3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
5W-30 Extended mileage. good for 15K Miles. but there"s no way i'll keep it in there that long.....probably change it out around 9K-10K miles...
The oil isn't the issue, it's the filter.Â* I have just tried Royal Purple in the Jeep and with a good filter (I only use Mobil 1 or a Wix - but have read good things about the K&N, and I like the nut on the top, so I may try one next) and I'll extend my normal 3k change to 6k, which is the longest I'll trust ANY oil filter for...
OK, i see your point......never really thought to much about the oil filters. I automatically figured that they could handle the miles without a problem....Presently i am using Mobil 1 oil filters, which i BELIEVE is capable of handling the oil and miles..If not, then i might try something else.
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2002 Dodge Ram 1500 Quad Cab 4X4 4.7LTR V-8
K&N Air filter system
Westin Nerf Bars
Flow Master Super 40 Muffler
Mobil 1 Synthetic Oil
I didn't read the entire thread, but there is a lot of apples to oranges compaisons here. The 2500 uses no friction modifier in the newer trucks as they use a totally different type of unit that does not use friction clutches. Friction modifier is supposed to be used on friction type units even if you use synthetic lube. The 4 oz vs the 5 oz spec on how much modifier has to do with which year and rear end manufacturer was used. The older Dodges used the Dana differentials and they called out a 5 oz. spec. I know because I had a '98 with the Dana. The newer trucks with the American Axle rear end uses 4 oz of friction modifier. Dealerships in my area get around $8 per 4 oz. bottle. The older trucks also did not spec out synthetic rear lube as they do now and the viscosity spec changed with that as well.