In the light of the VW PD failure thread....

[a4tdi]

G-MAN,
In large part, I agree with you. VW's "new oil of the week" specifications are ridiculous. Couple that with a last-place dealership network and it doesn't leave the informed Volkswagen buyer with the "warm fuzzies".
Personally, I wouldn't use any 30 weight oil in a Diesel engine, but can also see where this nonsense leads owners to set out on their own course. I have used Delvac 1 in my 2004 Jetta (with the PD engine) with excellent results for over 60k miles despite being told that it would destroy my cam/followers, and rollers in as little as a few hundred miles.
BTW, I read your Rotella UOA in the motorcycle section. Congrats on a great report.

I'm currently breaking in a 2007 883 Sportster Custom and am trying to decide which oil to use later.

 

[moribundman]

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Everytime you turn around VW has introduced another oil spec.

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You turn around only every few years? That can't be healthy...

 

[Tornado Red]

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Everytime you turn around VW has introduced another oil spec. It's almost ridiculous. I can just see the owners manual now for the 2020 VW Bug: "Only use oils that meet VW 505.29542332352."

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In the last ten years, the VW diesel spec moved from 505.00 to 505.01... and will soon switch to 507.00.

In the same period, API went from CF-4 to CG-4 to CH-4 to CI-4 to CI-4 Plus, and now CJ-4.

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I still maintain that the guy using 5w30 Syntec is not doing any "serious damage" to his engine as long as he changes it at reasonable intervals.

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Ask anyone with a Cummins or Powerstroke engine if they'd ever consider using a 5w30 designed for gasoline engines. Probably not, not even with an oil change every 1000 miles.