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Old 08-31-2002, 03:58 PM
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People with SC's
Just wondering, on your boost guage, what is the vacuum pressure reading at idle? I get around -25? Thanks.
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Old 08-31-2002, 04:22 PM
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Re: People with SC's
Really? That's good. I get around -21.
With the ac on it drops to -19.
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Old 08-31-2002, 04:52 PM
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When I had mine... about -20 inHg
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Old 09-01-2002, 09:12 AM
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yea about -20
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Old 09-01-2002, 09:38 AM
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18-20, -25 wow thats low
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Old 09-01-2002, 01:09 PM
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Originally posted by CoOlKidS1979
18-20, -25 wow thats low
not to seem like a dumb*** but why is lower, better? at what rpm does your SC kick in?

P.S. I have the 2.87" pulley
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Old 09-01-2002, 03:05 PM
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Originally posted by brodaiga


not to seem like a dumb*** but why is lower, better? at what rpm does your SC kick in?

P.S. I have the 2.87" pulley

For me my needle likes to hand out at 19-20
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Old 09-01-2002, 03:38 PM
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Originally posted by brodaiga


not to seem like a dumb*** but why is lower, better? at what rpm does your SC kick in?

P.S. I have the 2.87" pulley
Partly because it indicates how well the engine is drawing in air during the intake stroke...
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Old 09-03-2002, 06:49 AM
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Originally posted by Chunger


Partly because it indicates how well the engine is drawing in air during the intake stroke...
Exactly...think of the engine as an "air pump". The deeper the
vacuum, the better it sucks air...and we all know the more air
an engine can get, the more power it can generate.
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Old 09-28-2002, 01:51 AM
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I get 13-14 at idle in D.

I've been troubleshooting it for months. I gave up.

IanS
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