did post in here but it vanished, odd?

was after advice on the best improvements i can get on my car on the quater mile. was disapointed it ran a 18.9 its a 2l straight 6 engine, triumph vitesse mk1 engine. is NOS a good choice for easyly improving the 1/4 mile time?

here are my 2 race vids, please feal free to coment on them
http://www.youtube.com/watch?v=ici4rPz6Uvs
http://www.youtube.com/watch?v=hLSfZKjnNb4

all help greatly receved, for more pics of car see the newbi sighn in room, chears