Quote:
Originally Posted by greasybenz
wait arent VW 505.01 oils group 3 synthetics? I had used ELF 5w40 505.01 in my 87 300D and there was alot of lifter tick with the oil in the engine.
Now im on Amsoil 15w40 synthetic and the engine is smooth at idle. No lifter ticks!
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Volkswagon diesel has been sythetic only since the end of 99 I believe and they are direct injection engines. The earlier indirect injection engines and earlier tdi engines always used dino oil around here. I think even the first 99 1/2 tdis were still on dino as well. Volkswagon wants euro speck synthetic for the last few years as well I believe. They claim our synthetics do not cut it for their cars. Getting like a giant puzzle.