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TBI to TPI

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Old Feb 10, 2004 | 08:52 PM
  #1  
Crokiller187's Avatar
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Joined: Dec 2003
Posts: 37
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From: M'boro TN
Car: 89 Camaro RS
Engine: 305 TBI LT-1 Cam/TBI Chip
Transmission: Automatic
TBI to TPI

Alright guys I know I havent posted much but. I am considering changing from TBI to TPI. I already have a person willing to sell me everything I need for the swap for $300. Its for my 89 Camaro RS 305 TBI. I was wondering what kind of HP/TQ number I could be expecting.
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Old Feb 10, 2004 | 10:01 PM
  #2  
david roush's Avatar
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Joined: Sep 2001
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From: Mechanicsburg,Pa usa
Car: 92'Camaro RS
Engine: a loud one
Transmission: bolted to the engine
I read on a post earlier, can't remember who's it was, but thier Dad went from TBI to TPI on a 305 and he said it was dyno'd before and after and he picked up around 21 hp and 50 to 60 ft lbs of torque. Not real positive on the exact numbers, but i know i am real close.
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