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How much does an UDP really help?

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Old 08-26-2003, 11:51 PM
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How much does an UDP really help?
Like in the 1/4 mile?

And on the dyno?

Just curious...
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Old 08-27-2003, 06:48 AM
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I think the dyno is 5-8 hp.

Not sure about the track yet. (Waiting for cool weather)

You can feel it in 1st and 2nd. Not much after that.
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Old 08-27-2003, 09:02 AM
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i was told it just gets u to higher rpm's quicker which is great on a boosted car
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Old 08-27-2003, 09:24 AM
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Does UDP increase fuel economy? I am really curious because it lower down the power consumption of your car.
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Old 08-27-2003, 11:08 AM
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Theoretically, it could increase fuel economy. Although it would probably be a negligible difference
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Old 08-27-2003, 11:48 AM
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Originally posted by Redmax
i was told it just gets u to higher rpm's quicker which is great on a boosted car

Underdriving your superchargers pulley is not great....
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Old 08-27-2003, 11:50 AM
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Underdriving your turbochargers pulley is great.
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Old 08-27-2003, 11:52 AM
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less lag time
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Old 08-27-2003, 11:54 AM
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So what about a N/A car? I would like to know the supposed "gains" as well? Peace_
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Old 08-27-2003, 12:52 PM
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See 2nd post
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Old 08-27-2003, 01:02 PM
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It affects the performance about as much as the weather. Like driving your car on a warm day (OEM pully) to driving it on a cool day (UDP).If someone installed it on your car without you knowing, the car would "feel" quicker. Don't expect a big kick in the pants after install though. Since you're 5-speed you'll probably feel it more than us auto's.
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Old 08-27-2003, 01:04 PM
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Weather or maybe the difference between having the ac on vs off.
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