Is an 11:1 compression rate a good rate to do with a direct port nos kit or will it take away from the bottom end.... and will i have to go down in the shot of nos?

 

It depends.

 

depends on what...because i was told that the higher compression the more top end you will have so would it take away from the bottom end and if so what do i need to do to build the bottom end?

 

You were told wrong. Your getting two totally different things confused here. Top and low end of a power curve, and top and bottom end of an engine.

It depends on the engine, other mods, state of tune, fuel, ignition, etc.

 

The higher the compression the harder to tune under forced induction.

The higher the compression the more horsepower you make with a "X" sized shot (X being constant).

Compression greater than 10.5:1 should probably be reserved for all motor applications and not FI (but it can be done).

 

well n20 loves high compression, but your timing will have to be really retarded (no pun intended) a fuel system thats up to the task, and just to be on the safe side run the n20/fuel mixture a tad richer

 

And some 94+ octane cant hurt either.

 

yeah that too, super high octane is yu0r fraing