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Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 03-14-2007, 11:14 PM   #21
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You should have so much boost with a stock pulley and no cat. Something isn't adding up.
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Old 03-14-2007, 11:37 PM   #22
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My pulley is not stock it'* a 2.3. Will a scan tool do anything without the CEL being on??
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Old 03-14-2007, 11:58 PM   #23
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He said that his boost guage read 10+ before and after. If you remember, on my '93, it always did that, too, the guage wasn't reading right. It was either in the cluster, or at the SC. I had to usually guess at my actual boost.

And I had a 2.2" pulley. The guage shouldn't read 10+ all the time. My guage was broke.

I have a strong feeling this is going on here, too, so we can't trust that guage for nothing.
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Old 03-15-2007, 12:14 AM   #24
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Sorry, brain fart on stock pulley size...

Is it always above 10 or just at full throttle?
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Old 03-15-2007, 09:26 AM   #25
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I think it'* time for a scantool.
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Old 03-15-2007, 11:20 AM   #26
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Just at WOT. It feels like a turbo now it kicks in rather the smooth power all the way up the RPM range.
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Old 03-15-2007, 11:25 AM   #27
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Check over the positioning of the boost actuator for binding of the rod that controls the bypass.
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Old 03-15-2007, 11:42 AM   #28
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At idle, disconnect the top vacuum fitting on the actuator. The bypass should move fully and immediately. After that, spray carb cleaner on each vacuum fitting one at a time. Your idle will change if you find a vacuum leak.
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Old 03-15-2007, 12:13 PM   #29
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Actuator works right. No leaks that I could find.
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Old 03-15-2007, 12:22 PM   #30
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Get a scantool.
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