6 required by warranty). Has anyone else heard sound changes in their engines the longer the oil stays in--dino or synth?
 
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Could be thinning out for any number of reasons,such as the # of short trips,fuel dilution,etc. 6 months is tops for me with my rig and my driving. That's only 3-4k. Better to change too soon, than too late. I refuse to be "penny rich and pound foolish".
 
Originally Posted By: Titan
Do your engine a favor and leave the filter in for 12,000 miles. They get MORE efficient as they are used. Even the cheapest filters do fine for 12,000 miles, unless your car is sludging.

Absolutely right. If you want more larger particles floating around in your oil change the filter a lot.
 
Originally Posted By: gulfstream
Could I leave PP 10w-30 in my cars for at least 6,000 miles?

Thanks!


Yes, depending on your driving style. If it is stop & go city then 6000 would be my limit. I run PP 5w30 in my truck which gets all stop & go driving. My OLM hits 10% at 5000 which is where I change. I could stretch it to 0% and maybe get 5500-5800 but I have a 100k warranty from GM on the engine that I don't want to void and the dealer told me never go to 0% or GM will refuse service. So, 6000 would be my absoulte limit. Others here will tell you differently but won't repair your engine.
 
These OCI's I continually read about here on BITOG are astonishing to me because of my experience before coming to BITOG. I began using Mobil One back in the 70's when it first came out, and it was said to be good for one year or 25,000 mile OCI's. I took them at their word, and a one year OCI it was, up until I retired in 2001. One year was usually 18,000 to 20,000 miles. I usually had to add 2 or 3 quarts of oil per year. This was why M1 quit advertising 25,000 mile OCI's, by the way. Many people were not checking their oil level and were running out of oil and ruining their engines.

My engines always stayed clean and quiet up to 140,000 miles, which was seven years, and about the longest I ever kept a car. When I retired in 2001, my driving fell down to about 5- or 6 thousand miles a year, and I began to use regular dino oil, changed twice a year. I just couldn't see wasting good synthetic driving only 6,000 miles a year. I still use Mobil 1 in my lawnmower, however, with a one year OCI.

Inasmuch as PP makes no claims for mileage, and is not PAO, I do not know what to think about it. Changed at 5,000 mile intervals, regular dino will give 200,000 to 300,000 miles in most cars. I used M1 back in the day to get a one year OCI regardless of the miles. My belief is that unless you have a turbocharged engine or a known sludger, unless you are doing extended OCI's, there is no point in using synthetic oils.
 
1999nick, I love posts like that. I wish there were more war stories on here of people believing what the petro engineers said and took their oil where it's designed to go.

I'm now attempting to push PP 5w20 out to 10k or so in my '98 Sienna minivan. We'll see how it does (plan to UOA).
 
I think any synthetic oil can go the miles as long as you have a good filter big enough to hold that much dirt in the filter media.

For myself I change mine out at 3K. That's about 6 months for me anyway.

Durango
 
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