Whats the best time for a factory stock duster 1/4 miles ??

I do have the info on how slow a 340 can be....

Published in Motor Trend "The Last Roundup Comparison Test"
Oct. 1971 (These are for 1972 modle year cars)

1972 Camaro
Engine: 350 2v
HP @ RPM: 165 @ 4000
Torque: lbs.-ft. @ RPM 280 @ 2400
Transmission: 3-Speed auto
Final Drive Ratio: 2.73:1
Curb Weight: 3,336

Standing Start 1/4 Mile
18.5 @ 79


1972 Javelin
Engine: 401 4v
HP @ RPM: 255 @ 4600
Torque: lbs.-ft. @ RPM 345 @ 3300
Transmission: 3-Speed auto
Final Drive Ratio: 2.87:1
Curb Weight: 3,300

Standing Start 1/4 Mile
16.1 @ 89.5


1972 Firebird
Engine: 400 2v
HP @ RPM: 170 @ 4000
Torque: lbs.-ft. @ RPM 310 @ 2400
Transmission: 3-Speed auto
Final Drive Ratio: 3.42:1
Curb Weight: 3,241

Standing Start 1/4 Mile
17.6 @ 77


1972 Cuda
Engine: 340 4v
HP @ RPM: 240 @ 4800
Torque: lbs.-ft. @ RPM 290 @ 300
Transmission: 4-Speed
Final Drive Ratio: 3.55:1 with Sure-Grip
Curb Weight: 3,625

Standing Start 1/4 Mile
16.3 @ 85.5


1972 Mustang
Engine: 302 2v
HP @ RPM: 142 @ 4000
Torque: lbs.-ft. @ RPM 200 @ 2600
Transmission: 3-Speed auto
Final Drive Ratio: 2.79:1
Curb Weight: 3,300

Standing Start 1/4 Mile
17.5 @ 78