Quote:
Originally Posted by paulv7260
Its the auto tranny. I haven't even tried the tap shifters yet. If it is AFM then fine but the vibration I feel seems unnatural. A tap on the accelerator and it goes away. No hint of a stall.
Paul
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a lot of cars tend to "bog down" at lower rpms. mainly cus you arent spinning the motor much above idle and you arent making much power. add into that that the l99 switches to 4cyl mode when cruising and the slight bog down/vibration is just that of the 4cyl motor pushing a 4000lb car.