Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

3.1l to a 5.7l

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Old Dec 29, 2011 | 06:41 AM
  #1  
Hunter0075's Avatar
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Joined: Feb 2011
Posts: 21
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From: virginia beach va
Car: 91camaro Rally, work in progress
Engine: 5.7 350. 400hp 400ftlb torq
Transmission: turbo 350
Axle/Gears: stock rs rear, 3.23.
3.1l to a 5.7l

I have a 91 rally which came with a 3.1. I put in a 350 5.7 was carb, now I'm making fuel injection. I was told my orginial dash will work BUT I will need to change the tach converter from a v6 to a v8 because it reads 3 pluse were a 8 reads 4. Where can i purchase a coverter.
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Old Dec 30, 2011 | 01:09 PM
  #2  
zenish's Avatar
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Joined: Dec 2000
Posts: 1,271
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From: stallings,n.c.
Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: 3.1l to a 5.7l

try this. https://www.thirdgen.org/forums/elec...ach-fixed.html
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