Now is probably not the time to mention this, but wouldn't you have been better off to only drill the holes you need? Yes, I know "It wouldn't be factory", but as you've pointed out in other postings, those holes are nothing but a leak path to provide rust an opportunity to grow and spread.
If you've already drilled these holes, a small dab of sealer in each one before you put the tape on will help with the rust issue. Remember Chrysler was out to use the cheapest material they could, particularly for something that wouldn't have been seen by the customer. What you're probably looking for is something like cloth hockey stick tape.