tuning options for a 93'

I know everything that you do you need to tune your car, my question is how does everyone do this without getting it dyno tuned every time???? I have a Delta Force chip now that has 6 positions but I have to send it in every time i want to change something. IS their easier way to do this, like the OBD II port on the 96 and newer cars. Thanks, Drew
 
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