A bigger oil filter that fits gen 2

My opinion on reusing oil filters: Why on earth would you mix dirty oil with the clean oil you just put in????

 

That is something I would not and do not do.

 

Oils contain dispersant/antioxidant ("detergent") additives to prevent the fine particles from forming sludge. Most particles are of order 1 micron. A conventional filter that captures those would clog quickly and prevent full flow. Filters that capture finer particles are usually bypass, rather than full flow. If trying to use an ultra-fine filter for two oil changes, it is possible that towards the end of the second, oil is bypassing the filter entirely because it is clogged.

If you want the engine to outlast the trans and hv battery, use a good synthetic and a good filter (Toyota, Wix), changed every 7500.

 

There are many different ways to make a synthetic. Castrol, Mobil 1, Redline -- these are all formulated in a different way, and you'll get thousands of opinions on BITOG as to which is better, but, IMHO, the differences are at the margins.

 

My HCH2 calls for filter change every other oil change! I hope it works, as I am fallowing directions. MM tells you when things need replacing. I think it must be hard on the old school folks to actually go without changing the filter as well as going 10000 k between oil change! Sure saves money, so I hope it knows what it is doing. Hal

 

I am old school enough to not buy the every-other-filter-change. I think the car manufacturers, not just Honda, have decided that 150,000 miles is the lifetime of 90% of cars, and make design and maintenance decisions based on that. The cost of changing the filter every time is so little, compared to the downside risk of engine failure.

 

I run Mobil 1 5-30 for 10,000 and change the filter every 5,000 miles
using Toyota OEM filter ($4.00).

 

See what I mean!!! We all understand auto's better than the maker.<grin> Hal

 

Unfortunately we don't know what the manufacturers know, we only get from them what they want to us to "know".

 

The on-line oil filter test found most filters were essentially plugged and operating in by-pass mode after only 1500 mi. or less. I don't know of any engine that doesn't have a by-pass circuit around the oil filter.

Filters are much cheaper than engines. Change your oil filter!

In fact, -some- users of synthetic oil change the filter at the "standard" oil change interval but use the oil for another interval. A much better method than trying to re-use the filter.

 

I use the filter on the left on my Gen2. The one on the right is the standard Gen2 filter. They both work, but anybody care to guess which one will clog up first?

 

Which test was that? Do you have a link to the test?

 

The standard Toyota filter for the Camry, part 90915YZZF1, is the same as the Prius filter but a bit longer. It fits the Prius no problems.

 

The one on the right is a Mobil One filter not the standard filter.
You don't need to get crazy on oil filtration on this car. The engine hardly works.

 

It used to be pretty common here in Australia for folks to do the filter on only every second oil change. For example an oil change every 6 months and the filter every 12 months was a commonly used schedule for people not doing high annual mileage.

One thing I think has changed over time is that oil and petroleum products have tended to get more expensive and manufactured goods (eg oil filters) have tended to get relatively less expensive. This has made it more acceptable to just change the filter every oil change.

Having said that however, if I was doing 5k or fewer miles per oil change then I'd do two OCI's on a single filter without a second thought, even on a standard OEM one. An engine in good condition (especially a baby one like the Prius's) really doesn't produce that much wear metals or gunk for the filter to catch. There's no way the filter media is going to get fully loaded in under 10k miles. Some members over at "bobs the oil guy" have even run consecutive oil changes on a single oil filter with UOA's (used oil analysis) and have had slightly lower wear metals recorded on the second run! (thought to perhaps be due to the partially loaded filter media providing slightly better filtration).

In my case though I'm doing around 8k to 9k miles per OCI, so it's a new filter for every change for me.