TwinTurbo.NET: Nissan 300ZX forum - Putting a vacuum on the wastegates is a good idea
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Subject Putting a vacuum on the wastegates is a good idea
     
Posted by dTb on August 26, 2016 at 7:17 PM
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In Reply To Few things you can try... posted by kickerzx on August 26, 2016 at 05:29 AM
     
Message I will try that.

Im pretty sure the exhaust is not clogged, it is all brand new, i will double check that too though.

Plenum is pulling good vacuum ( -10 psi) so no leaks there. Ive also done a smoke leak test at Z clinic to rule out the intake manifold.

Awhile back I did notice a little bit of signs of what i thought looked like flow reversion in the lower intake manifold ports to the driver side bank. There was a little oil film/gas/soot in the runners.. From reading about too much valve overlap, this seems like a possible side affect... It is a new block, not sure if its blow-by or??

I do have the boost solenoid venting to atm.

     
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