Conventional oil difficult to find!

Joined
Nov 11, 2022
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OMG! Conventional oil evaporates, burns and degrades. Even the cheap oil change places use a Synthetic blend and not conventional oil. Just use a 10-40 Synthetic high mileage in that clunker & change the oil every 8K miles. Bet you won't have to add much between oil changes.
This reminds me every time I look up my 20+ year old motorcycle manuals and they are telling you to use a conventional oil, the cheapest synthetic blend (CONVENTIONAL OIL NOW) would run rings around the specs that long ago.
 
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Jackson_Slugger

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Most "conventionals" have been what could be called a synthetic blend since at least the SM era if not SJ. If you have used 5W-30 in the last 20 years, odds are that you have already been using a blend. The majors like SOPUS, Valvoline, Castrol, etc. are just doing in the past couple of years what some like ConocoPhilips (Trop-Artic oil) did 20 years ago when they sold it at Target and market their entry level oils as blends, because likely they have been since the advent of hydrocracking...


Does Motorcraft still offer a blend? I recall folks being satisfied and happy with it.

Motorcraft is a quality oil, but it is pretty close to the above CP Trop-Artic, Philips 66, Kendell...
 
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Jackson_Slugger

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The above SP era oils are almost certainly all blends. It's just marketing semantics at this point; Pennzoil, Valvoline and Castrol hesitated to call their entry level oils blends because they didn't want to take away form their specifically purposed synthetic blend-badged oils marketed as high mileage or "Dexos" like Duramax, MaxLife or Gold (Dexos) they charged more for...
 
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I don't know if it has been mentioned but I would use Havoline Synthetic Blend 6 quart boxes for that application. It is currently $19.97 at WalMart. Order 2 on line and it will be shipped to your door for free.
 
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