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  1. J

    Castrol Edge - Rebate makes it worth a try?

    I noticed today when I was at Advance Auto that Castrol Edge shelf price is $6.49 a qt vs. $6.99 for Syntec. Guess they are trying to get people to give it a try. At that price, plus the $15 mail in rebate Castrol has going now through 12/15/09 if you buy 5 1 QT bottles or more, I decided to...
  2. J

    Castrol Syntec 0W30 (GC) / 6000 MI / 08 BMW N54

    First Blackstone Oil Analysis of German Castrol @ 7680 miles with 6000 miles on the oil. Looks like some break-in metals are still shown in the oil. While TBN was still acceptable, it appears that this oil may not go the full BMW 15K mile OCI. I was encouraged that the flash point was still very...
  3. J

    GC vs. Edge

    With Edge being marketed as the premium full synthetic Castrol for extended change intervals, how does it compare with GC? I haven't seen it yet at AZ, AA, or WalMart (All mentioned in where to buy on the Castrol Edge website), but I did see it online for nearly $14.00 a quart. Thats almost 2X...
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