Post your 13 second small block combos
My purestock 74 360 duster runs 13.8's@100 at will and has run 13.78 a couple times.
.030 360 with 8.8:1 compression.
stock 587 heads
stock intake
stock 850 TQ
stock exhaust manifolds with 2 1/2 headpipes,dynomax mufflers, and 2 1/4 tailpipes
727 coulumn shift
8 1/4 rear with 3.55 sure grip
3500 pounds with me in it and full tank of fuel
215/70/14 goodyear radials