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has any one done this before and will i gain any thing from doing it.i want to add a biger t/b and maybe nos.will it be better to have the 83 zx set up with the o2 sensor.is the 83 easier to keep adjusted.will the 02 sensor tell the comp when the car is running rich and will the comp be able to fix it.and what is the diffrents in the two systems are they both the same kinda of system.thanks for the help
 

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Actually your current setup is much easier. The later models run more relays, sensors ect. Having an O2 sensor won't help in performance at all. After 3500 rpms the computer does't even use the O2 sensor. Stick with what you've got, upgrade the air filter, exhaust, AFM(turbo) and throttle body, then adjust your AFM to make up for any more fuel you'll need.
Jim
 
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