im doin the same thing... i havent the slightest idea why. i measured the pulley its 4.0 97 gtp stock pulley. zzp cai zzp 1.0 pcm plog ceramic crossover 103 plugs hei coils 10.5 mm wiresm shorter dogbones drag radials... im not gonna say someone didnt port the heads or even if the charger is stock i got the car 2 years ago and had to replace the whole front end. stock pulley... stock cam... ran a 13.24 and it was rolling tires up to 30mph. my transmission is starting to hate me.... does anyone have any input on why this thing is running like a scalded dog? not that im complaining but im intensely curious https://www.facebook.com/photo.php?v...type=2&theater