- Joined
- Jul 25, 2020
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Let's ask a few questions about this.I would guess you chose not to engage because you also have nothing to support a view that an oil catch can does anything in the slightest to benefit a 5.7 Hemi motor.
My opinion is based on the reason and logic I have provided and that reason and logic was not established by me. For gods sake do some research.
My 2003 Ram was in fact still running like it was when new after 180,000 miles. There was absolutely no noticeable degradation in performance or economy. I also owned a 2006 Grand Marquis that I drove for 240,000 miles until it was totaled and it also performed like it did when new. Any wear that does not cause a noticeable decline in efficiency or performance by the owner is completely meaningless.
Do oil catch cans work? Absolutely, a good quality catch can will do exactly what it's designed to do and separate the oil/fuel/condensation from the air getting sucked though your PCV valve. This is FACT you an not deny.
Are gasoline engines designed to burn oil/condensation? I would say no, they are designed to burn fuel and air mixture. Hence Air/fuel ratio. Not air/fuel/oil ratio.
Does burning these vapors collected by an oil catch can hurt your engine, if you don't have a catch can? Would depend on what you consider "hurt". Excessive oil getting sucked in through PCB system can lead to excessive deposits and detonation, even on port injected engines. Most modern engines have knock detector prevent damaging detonation, at a cost of performance due to reduced timing. Most people will never drive their vehicles in a manner where this would ever be evident to them.
Do you NEED and oil catch can? Absolutely not. You can get hundreds of thousands of miles out of your engine without one.
Does running an oil catch can help? Yes, although the benefits aren't something the average person will ever notice. And some peoples "reason and logic" for saying they dont work falls into the category of them not noticing a change in performance because it happens so gradually over time.
Do oil catch can cause problems? Absolutely not. Running one can only help your engine. Anyone who says there is a potential for blocking the lines in winter due to freezing of the vacuum lines has a crappy install, or does a lot of short mileage trips not allowing the engine to get up to proper operating temp to burn off condensation.