NextGen NOACK% Values

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Given all of the FAR deals on NextGen, I believe BITOG's collective interest in these products is steadily climbing. It has for me, I'm running NextGen Maxlife now and am happy with the smoothness of the engine and the oil consumption initially appears to be reduced.

Taking a look at the PDSs of NextGen and NextGen Maxlife (not sure if I'm allowed to post these links?)
NextGen: http://www.valvoline.com/pdf/nextgen_conventional.pdf
Maxlife: http://www.valvoline.com/pdf/nextgen_maxlife.pdf

I find it interesting that Maxlife 5W30 and 10W30 have similar NOACK volatility at 12 and 11% respectively. Meanwhile the conventional NextGen 5W30 and 10W30 are 14.4 and 11.3, respectively. This increase from ~11 to ~14 seems significant to me, I doubt it's just measurement noise. It seems like a solid argument for me to prefer the 10W30 if you're not on the tundra. That is, assuming the NOACK means anything for the average user
grin.gif
 
imo noack is more important for DI or turbo (or DI turbo)
applications than it is for more standard engines.
 
I like the MaxLife better overall. I'm currently using the MaxLife NextGen 5W-20 in our Honda, and I don't think the engine has ever been quieter than it is on this oil. Previously, the quietest oil I had used in it was Mobil 1 0W-20, but the Valvoline MaxLife NextGen is even better. I like the moly in it, and in my experience, oils with a decent amount of moly tend to run quieter than those without. This car had a fresh Valvoline oil change when I first bought it (with Valvoline conventional), and it wasn't nearly as quiet nor smooth as it is on the Valvoline MaxLife NextGen.

Does anyone know the HTHSV of any of the Valvoline products? I'm particularly interested in the HTHSV of the MaxLife line of oils. Pennzoil's High Mileage oils have higher-than-standard HTHSV values for each of the three grades, and I wonder if the MaxLife products do as well.
 
I agree on the quietness thus far, but I'm early in the run and this is my first usage of Nextgen Conventional. 5w30 is very quiet and a tad more responsive in my dog of a Ford Explorer 4.0 than were the previous fills of the heavy 5w-20 GTX and light 5w30 Peak.
 
Originally Posted By: Hokiefyd


Does anyone know the HTHSV of any of the Valvoline products? I'm particularly interested in the HTHSV of the MaxLife line of oils. Pennzoil's High Mileage oils have higher-than-standard HTHSV values for each of the three grades, and I wonder if the MaxLife products do as well.


I e-mailed them a while back and asked about a couple. I got a polite, informative response in a few hours.

Anyway, Valvoline 5w30 conventional 2.9 Maxlife 5w30 3.0

Valvoline 10w40 conventional 3.7 Maxlife 10w40 was 3.8 and fractional change.

So Valvoline seems to stay on the low side of HTHS particularly when looking at Maxlife compared to some of the other High Mileage oils. Theoretically Maxlife should give you the benefits of a High Mileage oil without the potential fuel efficiency hit you might get with others such as Castrol High Mileage for example.
 
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