:rofl :rofl
Haha thanks Marcus! :)
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old study but a good read:
http://neptune.spacebears.com/cars/s.../oil-life.html
Can you confirm which Elf/Total Oil's are Group 4 PAO Based? I found contradicting data on Bob Is the Oil Guy. The best I got was this:
For the Quartz 9000 series:
0w30 = Group III (severely refined mineral-based products)
0w40 = Group IV (Polyalfaolefin, PAO)
5w30 = Group III
5w40 = Group III
5w40 NF = Group III/IV
Energy 0w30 = Group IV
Future 5w30 = Group III
If you found that then I am wrong about it being Group IV. The Total Racing 15W50 is (I use it in the M now) and I assumed that fell into the same category. You know what they say about assuming :)
How many quarts do you guys usually buy/put in when you do an oil-change? I've heard anything from 5-7 quarts is what it takes to do the oil-change on our cars. Does anyone have an exact number?
I believe the official number is 6.9 quarts. So, I'd get 7.
It also varies for Xi and non-Xi.