A stock SS wont run a 12.2 Most run 13.3- 13.8 depends on AIR and driver.
When have so many guys even with stk R/Ts with 5.7s running low and I mean documented time slip posted 13.12s and one gu posted a 12.90, but I know he has a custome tune as well.
Anyway the point is that they are yupi cars for mainly yupi tools.
Regardless, the 64 Dart with the stroker 416 will destroy all of them in the 1/4.
But my 09 srt with the 6 spd does have a 3.92 posi, would impressive you for sure it halls balls for a 4000 car.
But it is the top end that is a monster, like I said 178 -185 stk is documented on the challenger. I oulled 152 in 5th and she was still pulling before I upshifted to 6th and coasted back dow.
And at 120 car feels like maybe 90-100, at 150 I swear I was only running maybe 125 ish. Car is smooth and they did a good job for a modern car.
But that SS stock will not do a 12.2, add a custom tune, some cat backs and cai yes maybe.. then I am sure with a good driver and better than stock tires. it to is a 4000 lb car, the 60' times suck on these big cars and they nead at least a set of drag radials to get moving...