In my ls1, stock t56, 6500shift points and stock 4.23 gears.
50mph first
73mph 2nd
109mph 3rd
dunno in 4th
I come out of the whole with a 2.1 60' and still manage 13.2s.
Local stock ls1 auto with 2.73 gears ran 13.0s and doesn't the a4 have a longer 1st gear?
I kind of get what you are saying but it just seems a longer 1st gear would help to me and as usual I'm being stuborn.