Fuel Additives, To add or not to add???

[Fireman Dave]

I've been using Power Service since October. No gelling problems so far - even with 10 below zero and lower temps. There doesn't seem to be any mileage increase with it, although the winter blends make that hard to know right now.

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2001 2500; SLT; 4x4; QC; LWB; Auto; 3. 54 LS; 265s; Camper; Tow; Sliding Rear Window; Travel Convenience Group; Cab Clearance Lamps; Forest Green