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

Anybody know what this is?

Old Apr 21, 2008 | 07:15 PM
  #1  
91 RS Drop Top's Avatar
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From: Montgomery, AL
Car: 91 RS Convertible
Engine: 350 TBI
Transmission: Stock Automatic-for now
Axle/Gears: 3.23 posi
Anybody know what this is?

Anybody know what the heck this is, and more importantly if It's worth a crap? Any power to be gained from it? I saw it on ebay while looking at cold air intakes.

Hypertech Power Charger TBI Air Intake Chevy GM

http://cgi.ebay.com/ebaymotors/Hyper...QQcmdZViewItem

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Old Apr 21, 2008 | 08:33 PM
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bigj350's Avatar
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From: Henry,IL
Car: 88Fbird,88Formula,04 GP,04 Durango
Engine: LO3,L98,3800,HEMI
Transmission: 700r4, 4l60e, 545rfe
Re: Anybody know what this is?

I've never heard of it, but I'm thinking all it does is replaces the stock tbi spacer ring. You can probably get the same results from getting non drop air cleaner and getting rid of the spacer. But I could be wrong.
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Old Apr 21, 2008 | 10:13 PM
  #3  
slow_90firebird's Avatar
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From: Manchester, CT + Nashua, NH
Car: 90 Firebird Formula
Engine: LO3
Transmission: T5
Axle/Gears: 3.08 one wheel peel
Re: Anybody know what this is?

I think thats for the truck applications. I dont think it fits under an F-body hood.

No idea if there are actual gains.
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Old Apr 22, 2008 | 03:45 PM
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From: wisconsin
Re: Anybody know what this is?

most likely unshrouds the injectors. my spacer(stock TBI truck) just lifts the base to allow throttle shaft and cable to clear base.
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Old Apr 22, 2008 | 11:56 PM
  #5  
topless89's Avatar
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From: Tempe Az
Car: 89 RS Convertible
Engine: 305 tbi
Transmission: 700R4,B&M friction,Transgo shiftkit
Axle/Gears: 2.73 LSD
Re: Anybody know what this is?

i've seen it used in an article CHP. they did a few bolt-ons to an old truck. In the article they said that thing actually improved performance.
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