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

What's the best TBI kit available?

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Old Jan 21, 2025 | 04:23 PM
  #1  
Vhanta97's Avatar
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From: Colorado
Car: 1984 Camaro Berlinetta Starship Ed.
Engine: Worn out SBC 305 5.0L V8
Transmission: 700R4
Axle/Gears: Stock
What's the best TBI kit available?

What is the most bang-for-your-buck TBI Kit available? I know there's Holley's Sniper kit but that's a bit pricey for my project. Rn I've got my eyes on ACE's Killshot kit but curious if there something better or cheaper.
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Old Jan 21, 2025 | 10:25 PM
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From: Minnesota
Car: 1969 firebird, 1986 Trans Am,
Engine: 461,305TB
Transmission: T-10,700r4
Axle/Gears: 3.55,2.73
Re: What's the best TBI kit available?

I have not used them but Howell used to sell an oem retro kit
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Old Oct 5, 2025 | 10:54 AM
  #3  
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From: Florida
Car: 91 Chevy 1/2 ton P/U
Engine: Built 355
Transmission: 700R4
Axle/Gears: 3.08
Re: What's the best TBI kit available?

Rochester 2" 220 off a 454. In stock form they flow almost 650 CFM. I'm running one in $0D on a 355 with 10.2:1 comp, ported aluminum Vortec port heads, Lunati FT cam, long tubes and 3" exhaust. Once I get it completely dialed in I should be making just shy of 400 HP/450TQ.
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Old Oct 6, 2025 | 05:25 PM
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Schurkey's Avatar
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Re: What's the best TBI kit available?

The LAST thing you want is a bottom-feeder Communist Chinese retrofit kit with questionable support to assist you with lousy product.
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