just testing, back when i ran a 3.45 i didn't know about the 3.90 . so foe you and myself i want to know
, I am not fully modded with my now srt6 and I ran 12.4 @ 110 . compared to 100% stock on street tires- 13.2 @105, that is less than a full second i was expecting at least a second better .
I still have street tires,V8 intake, needswings, heat exchanger, headers, down pipes. no cats through resonator and muffler,lower pulley 178 upper pully ( Had my stock one turned down ,so i don't know the mm) Tune by Rudy, 3.90 gear rato manual fuel regulator fuel set at 61psi and my afr's at 12.2
I have a friend with a srt6 with same mods that i have + a killer chiller and he is running the 3.90 rear and drag radials running 12.2 @ ???, the same time he ran with 2.27 gears. he in up north 1000 miles from me so he can not run in the winter so we are trying to find the best rear for our car for it to be the fastest it can be . will keep you updated. jim