12's from a 340 naturally aspirated.

Last pass with my stock stroke 340 was 12.20 @ 110 letting off on a breakout pass. Found out after the motor was running on 7 cylinders, had a broken piston ring in the #5 cylinder. Heads were ancient, unported 2.02 valve W2s, Mopar .557" solid cam, Victor intake, 750 DP carb, low gear 904, 10" 3,500 converter, 4.10 rear on a 28" tire. Sixty foot was 1.7. launching just above idle. Car was a tick over 3,200 with me in it. Previous owner went 11.97 before I bought it.