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Discussion Starter · #1 ·
Hi All,

After searching walmart and a couple of Oreilly's I could not find 5w40 in castrol. So I bought a Mobil 1™ Turbo Diesel Truck 5w40 and changed my oil with it.

Is that going to kill my engine .... I am not sure If i did the right thing

Any thoughts!!
 

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If it has the correct VW specified ratings, you should be fine. But I don't think it does. You must be in a small town. I can find 5W40 Castrol all day long at O'Reilly's. And if they're out, surely they could order some for you within a few days (Unless you're not in the lower 48. Then all bets are off.)
 

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Discussion Starter · #3 ·
I live in San Jose, believe me, its not readily available as you would think. I could find only 1 quart bottles each one is running around $10. When i read the label, it looked like it could meet the requirements but I am still paranoid..


Either way, I will give it a week and post my findings here
 

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The diesel oil is cheaper, too! What's up with that??

I know when I looked at it, I was looking for the specs for the V8 (VW 502, IIRC) and they were not listed on the diesel version. I am paranoid, too.

That's why I paid the $10/qt for the "approved" stuff. ;- )
 

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Discussion Starter · #5 ·
Turns out, if you use motor oil from diesel engines into Gas engines

1. They run smoother, less noise
2. You loose about 1.5mpg

I used to average 15 mpg, now i am barely making it to 13.5 on similar usage.

So overall, not a bright idea!!!
 
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