How about we add a category for the worst best time? I shaved mine from 19.8 to 19.1 with a tune-up and valve adjustment. 66 Valiant that still has the original untouched slant, three-on-the-tree.
I'm pretty confident i have a perfect .000 light slip laying around, which was the first pass ever in my dart, where it was a 19.00 at like 65 MPH lol. (stock slant six and 2.XX gears)