4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

installing plenum

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Old Jun 18, 2007 | 10:56 PM
  #1  
99gtstang's Avatar
99gtstang
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Default installing plenum

there is no egr gasket there was not one when i took original off either? Get one or go metal to metal?
Old Jun 18, 2007 | 10:59 PM
  #2  
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Default RE: installing plenum

A gasket is probally not a bad idea... i think you would most likely spring a leak with the metal to metal idea. just my .02
Old Jun 19, 2007 | 12:05 AM
  #3  
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99gtstang
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Default RE: installing plenum

oh well i put it on just for the hell of it. and yes i am getting that whistl from somewhere when i give it gas.

Not sure where yet.

Does anybody know where i can find a IAC gasket, and a EGR valce gasket?

Thanks
Old Jun 19, 2007 | 12:06 AM
  #4  
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Default RE: installing plenum

Dude the whistle is probably the load of air rushing into your manifold.
Old Jun 19, 2007 | 01:28 AM
  #5  
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Default RE: installing plenum

Its prob a leak between the TB and Plenum [&:]
Old Jun 19, 2007 | 03:01 AM
  #6  
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Default RE: installing plenum

Its probably just the new sound of the intake from the increased air flow. Unless it sounds "odd" haha! When I put my new bbk tb/plenum on it sounded quite a bit different, a lot louder suction sound.
Old Jun 19, 2007 | 03:02 AM
  #7  
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Default RE: installing plenum

Use a gasket, any air past the maf that leaks is going to cause problems.

E.
Old Jun 19, 2007 | 09:07 AM
  #8  
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99gtstang
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Default RE: installing plenum

ORIGINAL: Sap

Use a gasket, any air past the maf that leaks is going to cause problems.

E.
i can't find one
Old Jun 19, 2007 | 11:04 AM
  #9  
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Default RE: installing plenum

Just make one out of a cereal box or other piece of thin cardstock. Easy-peasy.
Old Jun 19, 2007 | 12:37 PM
  #10  
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Default RE: installing plenum

I think any hardware store would stock gasket maker material. It's just a big piece of gasket material and you can cut out the shape you need. Or you can get some silicone gasket material (that comes in tubes, can find it near thread lockers, etc.) but you need to make sure that you don't flood it with the silicone because it might seep quite a bit into the port and cause restriction of flow.



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