3:55 or 3:91?

Thats cool but check this website out!

http://vexer.com/68rt/speed.html

I've got a bunch of calculators on my computer. I've got that one also. I like the vintage look of it.

go with 391 or 410 and run the tallest tire that fits and run a 26 inch slick at the strip. im probably not the best person to give advice tho. im gonna run 4.88s on the street. i can already hear the whine

You are the man!