TwinTurbo.NET: Nissan 300ZX forum - Sorry, I didn't see where you said you did a vac leak test
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Subject Sorry, I didn't see where you said you did a vac leak test
     
Posted by Haasz32 on April 01, 2014 at 8:43 PM
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In Reply To My theory: You have a big vacuum leak. With the MAF posted by Haasz32 on April 01, 2014 at 08:30 PM
     
Message already before I posted. Although, that doesn't change my theory. I assume you haven't fixed the vac leak then?

When you say, "Put my engine back together", are you saying you opened up the bottom end and did a full rebuild, or do you just mean you did an injector upgrade and got it all back together? You shouldn't be leaking air down where you're describing. Are you sure it's not leaking from one of the intake pipes that pass the front of the engine on either side (like intercooler pipes or any of the small vac lines) and just blowing air down by the crank?

     
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