like said mate, you wont know till you test it, but typically, not really.
Originally Posted by Chip-3Door
At that level on similar engines, ive found the cooling effect of the nitrous is enough to offset the higher VE achieved, and typically ignition retard isnt needed.
If you need to adjust your fuelling map, you have done something wrong with the nitrous instalation.
exactly.
been some slightly wierd/gay comments so far