Rotella T6 is great oil (lots of STI guys run it) and I wouldn't hesitate running it in my R... except that it isn't VW 502 approved... so warranty is at risk if I had a failure in the engine.
After break in, I started using Rotella 5w40 synthetic, as I got better mileage with it. It's looking like a 5w may be way too thin for these old motors, and perhaps I should have stuck with a 15w40!
Feels buttery smooth now, lets see after a few k- miles !
Feels buttery smooth now, lets see after a few k- miles !
Good quality synth 5w40 alllll dayyy eryyy dayyy. Flip open your owner's manual, 5w40 is the recommended oil. 30 weight thins out too much during extended drive periods or in high temp areas. FWIW the previous owner of my Golf sold it because it was an "oil burner" he was using gas station brand dino 5w30 :screwy: I switched to Motul and then Gulf 5w40, and drove it for 55k+ kms, had to add about 1L between my 10K OCIs.
i tryed the castrol edge sport 10w-60 and its working great (very smooth & quiet,etc... any way better than the 4w-40)
Just changed my oil @ 2k with Rotella T6. Sounds much quitters and feels a lot smoother. I've always used this and it's a damn good oil.
For my 2004 VW Golf TDI(125,000 miles) I use Shell Rotella 5w-40 Full Synth.
Just did a major service using castrol 10w40 Maganetec with new Iradium spark plugs etc. Car is super smooth & pulls strings & no overheating.
Switching from dino 5w30 (previous owner) to Motul 5w40 in my 2.0 8v reduced oil consumption drastically, quieted lifter noise and increased MPGs.
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