chickiepickie said:I have a 94 F-350 and I have been running B99 without any problems...should I be concerned? It is $3.35/gallon here, while B20 is $4.35/gallon, and No. 2 is $3.40....so without hesitation, I have been buying B99. My truck has a stock Fuel Filter Heater on it, so I'm not so worried about coagulation. Nowadays (in my area), B99 has an additive that prevents coagulation also.
What I'm worried about is my fuel lines? they are stock and I don't know what they are made of, should I upgrade?
just keep an eye on the two lines coming from the regulator that are inside the currigated plastic covers. They will get soft and wet looking. The rubber will be deteriorating and you will need teflon lines in SS braids. They are pretty cheap - I paid $26 total for my lines made while I waited.