Quote:
Originally Posted by SRT356/911
Good to know about Driven. I have been using SWEPCO 306 20w-50 in my air cooled race engines for years.
Have now switched to Motul for my 2015 Cayman GTS based on previous recommendation from Charles.
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Indeed there are some good oils out there including Swepco. Many have had excellent results with LM and Motul but formulations do vary so it's best to do used oil analysis so you know the health of your engine and also how well a particular oil is performing for how you use your car.
I'll also throw out that many assume the LM oils have moly in them and if they do, it's usually not much- that is not always the case. Many use their MoS2 or Ceratec additives which boost moly FM levels, but on average, Driven oils have more moly in them out of the bottle than adding LM additives to an A40 approved oil.