TwinTurbo.NET: Nissan 300ZX forum - You more than likely have a vacuum leak >>>>>>>
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Subject You more than likely have a vacuum leak >>>>>>>
     
Posted by JULIAN on December 14, 2020 at 7:40 AM
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In Reply To Re: I thought I remember reading normal is about 18 to 20 Hg. posted by slcZ32 on December 13, 2020 at 12:15 AM
     
Message Mine is currently the same reading as yours and I performed a smoke test and found that my upper intake manifold plenum gasket is leaking. So I might as well upgrade my injectors to larger ones, etc. at the same time.

     
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