Sam,
The delay box is the part only allowed in Pro ET in
most sanctioning bodies. Running the same bike in Pro Et and Street might be allowed or not. They don't wait for you to get back to race in the other eliminator. You will also heat up the oil by not letting it cool down between rounds. If Pro ET doesn't allow delay boxes, you will be much more competitive starting out. Like I said in my earlier post, I can set you up anywhere/anyway you want. If a sanctioning body allows you to run both Pro and Street, the Pro driver would connect the delay box to the bike before he raced it, and removes it when he gives it back to the Street ET driver. Never seen it tried, but I don't think that it's illegal.(except in sanctioning bodies that don't allow delay boxes in Pro ET) The only question to ask is what's the maximum allowed ET for Pro ET racing. You'll probably be in the 12's, which should allow you into most Pro ET classes.
If you decide on Valdosta on the April 8 weekend, I might be able to get one of my bikes down there. Available for whomever doesn't have a ride for that day. I'd prefer to set it up for Pro ET than Street, but can do it either way. The only downside is that I'd be there with a lot of advice? You just got to decide where/when.
Hondamatic