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mobil delvac
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  1. Alternative Fuels Diesel Additives Lubricants
    I have an '06 LBZ with 150,000 on it, and I was considering switching to Mobil Delvac 1300 (15W 40). I've been running Rotella, but I used to drive class 8 trucks for a living, and in those bigger diesels I've heard alot of good things about delvac. I live in south-east Indiana and stay local...
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