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Old 04-04-2006, 08:41 PM
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Default vacuum? how to get a higher pressure?

im getting about 19in/hg right now. i read that is on the low end of the pressure that should be created at idle? so either i have a small leak somwhere or something else can be adjusted? what can i do?
Old 04-04-2006, 08:47 PM
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Default Re: vacuum? how to get a higher pressure? (the.hamburglar)

..... leak down & compression test.
Old 04-04-2006, 09:05 PM
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Default Re: vacuum? how to get a higher pressure? (mtber)

compressoion is fine, i just rebuilt the motor. what should the vacuum read
Old 04-04-2006, 09:22 PM
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Default Re: vacuum? how to get a higher pressure? (the.hamburglar)

mines at 20-21in hg. on stock motor... 19 isn't that big a deal , how long since the rebuild? ring end gaps ? timing?
Old 04-04-2006, 09:43 PM
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Default Re: vacuum? how to get a higher pressure? (black98gsr-t)

not even 60 miles. like 2 weeks ago i put it in
Old 04-05-2006, 11:46 AM
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Default Re: vacuum? how to get a higher pressure? (the.hamburglar)

id put a few more miles on it before i do anything.. if your ring end gaps were to big that could have an effect but get it tuned and just drive it for awhile.. just my 2cts.
Old 04-05-2006, 11:48 AM
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Default Re: vacuum? how to get a higher pressure? (black98gsr-t)

As you drive it the rings should seat more making the vacuum go up some.

As others said. Don't worry, put more miles on the car and keep an eye on it.
Old 04-05-2006, 01:43 PM
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Default Re: vacuum? how to get a higher pressure? (mike1114)

its running rich at idle right now. about 13:1. ill tune it soon once i get a laptop. in the mean time it will stay parked
Old 04-05-2006, 02:33 PM
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Default Re: vacuum? how to get a higher pressure? (the.hamburglar)

break it in, and make sure the timming is set right. you should be ok.
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