gilleydog
Senior Member
- Joined
- Nov 30, 2017
- Posts
- 143
- Reaction score
- 77
- Location
- florence az
- Ram Year
- 2017 ram larami
- Engine
- 5.7
How many miles do you get on a Red Line oil change 5w30 on a 5.7 ?
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WTH?Every engine is different, also freeway versus city driving, you need a lab report. We have had low tbn at 5k miles and in that report posted he could go past 19k miles. What do you think is reasonable for you? If you want to push it, get a lab report at 10k miles, add bgmoa 1/2 through the interval and use a synthetic filter for sure. See blackstone thread. Look for redline reports with tbn, note miles.
bgmoa is a tbn booster if you want a long interval, lubegard safely boost moly so you don't get the downside of powdered moly mos2. The OP brought up interval, thus a tbn booster enters the discusion. It is also a redline thread, lubegard wont be a move here as redline is already stacked in redline.WTH?
I thought Lubeguard was what replaced Liquimoly, now you're saying use BGMOA?
Pick one and tell me.
Exactly.I change @ 5,000 miles regardless of UOA test results. Why? Minimize oil contaminants plugging small hydraulic system orifices in the drama queen Hemi engine that can't take any reduction in oil flow.
This is another minimizing strategy of having a disabling (& expensive) lifter and cam failure.
To be fair my friend, you were having cam/lifter issues before even trying redline correct? The point I am making, using this case to argue on the side of a short interval has an engine that was suspect may not be how we should judge engine oil life. Not saying 5k miles is a bad interval at all, if you can afford 100 bucks every 5k miles I would agree 100%. And every engine is different, if your engine is indeed black as in black at 5k miles, again I agree with kap. However, I'd rather have the protection of redline and a rp filter at 10k miles then fresh low additive group 3 gf-6 oil. Especially if the lab says so, the best way to judge an interval get the oil analyzed. The EP/AW additives in redline and in any oil, but especially redline get better with age not worse, fact. Now, the main worry is acid buildup, as that will attack the moly plate. And to be fair, we have seen uoa's such at Kyles show low tbn with redline at 4700 miles, but then we also have uoa's showing go past 19k miles is just fine, both scenarios proved with uoa's. Every engine is different, 5k miles is the safe move, but if you have hemi tick and want to push that out safely most likely the lab will agree. Now this is with the popular viscosites such as 5w20/5w30, if you start getting exotic like 0w40 redline, the info changes for the worse because then you do need to worry about shear which you general don't with those other weights.I did oil changes every 7k miles with RL 5-30
At around 115k miles, the oil change shop lied and did not change my oil. 2k miles later, I get all sorts of low oil pressure CELs, different mechanic tells me that to fix the issue, all he did was to change oil and filter (also RL 5-30 and royal purple filter), and that oil that he changed looked very black, and it wasn't changed 2k miles ago as I told him...
7k miles later I got a bad lifter knock (time to replace lifters and cam)
So learn from my experience, change your oil every 5k miles, and don't be cheap on it, as it may help you avoid lifter cam issue...
Truth.Every engine is different, also freeway versus city driving, you need a lab report. We have had low tbn at 5k miles and in that report posted he could go past 19k miles. What do you think is reasonable for you? If you want to push it, get a lab report at 10k miles, add bgmoa 1/2 through the interval and use a synthetic filter for sure. See blackstone thread. Look for redline reports with tbn, note miles.