how much diff from adding nitrous
I have a 355 sbc its only 7.25/1 compression ratio. I have a comp blower cam solid roller 575 lift with brodix track 1's. I'm running a 420 mega blower at 3% underdriven making 12psi boost and the car went a 10.20 at 130mph and I'm wanting to run bout 9.20-9.50. I don't belive ill get there without major changes to the short block or changing blowers its on gas! I'm thinking about puting a 200hp plate of nitrous on top the blower. The short block is all top quailty stuff! And was wondering if anybody had any thoughts about what kind of et to expect out of the nitrous or any feed back. Good or bad?