I don't know if N/A would be the way to go... Maybe not a S/C or T/C but maybe a 75 or 100 shot in 2nd or 3rd gear would help a lot... Assuming that you have a tight enough suspension and some slicks on it, I don't see any reason why you couldn't hit the nitrous in 2nd gear, if not possibly in first... But I wouldn't be starting with the Zetec motor personally...
Mark