The biodiesel I've been buying comes from Propel Fuels, which I think is buying it from Seattle Biodiesel and selling it Propel who markets it with SeaPort Petroleum, is that confusing enough? It'll be at least 8 month before my new garage is built and I get the biodiesel still setup, so I'll be using this pump bio through the winter. From what the people at SeaPort tell me, this is made from virgin canola oil, they used one other oil is canola was in short supply but I can't remember what they told me.
I pumped one quart (shy) of B99 into a mason jar and placed it into my refrigerator. I used a thermometer for HVAC vent measurements to determine my refrigerator maintains about 30-31*F. After 24 hours in the refer the B99 stayed very liquid, although somewhat cloudy throughout it retained it's yellow color. The bottom had a layer of wax fallout, I estimate the amount of wax to be about 20% of the total volume. Although this is certainly approaching the temperature limit of this fuel I can see no reason not to run this fuel down to freezing temperatures, which I see very seldom as the temperature staying about 40*F most of the winter.
[img=http://thumb4.webshots.com/t/53/453/5/22/33/2841522330096396344chlmcY_th.jpg]
I placed the sample back into the refer for about 2 hours to stabilize the temperature. After the temperature stabilized I added a small amount of Stanadyne Performance Formula fuel additive which is supposed to lower the pour point by 40*F from the fuel's original pour point. As my truck as a heated fuel filter/water separator the Cold Filter Plugging Point is not a concern, only the pour point. As long as the fuel pump can pull the fuel out of the tank my truck will run just fine. As long as I can get the truck running, the return fuel supply will warm the tank enough to allow proper operation.
[img=http://thumb4.webshots.com/t/28/28/8/99/7/2682899070096396344xUzBeh_th.jpg]
[img=http://thumb4.webshots.com/t/53/453/0/60/49/2949060490096396344OHURXF_th.jpg]
After the Stanadyne was added I again placed the sample in the refer to stabilize the temperature. After this period very little noticeable affect was observed. I then shook the sample to try and mix the Stanadyne with the B99. Some affect was observed, however not significant. What agitating the sample achieved was the size of the wax crystals were reduced and suspended more evenly.
[img=http://thumb4.webshots.com/t/57/757/8/22/14/2928822140096396344mqYzFi_th.jpg]
Directly after the shake test I warmed the sample to around 45*F to recombine approximately 98% of the wax back into the liquid fuel. When I was doing this I again agitated the sample. This should simulate the addition of the fuel additive to a tank of fuel and immediately operating the vehicle. This was most effective and by the time the sample was placed back into the refer no visible wax remained in the sample. The sample was placed back into the refer and the temperature once again stabilized.
The following pictures are after the last refrigerator run. The sample did could up some, however no wax settled out of the solution and laid on the bottom of the jar. I don't have a precise thermometer that will register below 25*F. I have order a low temperature thermometer so that I can see at what point the B99 with Stanadyne added will reach the pour point. I think that for my climate I can run pump B99 year round with little to no problem. For the colder parts of the winter pump B99 with some pour point depressant will work fine. If I'm going to be in mountain conditions longer than a day of skiing I will probably mix some dino diesel with the biodiesel which should virtually eliminate any problems I might have.
I pumped one quart (shy) of B99 into a mason jar and placed it into my refrigerator. I used a thermometer for HVAC vent measurements to determine my refrigerator maintains about 30-31*F. After 24 hours in the refer the B99 stayed very liquid, although somewhat cloudy throughout it retained it's yellow color. The bottom had a layer of wax fallout, I estimate the amount of wax to be about 20% of the total volume. Although this is certainly approaching the temperature limit of this fuel I can see no reason not to run this fuel down to freezing temperatures, which I see very seldom as the temperature staying about 40*F most of the winter.
[img=http://thumb4.webshots.com/t/53/453/5/22/33/2841522330096396344chlmcY_th.jpg]
I placed the sample back into the refer for about 2 hours to stabilize the temperature. After the temperature stabilized I added a small amount of Stanadyne Performance Formula fuel additive which is supposed to lower the pour point by 40*F from the fuel's original pour point. As my truck as a heated fuel filter/water separator the Cold Filter Plugging Point is not a concern, only the pour point. As long as the fuel pump can pull the fuel out of the tank my truck will run just fine. As long as I can get the truck running, the return fuel supply will warm the tank enough to allow proper operation.
[img=http://thumb4.webshots.com/t/28/28/8/99/7/2682899070096396344xUzBeh_th.jpg]
[img=http://thumb4.webshots.com/t/53/453/0/60/49/2949060490096396344OHURXF_th.jpg]
After the Stanadyne was added I again placed the sample in the refer to stabilize the temperature. After this period very little noticeable affect was observed. I then shook the sample to try and mix the Stanadyne with the B99. Some affect was observed, however not significant. What agitating the sample achieved was the size of the wax crystals were reduced and suspended more evenly.
[img=http://thumb4.webshots.com/t/57/757/8/22/14/2928822140096396344mqYzFi_th.jpg]
Directly after the shake test I warmed the sample to around 45*F to recombine approximately 98% of the wax back into the liquid fuel. When I was doing this I again agitated the sample. This should simulate the addition of the fuel additive to a tank of fuel and immediately operating the vehicle. This was most effective and by the time the sample was placed back into the refer no visible wax remained in the sample. The sample was placed back into the refer and the temperature once again stabilized.
The following pictures are after the last refrigerator run. The sample did could up some, however no wax settled out of the solution and laid on the bottom of the jar. I don't have a precise thermometer that will register below 25*F. I have order a low temperature thermometer so that I can see at what point the B99 with Stanadyne added will reach the pour point. I think that for my climate I can run pump B99 year round with little to no problem. For the colder parts of the winter pump B99 with some pour point depressant will work fine. If I'm going to be in mountain conditions longer than a day of skiing I will probably mix some dino diesel with the biodiesel which should virtually eliminate any problems I might have.
