Underdrive Pulleys & Torque Dampeners
I know that not many people are doing serious engine mods to their cars yet. But was wondering if anyone has installed an underdrive pulley on an xD. If so , did you feel a signifigant power increase? Were you required to change the belt?
Not sure if torque dampers are offered for the xD yet, but again if so, and someone installed one on their car, did you feel any difference? These are two engine mods I am considering, as they basically help free up wasted power the engine makes. Just curious if they are worth doing.
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