Post your 12 /13 Second 455 combos!

1970 GS. 3.42 gears. T400 w 11” converter. 28” MT radials.
1973 455+.040 2353F pistons .035 in hole.
Original 1973 heads and standard valves. Bowls ported. Minimal mill. Comp 278 extreme energy 230/236@.050 110LC 480something lift stock rockers and pushrods. Edelbrock performer. Qjets both 750 and 800. Dougs 1 7/8” headers to 3” exhaust to bumper w X. Full stock suspension but adjustable upper rear arms.
Best 12.55@107 1.70 best 60 all 1.70-1.74 on 3 track trips.
Switch to 850 Holley annular discharger 9380
Best 12.30@109 best 1.69 60 ft. No front sway bar.