Using a request form to create multiple tasks with unique entries for the custom data fields

I am trying to minimize the custom data fields from a request form for integration purposes. I can use the request form to make two different tasks but the custom data fields are always the same, I would like to have unique custom data fields relative to the task. For example, Jimmy Juice has worked on two projects. His rate of pay for one project was 89.00 and the rate of pay for another project was ten dollars. I am not able to distinguish the appropriate custom data field for each task. Jimmy Juice's submission allows him to enter two different projects but for both projects, the custom data field states, for example that his rate of pay for both projects were 89.00. Check out the project name also which is a custom data field from the request form. Is there a way to fix this? I have tried altering the request form to no avail. I am trying to use 8 custom data fields instead of 236. Any help would be greatly appreciated.