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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Anyone with a stock LT1 and a vacuum guage or Datamaster...

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Old 10-12-2010, 11:59 AM
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Default Anyone with a stock LT1 and a vacuum guage or Datamaster...
I want to know the vacuum reading on a near stock cammed LT1.
Can someone slap a guage on the intake fitting or give me a Datamaster MAP reading at idle?
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Old 10-12-2010, 04:19 PM
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For some reason I think that 20-22 should be a good reading. This isn't based off anything more than a fleeting thought from back in the day.
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Old 10-12-2010, 06:36 PM
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I m not cammed but I think it around 25
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Old 10-12-2010, 07:09 PM
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I have about 11-12"
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Old 10-12-2010, 07:46 PM
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Originally Posted by speed_demon24
I have about 11-12"
With your AI cam right?
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Old 10-13-2010, 11:28 AM
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Originally Posted by wrd1972
With your AI cam right?
Right, he does not have a near stock or stock cam. Low 20's should be a good number to go off of based on your question.
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Old 10-13-2010, 12:41 PM
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Thanks guys
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