It would be the same as any data log with any power adder. I found that the first tune is usually pretty tame and they fine tune with the data logs. You have a base nitrous tune I am thinking from your tuner?
I did my nitrous tune through data logging , safe on your car ? Well I'd say as long as your jetting is right I wouldn't worry about logging a hit . The dangerous part in my opinion is doing a 3rd gear wot on nitrous on the street , your talking 25 mph -100 mph real fast . My tuner didn't have to adjust my nitrous tune much I did have problems with jetting so I had to do multiple pulls .
Going from a 75 to 100 is not a huge difference and requires very little adjustments. The key to datalogging is following directions carefully. I can work with you closely and with dialing it in if you need any help. Just shoot me a call.