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Discussion Starter · #1 ·
today i was reading two inches less vacuum than normal. if i raised the revs a little it would go down to what i normally read. any ideas, the car runs fine otherwise.
 

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Did you have your A/C on?
 

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Discussion Starter · #4 ·
i am reading vacuum because i have a VDO boost gauge
i dont think its a leak because boost readings are correct
 
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