Is there a very safe limit amount of nitrous? Well built motor with forged pistons ,high compression. Would like to try,but don't want to be a bigger chance of blowing my motor.Just a thought.thanks.

If you don't get some good help, define good well first before starting also I would start out with small jets and go up from there.
I've never ran that stuff but a good friend of mine has and he learned to tune with it a back long time ago
He said to not hurt the motor run the same size jet in both solenoids, not to run the fuel richer than the NOS He also said that to get as much as possible out of a tune up to go down on the fuel jet size no more than two sizes smaller
You will need to flow the fuel system with the line off and the jet in the line to make sure you can set the pressure while flowing around 6.0 lbs. I've heard other NOS user say they use 5.5 to 4.0 lbs. pressure on their tune ups
Watch all the spark plus very closely, when it starts nipping the ground straps off go back the other way on the tuning, on timing, mixture and spark plug heat range
Good luck, let us know how your doing

The best advice I can give is call someone like Nitrous Outlet or Nitrous Express and tell them your combo and what you want to do. Different delivery systems, plates and solenoids all require different setups and jetting.

The biggest thing to consider once you are over the fairly easy 150 shot is ring gap! Make sure and follow what the piston manufacturer recommends or you will butt the end gaps on the rings and break pistons!

Timing and plug choice is also key, but the company you choose will tell you what is safe.

We started playing with 100 shot and then 150 last year and it's a lot of fun!

Just remember fuel rich will break just as many parts as fuel lean.

Honestly if you stay below 200hp it's pretty fool proof. Everyone starts like that lol

Get greedy and that's when problems start ... Lol

Call inductionnsolutions, Pkre or nitrous outlet or nitrous express, listen to experts .....

It's been said that the nitrous info on the Internet is unreliable lol, mostly because you get tuning tips from people who never even used it !

Other wise, ask mor specific questions and list as much infomaboutnyour engine as you can. Cam specs , ring gap, head chambers are all pertinent info.