it is farenhieht,. well and about the battery i made sure i hade the most crakig amp one. i got one with 900CA, and about 790 CCA.. i will try to get and charger and try that out.. (because battery sucsk when its cold right?).. well i took out the fuel filter (inline) and theres a bunch a black stuff in it. it may be clogged.. but i have ran out of battery to try it again.. well keep the advices comming.. and thxs a lot for the help guys