blackbeautyhemi
Senior Member
- Joined
- May 19, 2013
- Posts
- 2,190
- Reaction score
- 1,317
- Location
- Lewistown, PA
- Ram Year
- 2015
- Engine
- 5.7 HEMI
Just got me some of the 5w30 redline oil. Hopefully going to get it in next week sometime.
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Just got me some of the 5w30 redline oil. Hopefully going to get it in next week sometime.
Best is always subjective, lots of good oils out there, and yes Redline and PUP are two of them. I wouldn't go mixing brands, GtL and Esters/PAO will mix fine but you will dumb down the ester/pao benefits and dumb down the high detergency of PUP. Just pick one or the other. Depending on where you live and if it is cold or not. Down in Florida I would consider 10w30 redline if I was gonna use redline, 5w30 very close second. If I was to use PUP I would go at least some 0w40 mixed with some 5w20, maybe 50/50. Don't be afraid of the 40 weight, at operating temps it is more like a 30 weight, just a little 20 weight and you will be in the 30 weight range for sure. The 40 weight PUP very special oil, good additives, much better then their 20 and 30 weights. So ok to mix to get good additives and a lighter weight.
just as important go get you a Royal Purple or Amsoil filter, read my filter thread in sig.
1/2 qrt every 2k miles is pretty normal, I wouldn't sweat that. If you have a tick, redline seams to be the best at killing them. If you have a tick after you try redline, then it likely isn't something changing oil will fix. Additives to consider, lubeguards biotech - poor mans redline, and Mos2. Mos2 try 1/2 the bottle, lubeguards you can use the entire bottle 10 ounce. There are other additives but sometimes they can be dangerous, I would look at the science of an additive before trying it, stay away from oil thickeners or chlorinated Paraffins. Move to 5w30 redline, gives you a better performance in the cold and is just as good as the 10w30. Read 69's chart to see where the 5w30 lays, it buys you -5 more degrees.

Google that stuff, I wouldn't be using that in my Ram. GL with your choices, Burla
Okay, thank you. AFAIK my ram [an 05] does not have MDS, so I should be okay for a 5w40, right? If so, I'm thinking of mixing 5w40 RL and 0w40 RL to get the temps range I want based on the chart I posted. Now, it seems you've been saying 10w30 RL is the best RL, but that PUP 0w40 is super special, so seemingly as good as 10w30 RL?
Or did you mean 10w30 RL would be the best for Florida, with 5w30 being a close second if I were going to travel? I swear you said 10w30 RL had more moly... but is it super significant of 0w40 and 5w40? Or significantly more than PUP?
Also, I seem to be understanding that anything over 40wt [ie, 5w50, 10w50, etc.] is not good, correct?
ok did not know you didn't have mds, I would use what the book says as far as weight. splitting hairs on the best redline when considering 5w30 and 10w30, I would say both are great. The 10w30 has no Vii's but the 5w30 has a base oil that doesn't break down as much under heat and has the best hths you can find.
So best is subjective, one has better wear numbers PUP and one has better performance against hemi tick = redline.
I wouldn't be using anything over 40 weight, what you gain in film you loose in flow. Only super high performance engines that generate much more heat use 50 weights that I know of.
What does your book say as far as weight? One "issue' with redline is it is always thick for weight with exception of 20 weights. So the 30 weights are very close to 40 weights in other brands. So 5w30 redline is damn hearty choice that will likely be thicker then most 0w40's towards the end of your interval.
I looked up the oils on redline's site. The 5w40 has the best HTHS at 4.4, with the 0w40 trailing second at 4.0. Compared to the 5w30 and 10w30 seeing 3.5-3.7. I just don't know about the moly count and if the 40wts, or 5w and 0w have lower moly. I can't tell if you actually implied that the 10w30 had more moly or if that was a mistake, and, if you DID imply that, whether the 40wt oils suffered lower moly or not.
But, hmmm... the redline runs thick for its weight and the PUP runs thin for its weight. IDK where this is sending me... I'm starting to get that nighttime tiredness which makes me a ****. I'll just be quiet and listen for now after posting this here for you.
Yes, that is why PUP is what I call super class 40 weight oils and Redline isn't. Because when you are talking 40 weight oils, thinner is better if you want at least some fuel mileage performance and better flow and oil pressure. The opposite holds true in 20 and 30 imo because you sacrifice too much protection. That is why the new ram's ask for 0w40, they tend to be right on the line of where 40 weights start.
Anyhow, I would consider either 30 weight redline for your application, and according to rlk the 10w30 pretty much across the board has more good additives. When I said 5w30 had best hths, I meant across all brands, not heavier oils.
Having said all that, PUP 0w40 is also a pretty equal choice.
Kinda simple, PUP 0w40 = 10w30 redline = 5w30 redline.
Just little variances separates them, your PUP will have the most vii's which is why I might say this would be my least favorite but has clean base oil with high detergancy and moly, 10w30 redline has all the goodies in higher numbers and zero vii's, but 5w30 has better hths and better performance in your cold trips. You can't really loose here bud, if you go redline try nick at gotexhaust vendor ram Forum, cheap prices and free shipping. If you want to go thicker, that's on you I wouldn't do it in my ram. All Redline's ester/pao have very high moly, it is their cornerstone.