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Discussion Starter #1
when i hooked my boost/vacuum gauge up on my 6.5, i put it in the boost sensor location with a tee. i heard of other people doing this, but someone said doin it this way would mess up the barrometric pressure. is this true? also, all i read is boost, shouldn't i read vacuum at idle? any help would be appreciated
 

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i drilled and tapped a hole about 8 inches from the turbo. cause of reading the same stuff you mention. my gauge is also boost/vac but shows no vac and never has. my understanding is turbo is always giving some boost albeit small. turbo vanes always spinning with engine running.
 

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you shouldn't read any vacuum. diesel motors do not pull vacuum pressure like gassers do. this is why you've got a hydro booster on your brakes instead of a vacuum booster.

sounds like everything is okay;)
 

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Discussion Starter #4
thanks for the help. i didnt know that diesel engines didnt pull vacuum like gassers, i'm new to diesels and i still got a lot to learn. but as long as my engine and all seems to run fine i guess i'll just keep the setup i got.
 
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