Thats exactly right, thats why we have the OIL Thread in the FAQ section so we don't have ridiculous threads like this.
Believe it or not I realize this but all I was doing was stating that I had seen a 04 with 5w-20 on the oil cap. I really could care less if there was 20w-50 it. It ain't mine so really I don't care. I run what I run because it is my opinion that its what I should run in my engine. I wasn't trying to sway the OP to run any special grade of oil or trying to imply that he was wrong about what he had read in his owners manual.
I understand., it could be a very late 04 that had a couple of 05 parts on it.
My 88 Mustang is this way, the original radiator has a 89 part number and a plastic hood rod clip which is 89-up. Most 88's had a metal one.
Might be how the oil cap got on the 04.
I have never had any problems with 5w20. Ran it in my 5.4L from 03 to 08 and never used a drop. Use it in the Hemi, Caliber and Grand Caravan as well.
Personally, I would run whatever the owners manual calls for.
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I have a 06 dodge ram Hemi with 69,000 miles on it and i wanted to know if it would be safe to change the oil over to synthetic motor oil. It has has normal oil in it up until now. I have not changed it over yet? Will it do any damage?????
The whole reason they went to 5W-20 across the board is so all the 5.7's would use the same oil. It was required for the MDS hemi (first out in 05 in the 300) for proper operation of the solenoids. Why have multiple grades required when one would suffice for all?
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Sarcasm - it beats killing people...
2003 Ram 1500 QC Hemi Lonestar Edition
2004 Jeep Liberty 3.7 4x4
I'm not disputing you man, just saying I know an 04 that has 5w-20 on the oil cap, I saw it myself.But either way I don't think either oil would hurt anything.
That could have been replaced in the last 5 years.
My Dodge 04 Ram 1500 has 5w30 on oil cap (and the manual recommends it). But I'm trying 5w20 this winter.
