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Old 01-06-2019, 08:37 AM   #41
SkiSmuggs
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Join Date: Oct 2012
Location: Vermont
Posts: 367
Quote:
Originally Posted by 77cruiser View Post
I've ran across a few places that sold a premium diesel fuel, don't know if that's the same as top tier.
No, but it may be closer to it than standard ULSD. Top Tier also includes filtering to prevent water in the fuel. Since Top Tier diesel is just getting started, it is rare, so a great additive like Opti-Lube (top rated) improves cetane, lubricity, water separation, fuel system cleaning. Be aware that some additives actually reduce lubricity, so just because it is on the shelf and everybody uses it, doesn't mean it is good for your truck.
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