What about something like Rotella 15W40 ?Wish they would do this in 10W-40.
Those vehicles likely used 30w when new. 20w50 might be just the ticket.Would this motor oil work great in my old 1939 dodge truck? And the same for my 48 Ford F1, 53 F2, 66 inline six mustang (I think the mustang could run anything but just asking)
The flat heads are what I'm more worried about and we may get another purchase of 2 more down the road...
How's the current Zinc content of today's Rotella 15W-40?What about something like Rotella 15W40 ?
Here is a 2020 VOA from PQIA for the API CK-4 rated Rotella T5 15W40 semi-synthetic, it shows 1267 ppm zinc, 65 ppm Moly, 130 ppm Boron with a TBN of 9.25 and a KV100 = 14.6 cSt.How's the current Zinc content of today's Rotella 15W-40?
This is the other one for you, also from PQIA, also from 2020, Shell Rotella T4 SAE 15W-40 mineral, it’s also API CK-4How's the current Zinc content of today's Rotella 15W-40?
Too thick for many factory performance engines from the 6o's and early 7o's.Forgive me if this is already posted (I checked but didn't see any posts about it). I was at my local Walmart looking for a U1 battery for my new-to-me mower, and of course I had to walk the oil aisle. This caught my eye, and I've never seen it before:
....
I think this is fantastic for those who have been struggling to find a high ZDDP oil for their classics. It is ONLY offered in 20W-50. Obviously this isn't for the thin crowd, but what does everyone think?
In this VOA from last year it looks like there's less phos than that, in fact the 10W30 seems to only have around 1000ppm according to that VOA, but then again, it's Blackstone so it may be a little off, the typical Rotella package is 1100ppm of phos, so I'm a little thrown off by the VOA with only 1000ppm and the UOA with almost 1200ppm, but perhaps the UOA it picked up phos from the previous oil or deposits in the engine or something.For those looking for a high ZDDP 10W30 here is a VOA for Shell Rotella T5 10W30, that gives 1340 ppm zinc, and it’s a high HTHS 30 grade. I think it would work well in an old school flat tappet gas engine. I‘m sure a modern HDEO Diesel engine oil, is higher quality and better tested than most of the regular gas engine oils used back in the 60’s or 70’s. Not long ago they were all dual rated, for gas and Diesel engines, this is more restrictive under the most recent API rules, but they are still commonly used in gas engine motorcycles without issue.
It doesn’t have to be Shell Rotella, you could also looks at Delo or Delvac etc.
1985 Merrcedes 300D, 5,900 mi., T5 10w30
The first UOA I've done on an OM617 or this oil - very pleased! Also reaffirms my hunch that 40 weights aren't a necessity in these engines like a lot of the owners preach. This OCI had a pretty varied operation schedule - lots of short trips, 1000+ miles of 70-80 MPH highway running, and a few...bobistheoilguy.com
Thanks for that, interesting. I’ll list them out, just to have them in one place.In this VOA from last year it looks like there's less phos than that, in fact the 10W30 seems to only have around 1000ppm according to that VOA, but then again, it's Blackstone so it may be a little off, the typical Rotella package is 1100ppm of phos, so I'm a little thrown off by the VOA with only 1000ppm and the UOA with almost 1200ppm, but perhaps the UOA it picked up phos from the previous oil or deposits in the engine or something.
Yep, Castrol has marketed this in the UK for quite a few years. I would have gladly used it in my 1987 Alfa instead of Kendall GT-1.Interesting, I knew they had a product called that in England, but this is the first I'm seeing of it here.
Too bad it no longer carries a gas rating or I'd be running it all summer.Here is a 2020 VOA from PQIA for the API CK-4 rated Rotella T5 15W40 semi-synthetic, it shows 1267 ppm zinc, 65 ppm Moly, 130 ppm Boron with a TBN of 9.25 and a KV100 = 14.6 cSt.
The detergent package is a more modern Ca (1905 ppm) + Mg (438 ppm) mix, rather than an old school Ca only package.
What I also like about it, is that the -20C cold cranking tested to almost 6000 cP (with 7000 cP being the maximum permissible under J300) so it’s at the top end of a 15Wx oil, meaning a heavy base oil was used, with the associated benefits for shear stability and low Noack volatility.
All up it looks great to me.
Yeah, the SN is gone, but that has more to do with API no longer allowing a dual rated oil with high ZDDP as a loophole. I personally would have no concerns still using it in either application. But YMMV.Too bad it no longer carries a gas rating or I'd be running it all summer.
I ran it when it came out when I couldn't find the classic conventional Triple Protect 10W30.Too bad it no longer carries a gas rating or I'd be running it all summer.
I figured as much. I might still give it a run if it goes on sale.Yeah, the SN is gone, but that has more to do with API no longer allowing a dual rated oil with high ZDDP as a loophole. I personally would have no concerns still using it in either application. But YMMV.
For the record Rotella T4 15W40, T6 15W40 and T6 5W40 are still all JASO MA/ MA2 rated, for motorcycles. Last time I looked, there weren't many diesel motorcycles for sale.
(Not fighting, just chatting).