My vacuum at idle for 8:5:1 compression

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01-07-2006, 10:17 PM

1epmugenlude

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My vacuum at idle for 8:5:1 compression

I was wondering if 12psi sounded normal for an engine with 8:5:1 compression that would be 12psi at idle.?? Any inputs would be appreciated.

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01-07-2006, 10:31 PM

1epmugenlude

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Re: My vacuum at idle for 8:5:1 compression (1epmugenlude)

please help

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01-07-2006, 11:16 PM

1epmugenlude

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im seeing -.72 bar or 530 mmhg at idle with this h22 of mine.. sound ok ?

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01-08-2006, 01:19 AM

abnaasefmb

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Re: (1epmugenlude)

if your hitting 12psi @ idle you must have a very fast spooling turbo

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01-08-2006, 01:23 AM

1epmugenlude

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oops, ...I meant negative 12 on my profec e01..

Modified by 1epmugenlude at 3:27 AM 1/8/2006

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01-08-2006, 02:27 AM

abnaasefmb

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Re: (1epmugenlude)

12 seems kinda weak i pull 20 @ idle but thats a stock b16

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01-08-2006, 05:05 AM

Frozen E

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shouldn't really matter what kind of compression you're running. vacuum should stay damn near the same compared to a stock motor. So yeah, around 20" should be right. You may have a slight leak somewhere.

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My vacuum at idle for 8:5:1 compression

My vacuum at idle for 8:5:1 compression

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