Just checked my math LOL. Diesel is $1.30 a liter last I checked. Where do you crossover at? Sounds like you'll be ok.Thank you for your input. Usually when we drive through in the girlfriends car its very smooth and fast. Probably because she is a Candian Citzen. I just dont want them to jump all over the "illegal" mods to my truck. Them Candains are very protective of the enviroment.