2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

surge tank/intake plenum?

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Old Mar 10, 2010 | 08:16 PM
  #1  
datz's Avatar
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GNARKILL
 
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From: phoenix, az
AZ surge tank/intake plenum?

i think i need help
the gasket between the dynamic chamber/intake plenum and intake plenum/intake manifold were leaking so i ordered the gaskets from mazdatrix. i removed the 2 manifolds, BAC, secondary fuel rail/injectors.
while i have this off should i also replace BAC/manifold gasket, vacum lines under manifold, o-rings on fuel injectors, and OMP oil lines?
and what would be a good replacement for the OMP oil lines that are stronger/better than the stock ones?

please help
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Old Mar 10, 2010 | 09:06 PM
  #2  
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GNARKILL
 
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From: phoenix, az
doublepost

or should i just remove the OMP/oil injectors and block them off and run premix?
it is my DD so removing this and running premix, would cause me to fail arizona emmisions?
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Old Mar 10, 2010 | 09:26 PM
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That's a good plan. I'd test the oil injectors while everything is apart to make sure they flow freely. If the OMP lines are in good shape reuse them.
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Old Mar 10, 2010 | 09:40 PM
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Replacing the vac lines is usually a good idea.
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Old Mar 10, 2010 | 10:12 PM
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GNARKILL
 
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the OMP lines are fine, no leaks, cracks and are still relitively soft, but they suk
can i replace them with some vacum tubing or small fuel line or somthing?
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Old Mar 10, 2010 | 10:32 PM
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oh dear god....
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Old Mar 10, 2010 | 10:42 PM
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GNARKILL
 
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after removing the injectors i know i should replace the o-rings on them but should i replace the pintlecaps, upper an lower gromets, and air bleeds too?
the injectors are fine and all the seals dont leak at all.
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Old Mar 10, 2010 | 10:51 PM
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i just did that you, should replace everything that looks and feels old and brittle

how are the fuel lines to the rails from the filter?
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Old Mar 10, 2010 | 11:30 PM
  #9  
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GNARKILL
 
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From: phoenix, az
the line from filter to hard line is new the return hose is new and its cheap insurance some im gonna replace the rest since i bought it 6months ago and dont know if they have ever been changed or not.
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