This might be off topic, but does any drag strip give better looking timeslips than the standard thermal printer paper?
I mean, why not print nice looking time slips with big letters/numbers on quality paper? They all look like receipts from a gas station...
How about having a weather station local to the track that records air temperature, relative humidity and puts it on the timeslip?
How about a simple line chart that shows distance vs. time?
How about a dragstrip "binder" that the frequent drag racer can use to hold their timeslips.
Just throwing out ideas...