I'm in St.Louis, it does get pretty cold here and quite hot in the summer. Nothing like the cold of NY though. I'm from upstate NY, around the Glens Falls/Lake George area. I know what a NY winter is like! You would need all the help you can get. Funny you say that the engine doesn't warm up that fast.. My car is up to temp within a couple minutes of driving when its around 70 degrees outside. Granted I'm sure that will be slower in winter, but it still warms much faster than my TDI ever did.
As for the TDI forum... I don't know what it is about that place. Everyone on there either has something to prove or is just very negative about anything and everything. The main problem with running veg oil in a TDI is that its a direct injected diesel. This is the same problem any late model diesel will have running veg oil or other alternative fuels. If the injector gets a little clogged, or the fuel doesn't atomize very well you can score the cylinder walls and ruin your engine thanks to the fuel hitting the wall instead of being burnt. With the older vw diesels being IDI engines, the burning is in the prechamber and you dont have the same issues with fuels of different consistancy. It may not burn as well if something isn't right but it wont destroy the engine nearly as easily. My advice would be to stick with the older IDI diesels for veg oil. I would take what you hear from the TDI forum with a grain of salt. Its so hard to get good info over there. Everyone thinks they have something better than you or they know more than you. I always felt like I was being talked down to.. No thanks.
Jason
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