TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Name this TBI :)

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Old Sep 4, 2003 | 01:34 AM
  #1  
jimbo69's Avatar
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From: Forest Grove OR
Car: 91 Firebird
Engine: 305 tbi - 122k
Transmission: 5 speed
Name this TBI :)

Would take some cutting and assembly, but would not be two difficult.
Attached Thumbnails Name this TBI :)-tbody2low.jpg  
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Old Sep 4, 2003 | 03:06 AM
  #2  
91rs4life's Avatar
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From: Alsip, IL (southwest chicago burbs)
Car: The rs is no more :(
Engine: the 2.8L in my LT
Transmission: 700r4
is it...... a holley annihilator
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Old Sep 4, 2003 | 09:09 AM
  #3  
snflupigus's Avatar
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From: Tempe, AZ
Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
not too difficult. LMAO!!!

goodluck LOL.

even if you get the two put together, manage the fuel.

not gona happen. but its not a new idea.
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Old Sep 4, 2003 | 12:10 PM
  #4  
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I just glanced at first and it looked like the bottom of a q-jet. Then noticed the throttle cable hookups on both sides.
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Old Sep 4, 2003 | 02:14 PM
  #5  
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From: Alsip, IL (southwest chicago burbs)
Car: The rs is no more :(
Engine: the 2.8L in my LT
Transmission: 700r4
I think a q jet has larger choke plates on the rear barrels.
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Old Sep 4, 2003 | 02:48 PM
  #6  
nick harmon's Avatar
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From: institute, wv
Car: 91 RS
Engine: LO3
Transmission: T-5
Qjet?

come on guys a Qjet dont even come close to resembling a holly of any type that i am aware of and carb are all i know right now. im from wv we know carbs. but im ready for fuel injection! d@#n cant get my smillies to work.
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Old Sep 4, 2003 | 02:50 PM
  #7  
91rs4life's Avatar
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Joined: Jul 2003
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From: Alsip, IL (southwest chicago burbs)
Car: The rs is no more :(
Engine: the 2.8L in my LT
Transmission: 700r4
uncheck the box that says disable smilies.
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Old Sep 4, 2003 | 02:58 PM
  #8  
nick harmon's Avatar
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From: institute, wv
Car: 91 RS
Engine: LO3
Transmission: T-5
smillies

thanks for the reply. if its the box that says {disable smillies in this post} it is unchecked, so idunno whats up.
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Old Sep 5, 2003 | 12:59 AM
  #9  
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From: Forest Grove OR
Car: 91 Firebird
Engine: 305 tbi - 122k
Transmission: 5 speed
The smilies don't show up in the subject line.

It's just two standard tbi carbs. After much consideration I've deduced that I can't duplicate the idle mixture valve
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Old Sep 5, 2003 | 06:12 AM
  #10  
nick harmon's Avatar
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From: institute, wv
Car: 91 RS
Engine: LO3
Transmission: T-5
ill be d@#ned

it really looked like a holley to me. i need my eyes checked
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Old Sep 5, 2003 | 06:16 AM
  #11  
nick harmon's Avatar
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From: institute, wv
Car: 91 RS
Engine: LO3
Transmission: T-5
hey wonderfull idea though.kudos for cheap inovative thought
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Old Sep 5, 2003 | 06:02 PM
  #12  
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
I'll give you ALL a big hint.
Try cutting the OTHER side of the TB and butting them up together so that you retain your MAP vacuum, your injector pods, and IAC passage. Put a couple breathers on your valve covers, remove the AIR system and bye bye cruise control.
What you'll have is a 4 barrel TBI with 4 injectors. Now for the tricky part.... getting the throttle blades to open opposite direction to resemble a 4 barrel carb/EFI throttle body.
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Old Sep 5, 2003 | 06:14 PM
  #13  
brodyscamaro's Avatar
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From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
is that photoshopped?

lol j/k
WAY better then i can do, trust me...
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Old Sep 5, 2003 | 06:24 PM
  #14  
jimbo69's Avatar
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From: Forest Grove OR
Car: 91 Firebird
Engine: 305 tbi - 122k
Transmission: 5 speed
Did it in paint brush , if you turned it around that may work ok, but I wanted the stock vacuum lines. Also if it was turned around the throttle blades would be turned around. But is that necessary?

I'll hack out another one here shortly, anyone know what the diminsions are for a holley square intake is. I got one off of ebay but it's not here yet.
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Old Sep 7, 2003 | 03:50 AM
  #15  
91rs4life's Avatar
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From: Alsip, IL (southwest chicago burbs)
Car: The rs is no more :(
Engine: the 2.8L in my LT
Transmission: 700r4
see dumbasses like me don't pay too much attention to things like spray can lines and what not. nice job. I'm dumb as ****. Now that I look at it I can see every little line. You should put together a puzzle book or something of optical illusions. The one thing I did notice right away was the bolt hole locations. I thought, " hmm that's wierd. what kind of intake would that go on?"
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