High mileage oil?

Napa brand oil is rebranded valvoline. Straight 30w contains no detergents, and high mileage oil does swell the seals thus causing better preformance but it also has more cleaners in it. I know at the refinery I work at, they use straight 30w in all the yard trucks (S-10s and Rangers with some F-150) and use the additive Rislone. I love Rislone and use it in everything now. It really breaks up gunk and keeps the topside clean and build up down. The flip side that is often over looked is the importance of a great filter. As someone said before,IMO Wix (also sold as napa gold) make the best filter. Better media, anti back flow valves, thicker housings, and better seals. Plus when compared to Pep Boys filters, they aren't really that much more expensive.

When it comes to selecting oil, just check out the API rating and compare with what your running now. In CA the EPA regulates so much that the oils are all rated almost the same. It kinda comes down to which brand your loyal to.

I actually work at Napa an my dad was the Napa Filters Sales Rep for the Southeastern Region of the US. The Napa Gold filter is an extremely good filter, but we just came out with an even better one called the Platinum. This filter is made especially for people who run synthetic oils an do the extended drain intervals. The Platinum filter has a synthetic filter media an silicone anti-drain back valve an all silicone seals an gaskets. I've been running this filter with mobile one since day one with my car. An as someone also said Napa Oil is repackaged Valvoline Oil!!!! Not the exact same but made by the same manufacture.
 
Oil discussions are endless, and they are right about thicker oil for high mileage. But u are asking if the bottle that says high mileage is better then the rest, And the answer in my opinion is you will never tell the difference, maybe on paper or at the race track but in a daily driver no. And check out Bob is the oil guy's website. dont use synthetic on your car is it is consuming alot of oil its not cost affected in ur case.Just remember, buy what makes you sleep better at night.
 
Bought my '03 Bonneville SSEi (supercharged 3.8 V6) five years ago with 125,000 miles on it. No idea what was used by the previous owner, but I have used Mobil 1 5W20 with Bosch, Wix, Mobil 1,etc... any good high end filter. Been going 10,000 miles between changes, it now has 231,000 miles on it and it is NOT babied at all. It goes to the drag strip once or twice a year to play around and regularly sees wide open throttle runs and smoking tires.

I have heard that the Mobil 1 oil has been cheapened compared to what it has been in the past and have considered switching, but after over 100,000 HARD miles on this car and not one single issue with the engine, it is hard to switch. Oil pressure still remains the same as well.
 
Bob the Oil Guy is an awesome site

+1

Go over there, do some research, and decide for yourself.

Run a QUALITY oil filter no matter what oil you decide to run. I personally use Mobil 1 oil filters in every car I own. I run Pennzoil Ultra Synthetic oil in both of my sports cars.
 
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