340 x-block vs. 410 stroker ?

That's cool. Kind of wonder what I was looking for at the track if I ever do meet up with you. And it's a 73 Dart sport?
I have a friend I was just talking to on the phone a few minutes ago that has a 73 and up dart Sport front fiberglass bumper. I'm sure I can get it to you for half the price of new. Or possibly some kind of trade that works for all.