Two Letters Re: The Big Chill Causes Diesel Gelling Problems in the Lower 48
James: The blog post regarding diesel gelling is correct for the most part. However there are solutions that are easy and inexpensive. There are many aftermarket additives that will keep your fuel oil from gelling and also raise the cetane level of the fuel. The cetane level is similar to the octane level of gasoline, the higher the better it burns. DieselKleen, Stanadyne and others are good choices. My 6.0L Ford F350 gets a full mile per gallon better mileage with the addition of DieselKleen and I have not had a single engine problem in over two years of operation. …