Had a chemically enhanced best last night. Only spraying a 052 jet through a plate, so child's play compared to what most of you guys are playing with. My first time out with the bottle on this car, and I had a few questions regarding nitrous...

Does DA influence nitrous performance similarly to how it does an NA application. DA was ~2500 last night, and NA performance was off 0.1-0.15 compared to "normal" ~1500ft air, so should a I expect the same shift in better air on the bottle?

Ran a 11.80 @ 112.4 NA, Wallace estimates 410 rwhp at 3800#

Setup is a Performer RPM plate/noids, Bottle behind drivers seat, -6 line to noid. Short braided lines from noids to plate.

I filled up with 100 unleaded (no lead to to EFI/O2 sensors), and pulled 8 deg with a NGK 7 plug. I know, super conservative. 950psi in the bottle. Picked up 0.55 and 7.5 MPH. Plug indicated more timing was needed, added 2 degrees. Picked up another 0.16 and 1 mph, ~515rwhp. 11.08 @ 120.7...so close to 10's, haha

The jetting charts that show a 52 jet being ~100hp seem correct. Plug indicated it could almost use more timing still, fuel looked good, ~12.5 AFR. The lanes were moving real slow at that point, so I packed up and went home.

I am tee-ing off the EFI line for the fuel solenoid, 58 psi pressure, with a 28 jet. It might be a little fat at the hit, but I have a separate AFR target set in the EFI software, so it can make some corrections.

The converter is a fairly loose 9.5", ~4500 flash. The fallback seemed ~250 rpm higher than NA, which seems reasonable.

I know a dedicated low pressure fuel system for the N2O would be preferred, and add another degree of tuning with fuel pressure. I see a lot of street guys running pump gas in the main tank and race gas in the dedicated cell, and I suppose if you tune based on that and keep it consistent, then it would be OK, but I would think having all the fuel the same would be preferred. Any thoughts on mixing fuels?

Datalog attached of N2O run and NA compared to N2O run