Underdrive pulley ??? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-29-2004, 04:20 PM Thread Starter
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Underdrive pulley ???

I run a 1.6 / 8 valve with a cam ... What realy will underdrive pulley do for me ?? pros and cons please Thanks Taz
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post #2 of (permalink) Old 10-29-2004, 06:27 PM
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Re: Underdrive pulley ???

It will reduce parasitic HP drains (forgot the correct term): water & alt. If you're running a GM alt, it will probably last a bit longer and I found that the motor spools up faster. Another benefit was the reduction of belt noise at highway speeds. I never thought that there was actually belt noise as an issue, but it did reduce the noise level especially at highway speeds......
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post #3 of (permalink) Old 10-29-2004, 07:52 PM
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Re: Underdrive pulley ???

On the down side your fan pulley will turn slower and may cause overheating; esp if you are running the stock 2 core rad.
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