High Performance Lubricants No VII series engine oils.

Thanks! I missed that thread. My boat is a 1984 Ski Nautique 351W carburetor and raw water cooling. I currently have a 160 degree thermostat in it.
It may be time to get readings of oil temperature?
Figured it was carb'd ;) Ours is a '95 Supra Comp TS6M 351W GT40 SEFI. Also raw water cooling. Lake Muskoka doesn't get warm, so the water it is being fed is always pretty cool.

And yeah, oil temp would certainly be useful!
 
Not being sarcastic, but what is the value of HPL non VII oils over HPL “conventional “ oil?

With their robust base stock oil, extremely stable VII and uncompromising additive package, what does this oil do better? Are there applications where it is advantageous?
 
Not being sarcastic, but what is the value of HPL non VII oils over HPL “conventional “ oil?

With their robust base stock oil, extremely stable VII and uncompromising additive package, what does this oil do better? Are there applications where it is advantageous?
With no vii, resist shearing from fuel dilution esp in DI engines.

In fact , depending on how much pour point depressant is used, as this wears , I could actually see these oils thickening a bit over time. And this thickening not being from oxidative thickening.

I plan on running a 15-20k run in my Elantra and doing a uoa. Might take me 2 years though, to get that mileage.
 
Not being sarcastic, but what is the value of HPL non VII oils over HPL “conventional “ oil?

With their robust base stock oil, extremely stable VII and uncompromising additive package, what does this oil do better? Are there applications where it is advantageous?
It was request, so it was done. I like my 0W-xx oils, so I'll always have VII in what I run. Dave has no concerns about VII use and since I trust him (and Dr. Rudnick) implicitly, I'm not concerned either. I am quite sure they only use what's necessary to make the spread, since they are using top quality bases. It's not TGMO with a 3-4cSt base oil and a boat load of VII, lol.
 
That was an unfortunate necessity due to receiving unsolicited PM's from members I had no interest in chatting with in that manner.
I'm just joshin with ya, you didn't need to explain it. :)

But is that the VOA you're thinking?
 
This is neat! I remember HPL’s David mentioned that HPL was working on this no-VII series a couple of weeks ago.
I was thinking of sending a question to David Ward about the development, but this thread answers my questions.

I look forward to using this series of oils.

David, what oil do you think would be best for a marine Ford flat tappet engine? I am mostly concerned with camshaft and tappet wear and the 160 degree thermostat that is specified for freshwater use. Do you think the cold engine temperatures would prevent the anti wear additives from being fully activated?
What are the oil temps?
 
Hi Overlill, thanks for your response. My marine parts supplier states that the 140-143 thermostat is for saltwater use versus the 160 for freshwater use. I do like the idea of using a 180 degree thermo even better.
I find that your posts are very helpful.
The cooler temps are to reduce mineral build up in the water jackets etc.
 
To those forum members that would do such a thing. I'd like to say that I've been a 6-mo/5,000 mile guy for quite a while, and was using M1 EP during those days. Dave at HPL convinced me that by using his oil, even just the regular PCMO, I could very comfortably double that interval, and he mentioned some situations in which the oil has proven itself. Based on what Dave has put forth, unless you're vehicle is used for the most extreme and severe situations (which, frankly, I cannot imagine), extending the drain interval should be a no-brainer.

You don't need 5,000 mile OCIs, you already bought the insurance by choosing HPL, and compared to so many other oils, it ain't cheap.
You could have doubled up with the EP without switching to HPL which is probably more than two to three times the price.
 
You could have doubled up with the EP without switching to HPL which is probably more than two to three times the price.
EP is no longer the great oil it was; it’s been blue-light-specialed to keep the shelf price the same. No worries at all of this happening with HPL, so the delta between price/performance narrowed significantly IMO. Not saying EP is bad, but the 2023 EP isn’t the same as 2019-2020 EP. HPL will deliver top quality oils in every quart/gallon you purchase.
 
You could have doubled up with the EP without switching to HPL which is probably more than two to three times the price.
Yes, I could possibly extend the OCI, but I do what makes me happy, and what I feel comfortable with, and I don't concern myself with the price of an oil change. Since I pay to have my oil changed, switching to HPL actually saves me money.
 
Yes, could probably extend the OCI, but I do what makes me happy, and what I feel comfortable with, and I don't concern myself with the price of an oil change.
I’ve never been shy about draining the sump early when I find a better oil. It’s why I drained Pennzoil Euro 0w40 at 1800 miles when my delivery of HPL PCMO 5w30 arrived…
 
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