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oh and as an fyi who makes it depends on the contract at the time, so to answer that question for everyone it could be warren 1 year and citgo the next just like everyone else including motorcraft, gm, etc. it all boils down to which company is willign to mnanufacture it for less. which again...

i dont care who makes it what i want to know ( and cant find anything about or any online reviews) is the stuff any good or is it trash? local store carries it ( $27.99 for 2 gallons) which if it is any good would be perfect for me seeing as my application is a 1987 motorhome that uses dex III...

basically rotella just didnt want to bow to the epa with the 10w30 by lowering the zddp. when the epa and fed started pushing emissions and use of catalytic converters on new vehicles was when oil started to lose additives that older gasoline engines needed which is why people started using...

my application is a 34' fleetwood pace arrow eleganza ( john deere with ford carbureted 460/c6 trans/dana70HD) so no cat in my application. 10w30 was factory but a lot of people online ( same application of class A motorhome ford 460) were using the rotella 15w40 diesel oil which was easier to...

as i understand it the 10w30 is not but i cannot confirm due to only 15w40 being in my local stores

FEB 2024 bought 2 gallons from walmart and i can confirm SN is on the gallon jugs. i just wish walmart would have had the 10w30 in stock seeing as im going to use it in a 1987 34ft class A motorhome with a ford 460 LOL