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I purchased my 2008 used with 25k miles on the odometer. I drove it home and changed all the fluids (engine, G56, transfer case, front diff, and rear diff) to Amsoil products; however, I use the Fleetguard full flow oil filter. I also changed the fuel filter...to what I believe was the first time since it still had the old housing. Anyway, updated the housing to the new model and then drove it for 5k miles. At 30k miles, I deleted everything including the EGR cooler, installed the smarty jr. ME software, changed oil and filter again to establish a baseline without soot and fuel dilution. From that date, I have now driven 7k miles (37k total). I took an oil sample and sent it to Oil Analyzers to see where I stood. Attached is what I received back. Bottom line is they suggested leaving everything intact...including the oil filter...and conducting another check in an additional 7.5k miles (45k miles). I am going to try and keep this post updated as I increase in miles to see how well it compares to others who are running a bypass system.
I couldnt read that as it was killing my eys trying to read it. But anyway, I run the donaldson/amsoil oil filter and do an analysis at 10k, and I usually get around 12-15k before I have to swap the oil filter out, per blackstone. I personally would run the donaldson/amsoil filter as its a slightly better filter. 15micron vs 25micron.
2012 2500 CTD HO, Dual coolers, snow plow/cold weather prep, Line x, PPE 5inch tip, Bak Flip F1, Mopar fender flares, Husky mud flaps, Weather tech mats, Valvoline PBE/Donaldson filter, vision x light bar, Mag Hytec rear diff cover, Thuren overland suspension.
Just completed another oil analysis with 15k on the oil and filter...everything came back great. They suggested that I not change anything and resample in another 7500 miles. It took me quite a while from my last oil sample to accrue enough miles because I was deployed the entire summer...
Does anyone see anything wrong with continuing to use the stock full-flow Fleetguard filter? Obviously the oil is still being filtered efficiently...just didn't know if the filter would break down after a certain time frame...
My self I would not run the Fleetguard Stratapore oil filter longer then 1 year/15K (10K for severe duty) what ever one comes first, the cost to replace it is not all that much so why take a chance by not changing it out once a year!
2006 Ram 2500 Big Horn Edition Auto 5.9L Mineral Gray Met. Quad Cab SB 4X4 SRW 3.73's:
Good thread. Solid proof that running a top tier oil is worth the money to protect your Cummins engine. Better oil and better filtration wins, especially on modified engines that soot load at significantly heavier than stock rates. The AMSOIL EaO oil filters are 15 micron, whereas the Fleetguard Stratapore filters are 25 micron. For the best filtration to pull soot and particulates from your oil, consider a 2.00 micron AMSOIL Bypass Filtration system as well.
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