TwinTurbo.NET: Nissan 300ZX forum - Is an Underdrive Pulley safe?
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Subject Is an Underdrive Pulley safe?
     
Posted by Sonar on September 07, 2004 at 9:15 AM
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You've heard the rumors. The story usually goes the Z's engine needs the heavier pulley because [fill in the blank - harmonic dampning, etc] and engine damage will result soon after you install an underdrive pulley.

For those of you that installed them, do you believe this was a "safe" mod for at least 20,000 miles?

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  1. Yes
  2. No
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