I use Diesel Klein at almost every fill up. I actually tried some of the Ford brand just because I had a coupon. It may be the same stuff but I swear I lost mileage with it. It appeared to help recently when I got stuck using B-20 out in California. Or at least I didn't notice much of a dip in mileage.
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Previous: 2008 Montana 3400RL & 2014 3725RL
Current: Full Time 2022 SOB TT Toy Hauler
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