I use castrol syntech 10w40.
Owner reviews for engine oil
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I'm going on 5 years 1 month using M1 0-40...I did try Castrol 5-50 once just to try it out, and the engine behaved itself...both synthetics and about $6-7/qt...
Pros: engine behaved itself
Been using AMSOIL since day one of my first oil change. Damn good oil.
Pros: damn good oil
Vehicle:
Volkswagen
The oil comes out cleaner with Amsoil. I also notice much less oil loss/evaporation with Amsoil compared to Mobil 1 or anything I've used. With Amsoil the level does not go down at all.
Pros: less oil loss
Vehicle:
Audi S4
The oil comes out cleaner with Amsoil. I also notice much less oil loss/evaporation with Amsoil compared to Mobil 1 or anything I've used. With Amsoil the level does not go down at all.
Pros: less oil loss
Vehicle:
Audi S4
I'm sticking with Mobil 1 0w40; it's always been an excellent engine oil for my cars.
Pros: excellent engine oil
The oil comes out cleaner with Amsoil. I also notice much less oil loss/evaporation with Amsoil compared to Mobil 1 or anything I've used. With Amsoil the level does not go down at all.
Pros: less oil loss
Vehicle:
Audi S4
Anyway, my W8 has been fed only Castrol LL 2 & 3 (SLX, Professional Powerflow) & Shell Ultra Helix VX (Longlife 3 oil made for VW) . I don't know if that's the magic that has made my cam tensioners last this far, but I'm going to heed that mechanics advice in the future too.
Pros: cam tensioners last long
Vehicle:
Volkswagen Passat
Here is an amoil oil test in Acura TSX. The 43150 mile test is amsoil series 2000, the 34000 mile test is mobil syn blend. At 5700 miles amsoil contained the same 7 parts of iron, that mobil syn blend contained at 3000 miles in the previous test. Thus about 1/2 the wear vs mobil syn blend. Damn good oil.
Pros: damn good oil
Vehicle:
Acura TSX
Mileage: 5700 km
my gti loves mobil 1 10w-30. beenn using it for 170k with no issues
Pros: no issues
Vehicle:
Volkswagen
Mileage: 170000 km
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