The only dry kit I would use is the Zex because it actually raises the fuel pressure to add the extra fuel. I have used this on a few different cars and they work just fine as long as you stay with the 50 shot. Most people will want to go up on the shot and THEN blow something up. If you have the budget just go with the wet kit and have it tuned (adjusting jet size for proper afr). The d-series do well with N2O.