Here’s what my oil looks like at 4000 miles

[iBookmaster]

Name any reason a mechanic would know more about oil than a person that's been changing and working on their own cars for 20+years. They don't have any special "oil training".

Could it possibly be because he’s been changing and working on his own car and others cars ALL DAY LONG, EVERY DAY for 20+ years and is trained to do so. Why are there so many people that dismiss what real mechanics say? I don’t know but, I am not one of them. I’ll take their word over any forum member that thinks they know more than trained mechanics.

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[Schwerin]

Could it possibly be because he’s been changing and working on his own car and others cars ALL DAY LONG, EVERY DAY for 20+ years and is trained to do so. Why are there so many people that dismiss what real mechanics say? I don’t know but, I am not one of them. I’ll take their word over any forum member that thinks they know more than trained mechanics.

Oh, so he knows just as much as the average car guy.. got it. People dismiss mechanics because they know NOTHING MORE than just an experienced backyard mechanic. They just follow the manual. That doesn't give them magical knowledge. If he was a Ford Mustang Specialist, that would be different.

Who would you trust more about mustang knowledge? The guy that tore down his own Mustangs engine in his garage, refreshed it, and put it back in, and races it on the track all season, or the guy that works on your grandma's Sable when it needs new spark plugs?

 

[iBookmaster]

Oh, so he knows just as much as the average car guy.. got it. People dismiss mechanics because they know NOTHING MORE than just an experienced backyard mechanic. They just follow the manual. That doesn't give them magical knowledge. If he was a Ford Mustang Specialist, that would be different.

Who would you trust more about mustang knowledge? The guy that tore down his own Mustangs engine in his garage, refreshed it, and put it back in, and races it on the track all season, or the guy that works on your grandma's Sable when it needs new spark plugs?

I would trust the mechanic that HAS TORN DOWN ENGINES DAILY AND REBUILT THEM instead of a backyard do it your selfer. Think about it but, suit yourself.

 

[Schwerin]

I would trust the mechanic that HAS TORN DOWN ENGINES DAILY AND REBUILT THEM instead of a backyard do it your selfer. Think about it but, suit yourself.

Maybe you should say what it is your nephew actually does as a mechanic. You can work at pepboys and be a "mechanic".

Saying he is a "mechanic" mean nothing as any 18-19yo kid can get a job as a "mechanic".

It's like saying I'm a cook. Am I a cook at a corner soup deli? Or am I a cook at a 5 star restaurant? They are completely different things.

 

[iBookmaster]

Maybe you should say what it is your nephew actually does as a mechanic. You can work at pepboys and be a "mechanic".

Saying he is a "mechanic" mean nothing as any 18-19yo kid can get a job as a "mechanic".

It's like saying I'm a cook. Am I a cook at a corner soup deli? Or am I a cook at a 5 star restaurant? They are completely different things.

No, I’m totally convinced now that all backyard “mechanics” are far more qualified than real, trained mechanics! You have totally convinced me real mechanics know absolutely nothing! Only back yard do it your self guys know anything! Obviously!

 

[RichBrew]

I would trust the mechanic that HAS TORN DOWN ENGINES DAILY AND REBUILT THEM instead of a backyard do it your selfer. Think about it but, suit yourself.

Of course, we all know that the opinion of any mechanic supersedes actual science. Companies that study oil and provide oil analysis as their primary business, car manufacturers who design and build engines, can't possibly know as much about oil as someone who has learned how to use a screwdriver.

 

[GregO]

https://www.castrol.com/en_us/unite...-brand/castrol-edge-extended-performance.html

Whoa, 20,000 miles............... Must be that secret sauce Porsche developed and their suggested OCI

 

[Hadelson]

In my opinion, personal choice. If it provides you security by changing the oil then all is good. That said, worked for a transportation company years back. They have an extensive fleet of orange trucks. Long term studies of the big Diesels indicated using the correct synthetic coupled with short idling after a long run circulating the oil through the filter........oil changes at 50K. As stated, this 20 years ago so sure it's changed.

For me, it's a weather thing and change oil in the spring when it warms up and in the fall before the onset of cold weather. My driven miles for these intervals is well under recommended OEM specs. Truth is my bones creak and cold kicks my butt and this is my motivator.

 

[1badrz28]

I change my oil at the intervals I feel comfortable with. But what I do find funny, is that you rarely ever hear of any engine getting hurt due to the oil giving out or losing it's crucial lubricating properties. Generally, it's a mechanical failure that caused the engine condition. As long as the oil isn't carrying dirt/debris over a specific size, most engines will last a long while on longer duration oil changes. I've used the Valvoline recycled oil on my Acura for 6 years and at 96k, it's still doing great and quite honestly, I bet the oils of 30-40 years ago(if kept clean) could have no problem with 5-10k changes. They may leave more sludge, but the lubricating properties would still be somewhat in affect. Since I grew up in a repair shop, the only oil problem I have seen was where a female owner of a Cavalier never changed the oil in 80k miles. She thought if it was low, she just kept adding to top it off. That engine lasted 80k with an almost original filter and maybe some remnants of the original oil.

 

[RichBrew]

I change my oil at the intervals I feel comfortable with. But what I do find funny, is that you rarely ever hear of any engine getting hurt due to the oil giving out or losing it's crucial lubricating properties. Generally, it's a mechanical failure that caused the engine condition. As long as the oil isn't carrying dirt/debris over a specific size, most engines will last a long while on longer duration oil changes. I've used the Valvoline recycled oil on my Acura for 6 years and at 96k, it's still doing great and quite honestly, I bet the oils of 30-40 years ago(if kept clean) could have no problem with 5-10k changes. They may leave more sludge, but the lubricating properties would still be somewhat in affect. Since I grew up in a repair shop, the only oil problem I have seen was where a female owner of a Cavalier never changed the oil in 80k miles. She thought if it was low, she just kept adding to top it off. That engine lasted 80k with an almost original filter and maybe some remnants of the original oil.

this just reminded me of a similar situation. my dad had a mid 80's maxima with the I6 motor. around 120k miles, some tech messed up the oil plug, and couldnt get it out without drilling it out. Of course, my dad didnt want to pay for that. so he never did. From then on, he just topped it off now and then. That motor was well over 200k miles by the time he finally got rid of it because the rest of the car was falling apart.

 

[FreedomPenguin]

My motorcycle oil in my sportbike goes black almost instantly within an hour of riding,

Color means nothing. It’s the chemicals doing their jobs. The detergents are still working just fine.

I will be changing my oils every 10k miles just like every other car I own.

 

[GregO]

My motorcycle oil in my sportbike goes black almost instantly within an hour of riding

Is your Sportbike Wet or Dry clutch system ?

 

[FreedomPenguin]

Is your Sportbike Wet or Dry clutch system ?

pretty sure wet, ive never had a dry clutch system.

 

[GregO]

pretty sure wet, ive never had a dry clutch system.

You'd have a Ducati if Dry.
The Wet clutch is whats adding pigment to your fresh oil.

 

[FreedomPenguin]

You'd have a Ducati if Dry.
The Wet clutch is whats adding pigment to you fresh oil.

ah, no. ive only had Suzuki's, and makes sense. clutch pigments shearing into oil. still though, that doesn't make the oil bad right? because I rock it for a long time and engine is clean as a whistle. Only way to really know is have a sample analyzed if I recall to see if its still holding up to the task of lubrication/cleaning

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