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10 second daily driver :)
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Discussion Starter #1
Just like the title says, i was wondering for those of you with boost gauges, how much vacuum does your car idle at? and if any of you are experts whats considered good for a stock cam and head?
 

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Brokedick Millionaire
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40,226 Posts
18" for stock

Crane 0012 cam = 14"

Crane 0016 = 9-12" it jumped around due to the overlap, made getting the idle right very much a PITA!
 

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10 second daily driver :)
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3,238 Posts
Discussion Starter #3
mine pulls around 20 some times closer to 21.
 

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1,987 Posts
woo hoo my new map sensor works so I get to post in this thread

178 kPa at idle with crower 3 - psyched to tune ITBs with a MAP!!!
 

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mine used to be around 22-25. but since winter has came in...my idle is at 2500-3000rpms. so its saying about 15-18 now.
 

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21-22 psi on my y7 mini-me
 

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if you guys are less than 16 somethin isn't right. you should always have a strong vac closer to 20. mine sits at 20-21 at startup. 20 normal

-Luke
 
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