Underdrive pulley
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Joined: Apr 2002
Posts: 216
From: Mahopac, NY
Underdrive pulley
What is basis behind a underdrive pulley? How do they make power? Do you still need the harmonic balancer along with the underdrive pulley?
While taking out my opti i noticed i had two crank pullies, it then came to my knowledge that one was the harmonic balancer and one was an aftermarket underdrive pulley.
While taking out my opti i noticed i had two crank pullies, it then came to my knowledge that one was the harmonic balancer and one was an aftermarket underdrive pulley.
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