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I understand the need for higher HTHS numbers when the Euro vehicle is used in its intended space, which is the Autobahn and at high speeds when the oil temps get high from all the higher RPM. Thats what the higher HTHS is intended for. High temp, high shear, but imagine for a second if oil...

Agree about the Castrol. I’ve always used Mobil 1 FS 0-40 in the past on all my Euro vehicles. I’ve had no problems with it until they get up about 200,000 miles at which point they do start consuming some oil. I’ve changed valve cover gaskets and was always impressed with how clean the top end...

It meets all the specs, the reason it doesn’t have dexos label on the jug is with dexos, all ingredients must be spelled out and Valvoline was in no way going to show their hand on the special sauce ingredient. Had they done that their competition would have the ingredients for their oils. So...

Well VR&P does not have any Euro approvals obviously, but myself I dont care as the Castrol Euro oil is what plugged things up in the first place on our Q7. People need to actually think outside the box sometimes. In my case, I don't drive on the Autobahn, so the higher Euro HTHS requirement...

It's low tension piston rings that get coked up and stuck in the ring lands. I did the Berrymans B12 piston soak, BG EPR flush right after, and switched to 5w30 VR&P. Went from 400 miles to a quart of oil to not using any oil in 5000 mile runs, and you telling me it doesn't work? Sorry you cant...

The Audi dealer did the oil changes on our Q7 before we purchased it at their 10,000 mile intervals, on time every time, even confirmed via an excellent CarFax reporting. We purchased it at 84,000 miles. They had just done another oil change service on it before we purchased it. we drove it 400...

I just put my third change of VR&P 5w30 into our supercharged 2018 Audi Q7 3.0t after doing a Berrymans B12 Piston soak and BG EPR flush 9000 miles ago. It went from using a quart in 400 miles to using no oil in 5000 mile changes. I'm certain the Berrymans B12 did the heavy lift on the oil...

Surprised you are using it in a diesel engine.

Funny that every vehicle I've put VR&P into has had a really nice improvement in fuel mileage. Running it in my 2018 Audi Q7 3.0t, and my 2014 Chev 1500 double cab 5.3 V8 and both these engines run noticeably smoother at idle and better at low revs to boot. Going to put into my 2013 Audi 3.0t...

You'd need to find a paper stock type air filter to replace the K&N, or as much as I hate to say it, keep using the K&N until it starts to plug up with dirt at which point it will actually filter better and catch more particles. People fall for the K&N airflow all the time, and they do flow...

Why not do it if the rings are stuck. So easy to do on a inline 4 cylinder engine. You can pour it into the gas tank yes, but it will not free up the oil control rings. The piston needs to soak with the product coming into contact with the cartooned up oil control rings which is the third ring...

Low tension oil control rings.... Done for power on race engines and on street engines for increased fuel mileage. Can thank the government CAFE standards for those fleet mileage requirements and the with to low tension rings.... Either way, the oils that make piston deposits and carbon up due...

Of course I cant be positive, but asking the dealer I bought the vehicle from and where it had been bought from new and serviced at, they claimed they were using the Audi approved brand Castrol Euro 5w/40. Many others on the Audi Q7 forum that have also had the dealer changed oil, are having...

I've run 10K oil changes forever on my old A6's, A8's and Mercedes using the older formula of M1 0/40 and have her had oil consumption or dirty engine internals. I've pulled valve covers due to leaking cover gaskets before at 200K miles and the engine is clean and spotless inside. Never pulled...

K&N filers suck! They allow a huge amount of dirt thru into the intake until they "dirty up". You don't want to use them on a street driven vehicle. I know what they do thru experience. We ran them on grass drag sleds and racing motorcycles just to keep the chunks out the engines. The DO NOT...

It's not a placebo. It's the first thing I noticed when I went to the VR&P in the Audi Q7. Noticed the same thing in my Chevy 5.3 how it smoothed out the idle. I got in the wife's Q7 and started it the other day, sat there a while in the lot and couldn't tell it was even running other than the...

I bought the Q7 second hand from the Audi dealership that had been using the dealers Castrol Euro 5-40 in it at their recommend oil changes of 10,000 miles, done on time, every time. Carfax showed this interval also. So this oil caused the low tension oil control rings to stick to stick in the...

I'll be using it in my Audi Q7 with the supercharged 3.0 and my 5.3 Chevrolet 1500 past the 4 oil changes. Common sense with the great used oil sampling and low wear metals would say, why go back to oils that make the piston deposits and ugly engine internals again. I see no reason to go back to...

Thats good to hear. I have a buddy that had to have his engine repaired because of the cylinder deactivation problems. He had the lifers go bad and it was using oil because of stuck oil control rings. He fixed it and traded it in, had just over 100k on it as I recall. Many have had these same...

I'm running 5-30 (won't use a 5-20 grade in a hard working vehicle that tows) VR&P in my 5.3 Chevy and will not switch away from it. The newer GM's are known for their lifters going to crap & collapsing also oil control rings sticking over time. I believe it's all due to carbon and deposits and...