TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Injector advice?

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Old Dec 21, 2010 | 01:36 PM
  #1  
G-reg's Avatar
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From: Manitowoc, WI
Car: 90 Camaro
Engine: 350 tpi
Transmission: t56
Axle/Gears: 4.10
Injector advice?

Two questions.

1) - What injectors came stock on a 1990 305 tpi? Some threads said 18, some said 19.

2) - Will the stock size injectors be enough on a 305 tpi running an LT4 hotcam, 1.6 lift and trick flow 175cc intake heads? Or if I'm replacing them should I go bigger?
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Old Dec 21, 2010 | 07:38 PM
  #2  
Mirocz87's Avatar
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Joined: May 2007
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From: Lansing, MI
Car: 1988 Formula
Engine: 305 TPI
Transmission: t-5
Re: Injector advice?

Iv only ever seen 19# injectors on a stock 305 TPI.
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