Originally Posted By: steveh
I don't believe 15 micron filtration is going to reduce wear by 70%. I think Jay is full of it!!
I think you mean General Motors is full of it...
Originally Posted By: Motorking
"Abrasive engine wear can be substantially reduced with an increase in filter SPE(MP). Compared to a 40 micron filter, engine wear was reduced by 50% with 30 micron filtration." (98% point) "Likewise, wear was reduced by 70% with 15 micron filtration." (SAE TPS 881825 p5 - David R. Staley, General Motors Corp. 1988)
Someone did a study in 1988?? Come on man!! [/quote]