[ChowChow]

I use 100% full synthetic oil mixed with bestline additive can i take my truck to 10k before i change the oil? I dont tow or use for heavy driving just the usual stop and go and highway driving.

 

[elyk864]

Depends on the oil you used, what the manufacturer says. Not all synthetics are rated for 10k+.

 

[Ohio Snake]

Be sure to look at the oil specs for extended drain mileage and be sure to match a filter for the extended drain. A filter with just paper media may not be sufficient as an example.

Recommending oil brands and filters people use ruffles too many egos.

I use an oil good for up to 15k miles or 1 year. My oil filter is nano fiber technology for extended drain intervals.


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[ChowChow]

Be sure to look at the oil specs for extended drain mileage and be sure to match a filter for the extended drain. A filter with just paper media may not be sufficient as an example.

Recommending oil brands and filters people use ruffles too many egos.

I use an oil good for up to 15k miles or 1 year. My oil filter is nano fiber technology for extended drain intervals.


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I use castrol 20k oil and a fram ultra synthetic filter.

 

[dejen3303]

2018 with 3.5 Ecoboost. I use Dexos rated 5-30 and an AC Delco PF63E. Change at 5k.

 

[Ohio Snake]

I use castrol 20k oil and a fram ultra synthetic filter.

That’s good stuff. I use the Amsoil line.


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[ChowChow]

That’s good stuff. I use the Amsoil line.


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Thats even better stuff lol. I never got the difference between 100% synthetic and full synthetic. I know 100% is better and i think amsoil and bestline are the only true 100% synthetic on the market. But i could be wrong.

 

[Ohio Snake]

Thats even better stuff lol. I never got the difference between 100% synthetic and full synthetic. I know 100% is better and i think amsoil and bestline are the only true 100% synthetic on the market. But i could be wrong.

There are a few brands that are 100% full synthetic. There can be some different grades of the base stock . The last I heard, Amsoil gets their high grade base stock from Exxon. what makes Mobile 1 different from Amsoil is the proprietary detergents and additives in the base stock. Amsoil oil can go 25k mileage under the right conditions with Signature Series. Amsoil filters are made by Wix and have a proprietary media in them. I use either Amsoil or Wix filters.
Castrol is great oil. There are some threads about Fram filters and media breakdown ruining engines. I really think Fram got a bad rap on their filters. I think people were running extended drain on paper media filters designed for 3000 miles. Fram actually prints the intended use and mileage on its filters boxes, but people don’t read them and buy cheap. Your filter should be fine.


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[ChowChow]

There are a few brands that are 100% full synthetic. There can be some different grades of the base stock . The last I heard, Amsoil gets their high grade base stock from Exxon. what makes Mobile 1 different from Amsoil is the proprietary detergents and additives in the base stock. Amsoil oil can go 25k mileage under the right conditions with Signature Series. Amsoil filters are made by Wix and have a proprietary media in them. I use either Amsoil or Wix filters.
Castrol is great oil. There are some threads about Fram filters and media breakdown ruining engines. I really think Fram got a bad rap on their filters. I think people were running extended drain on paper media filters designed for 3000 miles. Fram actually prints the intended use and mileage on its filters boxes, but people don’t read them and buy cheap. Your filter should be fine.


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Yes youre right i have been using Fram ultra synthetic filters for 5 years and never had an issue they are great filters. I dont know about the regular frams though. I read that there is alot more 100% synthetic oils in Europe,but 2 or 3 in the US. Thanks for all your replys Ohio.