Condenser differences?

I don't know. If it was my business and I was busy, I wouldn't want to be spending time looking up these details when I had customers waiting for their distributors to get done. If I wasn't busy, then I'd either post an answer or PM the person to call or discuss.
Yep Hoppy is busy but he's always helpful with a quick answer if he can. The OP just wanted to know why the difference in the strap vs the wire condensers. Hoppy can answer that off the top of his head a lot faster than a dozen of us scouring the net for hours looking for an answer. That's like Mattax stepping in when someone is having a charging system or wiring issue. I wouldn't hesitate mentioning your name and if you have time you can answer. Slant 6 Dan for lighting or Pittsburghracer for questions about porting small block heads. I get quite a few questions about 273's. I'm no expert but I know more than many about the little buggers.