^ use the toilet paper testing also pati yung dumi sa fingers mo if may maiiwan kapag binbad mo sa used engine oil. If none, then filtration is really good. Sa bosch ginawa ko yan after 5,000kms, very good pa din. Next is 7,500 sa Bosch kung okay pa.
Topped up about 200ml of fresh oil after 1,500kms though.
Better Filtration = Smaller Pore Size
Take one of the following precautions when you increase filtration:
-increase surface area
-increase porosity
-decrease viscosity
-slow down flow rate
"increase the surface area" - does this mean on a very efficient filter getting the biggest size filter that can fit the vehicle?
So I take it meron na BD28? Tumatahimik na lang yung may alam? :D
I guess I will call Volmax again. Na iirita na yung sumasagot. :D
Pati BF7534 wala nung last time na pumunta ako. Hoarded by the full monty?
Update after 4,000 kms:
http://i6.photobucket.com/albums/y209/doy/Photo0784.jpg
Oil color looks deep black in the picture but it's actually just very dark brown. Visually, oil was still smooth with no traces of metal on a white tissue paper and not grainy to the touch. Still using the Asian-made Fleetguard LF 3564.
Just sharing, this is what I installed last week during an oil change. I opt to use this instead of BT223 since there was ample space anyway. Fort gas.
Matched it with Mobil 1 0W-40 European formula.