TwinTurbo.NET: Nissan 300ZX forum - boost leak or timing issue?
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Subject boost leak or timing issue?
     
Posted by twin3037 on April 18, 2010 at 9:53 PM
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Message So i just recently completed my 120k service got the car all back together and turned it on without any problems. Oil pressure and temps are both good.

My problem is that it seems to be idling a little rough and a couple hundred rpms low. The vacuum pressure is also lower at idle then it used to be, it sits around 9-10 vacuum instead of the normal 14-15 vacuum. Then when i get on the gas the car starts to get going builds boost but then just falls flat on the top end. The boost gauge doesn't seems to be reading any lower and i am not in safety boost so i am not sure what the problem is.

As the only things that got messed with are the intake tubes and timing components i assume it has to be either boost leak or timing being off. Any ideas at to which it is?

     
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