Would it be worth it?

I'm looking to haul Oliver to a show this summer. Just a local schooling show. He's made a lot of progress and I want to show him off a little. I think he'd do really well in pleasure/equitation classes. The only downfall right now is that he doesn't have a lope down (yet). He has a great walk and a great jog, but the lope... is more like a barrel horse.

Here's where my problem lies. The show I'm thinking of going to is the end of July, so I have time to work on the lope more. They have walk/jog 13 and over classes for equitation and pleasure. So, basically, at this point, I'd be having him hauled about a half hour away for two classes. If we get the lope down, I could probably enter 5 classes (which would be worth it). There's no cross-entering allowed (of course). I can settle him into a nicely paced english canter (which would mean he could do open english pleasure/equitation, but not western).

Basically, at this point, should I even talk to his owners about hauling to a show this summer? I'd like to give them plenty of time to think about the idea (even though they would probably be all for it). But, since I'm not sure if we'll be prepared, I don't know if I should bother bringing it up yet.