Synthetic Oil Users

How often do you change your synthetic oil?

  • 3 to 5 thousand miles?

    Votes: 38 30.4%
  • 5 to 10 thousand miles?

    Votes: 61 48.8%
  • 10 thousand miles or more?

    Votes: 12 9.6%
  • Once a year regardless of mileage?

    Votes: 14 11.2%

  • Total voters
    125
Our daily drivers get changed around every 4500-5000 miles. Our summer cars get limited miles and are just once in the fall. We will run them every few weeks in the winter just to keep things lubed.
 
Another Amsoil user here. On the truck I change it once a year or 25,000 miles. Once a year on the Harley also. I've been using Amsoil for 29 years and never had any problems. Most people become dealers and get the discounted prices on all of the Amsoil products.
 
I run Mobil 1 in my Vette and 2010 Tundra Truck. I only put about 5,000 miles on each vehicle and change once a year.

In the Vette I do it right before the car is going away for its long winter sleep (in about 2 more weeks) till beginning of April. (Do other things also but that's for another tread) FWIW this is totally legal to maintain my warranty and now my extended warranty.

With my truck I do a change the same time it goes in for inspection (November)

My wife car gets more driving than the above and she still uses Dino oil and changes it every 6,000 miles. Heck it's her car her money.

I have been around cars all my life and even the Dino oils of today are far superior to the stuff of yesteryear and the oil change intervals are much longer.

When I first started driving the intervals were 3 months-3,000 MAX but thankfully that is long in the past.

FWIW I use synthetic in generator and for all my 2 strokes I use Steihl synthetic oil. Both toys and tools that comes up to 6 that fill off the same can!
 
I change at 5 thousand miles, but only because I have been told, by several people who "ought" to know, that the oil filter begins to break down at about 5K.

Bob
 
I've been pretty careful to change my oil, regardless of the type, regularly and it has paid off. My vehicles, so far, have lasted a long time, had no problems to speak of.

I do recall though, back in the days when I had no extra money.

I changed the oil in my Ford Pinto just before starting Law School. I next changed it about a month after I graduated and got my first paycheck. That'd be over two and a half calendar years :eek:

That faithful old Pinto still kept running another year until I, unfaithfully, traded it for a Mustang.

Bob
 
Use Mobile 1 in all our vehicles. Change oil every 10,000 but change the filter at 5,000. My wife's 4Runner has over 110,000 miles and my Tacoma is almost 110,000. Other than shocks and struts neither has needed anything besides windshield wipers.
 
We have an 05 Durango with 89000 on it, and I switched to synthetic blend about three years ago. I try to change every 5000 on that one. Just bought a '15 Nissan sedan, and it came with free oil changes for 7 years. So, every 5000 on that one for sure!
 
Various Thoughts:

This deep into the thread and no one has mention Bob is the Oil Guy website yet.

I tend to follow the owner's manuals for my vehicles, and change the oil, etc, as they recommend. I think they are very conservative and you could go a lot longer between changes, but I tend to be pretty conservative myself.

I am no expert, but I have always read that you can't tell much about the condition of your oil by how dark it is. See the Oil Guy website for more. Of course, if your oil looks milky, it may have water in it. (Or may be contaminated with something else). So it doesn't hurt to do a visual check and do it often. Naturally, you will want to keep it topped up.

I think it is foolish to pay a lot for oil then scrimp on the filter. Either scrimp on everything or scrimp on nothing.

Dino oils are probably plenty good for most cars, depending on how they are driven. Again, let the factory owner's manual guide you on this. For most of us, synthetics are probably overkill.
 
My truck and my wife's car get the oil changed when the oil change light comes on. I put regular oil in my truck. Her car calls for 0w20 oil, and to my knowledge, synthetic is the only option there.

My son's truck burns enough oil that it'll ever need an oil change.:eek:Perhaps a filter every now and again.:D
 
Good point brought up regarding el cheapo oil filters. Paper bypass valves may not survive 10,000mi. Buy a decent oil filter if you want to reach for >5,000
Napa Gold and the better Purolator filters are decent, but there are others too.
 
I change at 5 thousand miles, but only because I have been told, by several people who "ought" to know, that the oil filter begins to break down at about 5K.

Bob

That's true. I run Mobil 1, 8000-10,000 miles between changes. However, I change filters every 3000 miles and of course, when I change oil. I don't care what oil or filter you run, leave a filter on more than 7500 miles, it'll plug up.
 
The fleet of F150's at work run Mobil 1 with a 10K drain interval. At every oil change a sample undergoes analysis at CAT to check for wear metals and contamination so the 10K interval is based on reliable information.
 
Good point brought up regarding el cheapo oil filters. Paper bypass valves may not survive 10,000mi. Buy a decent oil filter if you want to reach for >5,000
Napa Gold and the better Purolator filters are decent, but there are others too.

I believe Wix makes the filters for the high end Napa's, excellent quality. I use them, Wix, in our daily drivers. Delco filters in the vette.
 

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