Post your 12 second small block combos
I went 12.54 in my 65 Barracuda:
stock 318, cast pistons, 273 rods, cast crank, unballanced
360 heads(not sure of casting #) angle milled down to 45.5 cc, 2.02, 1.6 valves, some bowl work, chipped at 7000 rpm, hit it almost every 1-2 shift; then I chipped it to 7400 rpm, didn't hit it any more...........:)
Comp Cams XTQ281S-6 cam
Edelbrock TorquerII intake, 750 Holley DP
D-Dart headers
Coan 4000 stall converter, 4.88 gears on a spool, 904, M/T 275/60-15 Drag radials
Southside Machine traction bars, Comp Engineering 3 way adj shocks in the rear, MP 90/10's up front, the car weighed 3080lbs with me in it.