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Cost price, color and stability. Also the filling equipment needs more cleaning. Impossible to store in bulk/drums without stirring.

People tend to forget that this oil was based on some serious SAE test reports: https://www.sae.org/publications/technical-papers/content/780984/ https://www.sae.org/publications/technical-papers/content/750677/ I also found an article in the New York Times about the "new generations of oils"...

I don't agree, why would Graphite cause problems over MoS2?

Originally Posted By: DrAdmin frankly, it overpriced ($70)... did try once, cant tell how much better comparing to mos2($8); will not buy it again due price; have a feeling ceratec are same; but pennzoil ultra and ceratec react together in my case; again it possibly my perception but mix...

Originally Posted By: Donald Years ago they had graphite added to oil, Arco if I remember right. While your friend swears by it has he really done any scientific testing? Or thats his opinion? Consumer Reports tested oil many years ago in taxi cabs but I would guess it cost several hundred...

Originally Posted By: GaleHawkins Thanks 147_grain. Before I read this I did send an email asking this and specifically how the ceramic bonding occurs. Clearly molybdenum in a crank case will not cause an issue with Ceratec because with any engine with an oil cooler one never gets a 100%...

Originally Posted By: demarpaint Originally Posted By: GaleHawkins demarpaint this is the kind of stuff that drives me up the wall but does not stop me from wading through the manure for answers. If Ceratec contains moly as some posts indicate this email would be more marketing hype than hard...

B (Boron) is part of BN (Boron Nitride) = so called ceramic. Originally Posted By: Izb VOA of Ceratec: http://bmwservice.livejournal.com/38285.html Mo:5419(!) ppm Bo: 359 ppm Which microceramic? Laughing? Mainly ammonium molybdenum (strictly according to MSDS: 5%)

I have been monitoring engine oils with solids (graphite, MoS22 and Boron Nitride ) since 25 years, I never experienced any problems with spark plugs.