Originally Posted By: jk_636
Originally Posted By: benjy
running clean new oil thru a dirty-used filter makes no sense, but changing the filter say halfway between on long drains does.
Re using a filter never makes any sense. People should stop being cheap and just buy a new filter. You have nothing to lose but a couple bucks in your pocket. Or on the flip side, use the same filter, load it up, tear the media or put it in bypass constantly. Sounds like the extra $~10 or so is well worth it.
I agree with you on that one. My manual says I CAN use a filter twice and also I never HAVE to change the transmission fluid. I don't follow either. As for oil filters getting more efficient as they load up, I don't buy that. More BITOG myth I think. Oil filters under high hydraulic pressure are not the same as air filters. I have yet to see oil filter companies specify efficiency of a new filter versus a loaded filter. They load the filters with particles per the test, and publish one efficiency number. I use a new, flowing as intended, filter each time, and get all the old oil out I can with it. If the filter looks pretty clean when I take it off, that's good news not bad.
Originally Posted By: benjy
running clean new oil thru a dirty-used filter makes no sense, but changing the filter say halfway between on long drains does.
Re using a filter never makes any sense. People should stop being cheap and just buy a new filter. You have nothing to lose but a couple bucks in your pocket. Or on the flip side, use the same filter, load it up, tear the media or put it in bypass constantly. Sounds like the extra $~10 or so is well worth it.
I agree with you on that one. My manual says I CAN use a filter twice and also I never HAVE to change the transmission fluid. I don't follow either. As for oil filters getting more efficient as they load up, I don't buy that. More BITOG myth I think. Oil filters under high hydraulic pressure are not the same as air filters. I have yet to see oil filter companies specify efficiency of a new filter versus a loaded filter. They load the filters with particles per the test, and publish one efficiency number. I use a new, flowing as intended, filter each time, and get all the old oil out I can with it. If the filter looks pretty clean when I take it off, that's good news not bad.