HCI question (long winded as usual)

[82 GT]

I think the difference is with the long tubes. I think if you had long tubes you would have the hp advantage you're looking for.
As far as his "feeling" like it has more power than yours around town, that might be because of his lower gears.
You didn't say what tranny you guys had. A stick shift car has less parasitic losses than an automatic. If you have an auto and he has a stick, that could be why his seems like it has more power.

Also, I'm running at Numidia tonight if it quits raining
Are you going? Look for me if you go. I'll most likely have the only 82 GT there. It's a black T top with fiberglass cowl hood.