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^^Thanks for the detailed answer and your time! You are an asset to this forum.

Originally Posted By: easytim Mostly short trips I change oil when ever its at 8,000 miles Short trips mean sever driving conditions, in which most manufactures recomend a 3-4K drain interval. I tried the filter magnets with no luck as the magnetic forces are not strong enough to hold onto a...

Originally Posted By: Steve S There is no reason to change anything except it seems there is more life left in the oil and especially considering it is a new car the uoa is even better, change nothing. Seems the oil and engine do not see your use as severe. Dusty conditions? do you not run an...

Originally Posted By: Gary Allan Polaris Labs does the laser optical. If your oil is translucent enough, then they can probably do the laser optical counting method. You should also get a PQ Index. I think with Polaris you would order an Industrial fluid analysis with PQ and PC. I don't know...

Originally Posted By: FZ1 Interesting info. How would you rank the filters you tested, excluding cost,say from 1 thru 5? Thanks. The filters were ranked on a weighted scale with 29 separate variables to determine an optimal filter for given conditions and circumstances. The OEM was the winner...

Originally Posted By: Gary Allan Originally Posted By: Johnny_Law Thank you for your insight, but do you know of any other labs so I could send the same sample to two labs? Thanks I believe Herguth does this testing. Below is the particle count information, and they use the ISO 4406:99...

Thank you for your insight, but do you know of any other labs so I could send the same sample to two labs? Thanks

Originally Posted By: Gary Allan Blackstone uses a pore blockage method to "model" a particle distribution. True particle counts with opaque fluids is typically not done. It's done mainly on hydraulic and other non-combustion exposed lubricants. A fixed volume of oil is pushed through a...

Originally Posted By: ZZman I see no issue with the filter here. Running longer than normal OCI, dusty conditions and insoluables are still low. The filters performance is not bad, but there are better designes. Read this...

Who do you recomend? Thanks

Originally Posted By: benjamming Why do you think that the UOA points toward Mobil oil filter bad, OEM filter good? Read This: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1374742#Post1374742

The OEM is a lot better. You can look up my research that I posted before on filter testing to verify it.

I tried it and gained between 3-5 mpg on a 40 mpg vehicle. Not worth it and not to mention no real data to back it up.

ACDelco. They are the old ACDelco UltraGuard Gold oil filters. I would go with the RP. Check my previous thread for information on it. http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1374742#Post1374742

Schaffer has a great additive for under 10 bucks and is high in moly. http://www.schaefferoil.com/specialty/132.html

Really short trips of 1.5 miles and the dusty and hot conditiosn of Fresno CA. THe oil filter was an Mobil 1: 104, but I should have used the OEM as you can see from this information: The oil was changed at 1K, 2.5K and 9.8K...

Thanks for the info! I purchased my fist case this month due to the info you provided!

The holding capacity in grams for the Amsoil is proprietary information so it is unknown. For verification click here: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=1374742#Post1374742 As far as how much oil the can holds, the physical dimensions are the primary...

The RP is a superior oil filter as it has been disassembled in regards to filtering material and efficiency. Total surface area, filter case thickness, back plate thickness and so on are unknown as far as I know.

That was already covered on page 1. Amsoil is 0.006 less or about 20% than the leader.