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dodge guy

Bartlett IL

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Posted: 08/29/20 06:37pm Link  |  Quote  |  Print  |  Notify Moderator

mooky stinks wrote:

Funny that this thread is 3 pages long and not one mention of a factory oil life monitor? Must be no one believes in them.


That's because it's only as good as the person that was told to program the system. GM even had a flash tomshorten the interval years ago. Must not be that good if they came out with a flash to change the oil sooner!


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philh

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Posted: 08/29/20 08:41pm Link  |  Quote  |  Print  |  Notify Moderator

You can always test the oil. I do, and towing has ZERO impact on results. What does impact the oil and really showed up on the truck, frequent short trips is horrible on engines. I run to 10k+ plus on all my vehicles. The oil analysis is not only piece of mind, but provides good information too.

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Posted: 08/29/20 10:16pm Link  |  Quote  |  Print  |  Notify Moderator

philh wrote:

You can always test the oil. I do, and towing has ZERO impact on results. What does impact the oil and really showed up on the truck, frequent short trips is horrible on engines. I run to 10k+ plus on all my vehicles. The oil analysis is not only piece of mind, but provides good information too.


X2!
Have mine tested every change.


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time2roll

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Posted: 08/29/20 11:10pm Link  |  Quote  |  Print  |  Notify Moderator

philh wrote:

You can always test the oil. I do, and towing has ZERO impact on results. What does impact the oil and really showed up on the truck, frequent short trips is horrible on engines. I run to 10k+ plus on all my vehicles. The oil analysis is not only piece of mind, but provides good information too.
+1
Confirmed over and over by people getting the oil tested.
Highway miles are easy on the oil. 10,000 miles is not a big deal.


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rfloyd99

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Posted: 08/30/20 07:08pm Link  |  Quote  |  Print  |  Notify Moderator

OP here.For those assuming I had to replace the engine because of poor maintenance/oil change frequency, I that was not the case. I asked the question because I had no knowledge of synthetic oil and what the effect of towing would have on it's longevity. I figured folks on here might have better info than the kid at the oil change place.

RambleOnNW

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Posted: 08/30/20 07:57pm Link  |  Quote  |  Print  |  Notify Moderator

I had an AWD vehicle that I did a lot of mountain driving with. I always changed it with conventional oil at the severe duty change interval of 3800 miles. At 128,000 miles switched to synthetic. What I found was black gunk came out in the oil changes for about 4 changes at 4000 miles intervals. Clearly the heat had coked up some of the conventional oil.


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BenK

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Posted: 08/30/20 10:57pm Link  |  Quote  |  Print  |  Notify Moderator

Synthetic is also like Dino....comes from an oil well. Just processed to a higher level of purity

Synthetic has higher specifications....higher operating temp and more stable, lower coefficient of friction, etc. Dino oil is getting better and the gap is narrowing...but synthetic also continues to improve

Also, the additive packages are different

All why synthetic costs more

Many higher end vehicles now come with synthetic from the factory and is the only oil

An always and continual debate over the merits vs Dino and IMHO, use whatever you wish and as a minimum follow your OEM’s oil recommendations.

I drive VERY hard and always have. So want the highest spec oil, which is synthetic

Tried extended changes, but no for me. Can tell when the oil charge is ready to be changed. Change around 5K-7K (dependent on which vehicle) and/or when the oil changes color ‘enough’...or when the PSI starts to drop and/or starts to be consumed. Just me and not pushing for others to do so


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Cummins12V98

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Posted: 08/31/20 11:07am Link  |  Quote  |  Print  |  Notify Moderator

"I figured folks on here might have better info than the kid at the oil change place."

Yes and no!

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ppine

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Posted: 08/31/20 11:16am Link  |  Quote  |  Print  |  Notify Moderator

Oil continues to improve. Now there are micro filtration systems. Additives can be added back into the oil to prolong its life.

A diesel tractor ran one million miles on the same oil using the above methods. The carbon chains in synthetic oil do not break apart like regular dino oil. The dirt in synthetic oil can be filtered out by adding another filtration system. Additives are no big deal to put back in.

I am a big fan of synthetic oil. It makes for easier starting in the winter, it last longer, and it is really good for vehicles that do not get driven much.

time2roll

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Posted: 08/31/20 11:57am Link  |  Quote  |  Print  |  Notify Moderator

There it is again. Stretching to the full 15,000 and what does the oil analyzer say? Go 17,000

Why is anyone still at 5,000 intervals if driving a lot of highway miles?

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