tdog

what will the compression test tell me related to getting a zex kit for my car?

OneThirtyEight

condition of piston rings, if you have any bent valves.

tdog

so this will let me no if i can put in a zex nos kit?

OneThirtyEight

It will let you know if you have any serious problems that nitrous would make catrostrophic. Its not going to make anything any safer if your car is in good condition, if you want to be safer get a window switch, FPR, and zex plugs.