IMHO one of the most interesting things regarding HPL have been the oil filter media photos (Before/After) which show the amount of deposits HPL has removed from engines which have had "normal" maintenance on other oils.Folks , what happened with the store shelf oils vs the specialty oils here recently? A while back lots of people on BITOG encouraged
people to "save your money and buy off the shelf at walmart or supertech etc..." I thought that was decent advice even though to each his own.
Now lately one of the hot topics here has been HPL. From what I have read is some very impressive / higher priced fluids. I am always
reading about every word I can about lubrication & companies. Is the latest interest in HPL mainly because some have found that their
long time favorites keep changing formulations or are being to difficult answering when contacted? I do see that HPL is very impressive and a consumer friendly manufacturer/supplier just exactly as you always want a really proud and confident company to be. They
also seem to back up their product with all the info they can get to the customers.
Of course when it comes to offering recommendations context is everything. Specifically the users intended oil change interval (5k vs 10k).
Out of my own curiosity I have HPL 5w30 (ACEA C3) in the sump of my BMW. Going to run it for a year and take a look at the filter along with a UOA for viscosity/TBN.