In this case it was more that the VII were inferior to what is available today.Quaker State had their problems during that era.
In this case it was more that the VII were inferior to what is available today.Quaker State had their problems during that era.
LMAO... A older guy used to say at work... "well. that aint the way we been a doin it!" Oh, he also said "don't go a kickin that sleepin dog boys!"
No evidence at all! And I'm ok with it. I don't have the tools or know how to determine whether or not going 10k between oil changes was bad for my car. What I do know is that if there is even a 10% chance it was bad to run 10k, then for me to spend an additional $70 a year (assuming Mobil1 oil/ filter bought at Walmart) to do 2 oil changes that may not be called for is worth it. I don't need to squeeze out every last mile from the oil. What I need is to increase my probability of not having issues with my car. And I'm ok dumping oil that may still have useful life.Of course not one shred of evidence that any of that is true, in fact plenty of evidence in this thread that it is not.
One size does not fit all. This entire discussion is completely dependent upon specific engines and operating conditions. Do you have any evidence that your engine has an issue with the prior OCI?
Which oil?Here's the inside of a Pentastar with 113k. Always about 7500 mile interval which is about 20% left on the OLM. I am considering just running it down to like 5% after seeing this, I don't really see the point in changing more often.
View attachment 76489
Which oil?
Yeah but it's a matter of survival when you purchase a certain brand of vehicle.I don't exceed 4k either (usually 3k nowadays). Even doing 5-6k oil changes, after 100k I started seeing some deposits, I want my engine to last 500k or even a million miles, clean oil, along with sufficient viscosity is the only way to achieve that.
Words were from a hard headed / old timer mechanic who could or would not change and could or would not admit mistakes. That is all it is. I thought it was funny cause we "me and other mechanics" just knew those words were coming from the guy when ever an engineer or a boss would direct us to make changes or even question this man about anything.Huh?
All quality oils.A mish mash really. I guess I have done probably 14 oil changes, I would guess something like...
Edge 5w20 - 2x
PP 5w20 - 3x
QSUD 5w20 - 4x
Mobil 1 5w20 - 3x
Mobil 1 0w20 - 1x
Magnatec 5w20 (the older semi one) - 1x
Then of course the factory fill as well. I also may have used Napa syn once, but I can't remember. It would have been several years ago.
Known a guy who had an an old Chevelle with the 307cubic inches. Never seen a engine smoke out the tail pipe or drink more oil than that car --- still till this day. Anyone mentions a 307 and my eyes immediately roll....Quaker State had their problems during that era.
Ha Ha Ha ... LOL I owned a 1972 Chevelle Malibu with the 307cui. When I looked inside while doing a valve cover gasket change there was so much gunk in there it looked like a plastic coating. Got rid of that car ASAP.Known a guy who had an an old Chevelle with the 307cubic inches. Never seen a engine smoke out the tail pipe or drink more oil than that car --- still till this day. Anyone mentions a 307 and my eyes immediately roll....
Here's the inside of a Pentastar with 113k. Always about 7500 mile interval which is about 20% left on the OLM. I am considering just running it down to like 5% after seeing this, I don't really see the point in changing more often.
View attachment 76489
The machine serving People. Not people serving machines when Additional practical utility is not being gained. Mostmof the reasoning for over servicing is to make the owner feel more secure when the act of using the vehicle puts the vehicles longevity (collisions) at more risk than any service interval can on terms of probability. not may now be more likely to lose our vehicles to damage or degraded enjoyment in ride or features from time than mechanical failure Associated with following factory Recomended service intervals.i wonder if people talk about the benefits of flossing five times a day on dental forums?
if your engine will last 300k on manufacturer OCI and the rest of the car will be trashed by then, does a shorter OCI just result in a slightly cleaner engine in a car that is otherwise still completely trashed?
What is gained by pushing OCI to 10k? Only gain I see is $50-100 a year. Take the Honda Accord with the 1.5L turbo. Huge oil dilution issue. Honda says 10k. The general public will do that. Knowing what I know now, I would change at 5k. My own Accord, not turbo but direct injection, I did 10k OCI. Car consumes oil. Decided to bring it down to 5k. The heck with wasting oil that may have useful life. If anyone here wants to pay shipping, I'd be happy to give you my very expensive used oil for free...it only has 5k on it, you can squeeze out at least another 5k from it.The machine serving People. Not people serving machines when Additional practical utility is not being gained. Mostmof the reasoning for over servicing is to make the owner feel more secure when the act of using the vehicle puts the vehicles longevity (collisions) at more risk than any service interval can on terms of probability. not may now be more likely to lose our vehicles to damage or degraded enjoyment in ride or features from time than mechanical failure Associated with following factory Recomended service intervals.
an analogy I have is service rifles in the military being serviced (cleaned to The point of excess)for the armorers need to display, but with little effect on service life which was based largely on rounds fired.