I am going to spray my truck tonight. It is an 07nnbs 4.8 silverado. It ran a previous best of 13.70 @ 97 NA. I am going to run a 150 shot. NOS jetting is 63N 38F for a 150 shot on a single fogger nozzle. All I have to do is back just the nitrous jet down 20% correct. Which would give me 51N 38 F for a 150 shot with nano. And how much ET could I expect to gain. I would think more than a second in the 1/4.

 

nano does suggest a 20% decrease on nitrous jet if your car was tuned with out the nano.

 

Correct you can do a 20% decrease on the nitrous side to accommodate the use of the Nano.

 

You"ll probably find that 20% to be on the fat side...

 

It is 20% of the orfice area so your .063 will become a .056. If you want more power your fuel jet will become a .042.