buy a propane space heater and get it done! being in washington I'm surprise you don't already have one. http://www.heatershop.com/forced_air...e_heaters.html

and before you say it, yes in Northern texas we have 20* temps too, all this last week its been 20-30 and i was working under my car on the cold cement it sucks but I'd rather get it done....i even havea spare car but i hate driving it.

I think there's more you might need than just the fuel pump, thats why the kit makes it nicer. On another LT1 i was looking at doing the samething and for some reason just the pump wouldn't quite work...it has to be modded or have an adapter. its been a few years sorry.