you might want to check out the frybrid forums, there are a few VP44 owners who have done this converson with success. While the VP44 does have its issues, I do think it is alot more stout than people make it seem. Watch your pressure, keep your fuel clean and you should be fine.
They also sell a heavy duty version of the FASS pump for WVO systems.
They also sell a heavy duty version of the FASS pump for WVO systems.