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

Plenum spacer

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Old 10-24-2007, 03:34 PM
  #1  
2000WhiteGT
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Default Plenum spacer

Not sure if this was asked before and if it was then I apologize but I did a search and didnt find anything.
I have been looking on the net for every possible mod for my GT. There is something called a Plenum spacer that claims to make 2 - 7 Hp for about $35. Anyone here done this yet? I know its not alot of HP but every little bit count right?
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Old 10-24-2007, 04:28 PM
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02 Ninja
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Default RE: Plenum spacer

Waste of money! Use that money for gas!
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Old 10-24-2007, 04:31 PM
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1fstblckgt
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Default RE: Plenum spacer

Doesnt give you an HP at all... might even take away a little bit. Its a trick they used on carb motors. Does absolutely nothing....
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Old 10-24-2007, 04:39 PM
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02WhiteGTVert
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Default RE: Plenum spacer

ORIGINAL: 2000WhiteGT

Not sure if this was asked before and if it was then I apologize but I did a search and didnt find anything.
I have been looking on the net for every possible mod for my GT. There is something called a Plenum spacer that claims to make 2 - 7 Hp for about $35. Anyone here done this yet? I know its not alot of HP but every little bit count right?
its a phenolic spacer. it's supposed to reduce the amount of heat transferred to the top of the induction system (air tube,TB,and plenum),but it doesn't work well because of the pastic lower intake.i bought one from Dallas Mustang (Hey,it was $20). didn't feel any difference.
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Old 10-24-2007, 08:30 PM
  #5  
SINISTER
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Default RE: Plenum spacer

Don't waste your money.
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