4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

do i really need a t/b an plenum?

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Old Jun 4, 2008 | 06:05 AM
  #1  
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inkedup75
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Default do i really need a t/b an plenum?

is this really a need? doin some reading on here an some say it really makes no diff, i have an intake on it know. BUT i do plan on ordering a wet kit for a 100 shot an the window switch. do you need a wot switch also? thanks
Old Jun 4, 2008 | 02:16 PM
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Default RE: do i really need a t/b an plenum?

You will get a little better throttle response with the TB & plenum. If you're gonna spray, then yeah you should get a WOT switch.
Old Jun 4, 2008 | 04:26 PM
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Default RE: do i really need a t/b an plenum?

yes i felt a little gains from my t/b and plenum, but you def. get better throttle response....i would buy a WOT switch so you dont have to hold the button down
Old Jun 4, 2008 | 04:48 PM
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Default RE: do i really need a t/b an plenum?

TB and Plenum with intake combination is a great mod. Def noticable!!!
Old Jun 4, 2008 | 11:54 PM
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Default RE: do i really need a t/b an plenum?

i like mine made it feel new again
Old Jun 4, 2008 | 11:59 PM
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Default RE: do i really need a t/b an plenum?

Every little bit adds up to a big difference.

Driving a stock one after mine the stock feels like a turd.

After you install a tb/plenum you definately feel the throttle response and it feels better up high in the rpms.
Old Jun 5, 2008 | 12:06 AM
  #7  
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Default RE: do i really need a t/b an plenum?

Garbage in / Garbage out... You get out what you put in...
Old Jun 5, 2008 | 03:01 AM
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Default RE: do i really need a t/b an plenum?

You will def notice some in the higher rpm range as well as throttle response....I did! I want a intake manifold as well. I think I am going to just go with the trickflow because they make pretty nice parts...although there is alot of companies that make them....oh and one more thing since you do have an intake manifold aftermart, odds are inlet to it is 75mm therefore with a 75mm TB and everything being the same size I would not see why it would not help the air flow in its journey...or at least thats what I think! What kind of intake manifold do you have or do you just have the upper intake plenum?
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