Automotive Air Conditioning Information Forum (Archives)

NickD on Sat December 15, 2012 6:23 AM

Thought is was the function of the air filter to keep dust out of the engine. Oil filter deals with the mess generated within the confines of the engine. No such thing as a perfect piston ring, always a degree of blowby. Then the oil filter is only a particulate filter, doesn't do a thing for the acids generated in the combustion process. So not only have to change the filter, but the oil as well.

For city driver's, recommended changes are at least every 3,000 miles. EGR and PCV systems don't help, but what really hurts is the stuff you put in the tank at four bucks a gallon. It's a filthy fuel.

The oil in my now 30 year old motorhome MVAC is still clean, because its in a sealed system and doesn't even need a filter.

Even Henry Ford realized the HC fuels available were filthy, he and Thomas Edison spent ten million dollars and ten years trying to develop a battery, but failed. Still trying to do that today without much success. One thing they can do and have the technology to do this, is to remove the C from HC's. But congress and other countries voted against this.

I have been changing my own oil for the last 60 years, can't even find a person that can perform this simple tasks. Can't even screw in a drain plug straight without stripping the threads, nor fill the oil to the fill mark, not properly tighten the filter.

Cussboy on Sat December 15, 2012 2:16 PM

Quote

I have been changing my own oil for the last 60 years, can't even find a person that can perform this simple tasks. Can't even screw in a drain plug straight without stripping the threads, nor fill the oil to the fill mark, not properly tighten the filter.

Like you, I trust me. For only 40 years, though.

NickD on Sat December 15, 2012 3:45 PM

Use to come in cans, still have that punch in nozzle someplace. With bottles, could toss those in the trash can, can't do that anymore. In the country, poured the old oil on my brush pile. Today, buy the five quart bottles and return those to the place I purchased that oil from. But always ask for a partial refund, but never get it. Someone is making a bundle off that used oil. A lot easier to re-refine from that stuff under the ground.