8th Generation Honda Civic Forum - View Single Post - Unorthodox Pulley Set for the SI...Info on Install.......
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Old 01-02-2007, 11:01 AM   #14 (permalink)
bossman
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Quote:
Originally Posted by Shark Tek
Its cool don't worry I understand.

I bought NST. I liked the specs of 15% underdriving the crank and 15% overdriving the ALT.
I don't mean to sound like a total chod but what does it mean to underdrive the crank? I understand that overdriving increases the rotation by whatever percent of whatever is spinning but how can the crank be underdriven?
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