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.

305TBI to 350TPI

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Old Dec 4, 2000 | 08:46 PM
  #1  
Black_Widdow's Avatar
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From: Albany, GA.
Car: 05 GTO, 88 GTA, 98 SS
305TBI to 350TPI

what's involved in this swap? What all do I need besides the engine itself?
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Old Dec 4, 2000 | 10:08 PM
  #2  
Project 92 RS's Avatar
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From: Fort Rucker, AL
Car: 1992 RS
Engine: 5.0
Transmission: auto
Axle/Gears: 3.08
look in the tech articles
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Old May 27, 2004 | 04:52 PM
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Abird4u2nv1's Avatar
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From: Springfield, MO
Car: 89 Firebird Formula(Totalled), 91 C
Engine: Mild 350
Transmission: 700R4
Axle/Gears: 2.73 :-(
Project 92 RS look in the tech articles


That would be feasible if there was a tech article for that
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Old May 27, 2004 | 04:54 PM
  #4  
pasky's Avatar
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
Oi, asked too much its one of the most common swaps, since you already have a v8 car its actually pretty damn easy:

Wiring harness.

Thats it, tuh duh.
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Old May 27, 2004 | 06:12 PM
  #5  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
There's more to it than that. You need to increase fuel pressure via a different in-tank pump. And change the ECM. Along with the entire induction change. Different radiator/heater hoses. Different throttle cables.
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Old May 28, 2004 | 12:39 PM
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by Abird4u2nv1

That would be feasible if there was a tech article for that
Look harder next time

TBI to TPI swap
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Old May 28, 2004 | 12:48 PM
  #7  
JR92z28's Avatar
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From: Houston, TX.
Car: 1994 Z28
Engine: 5.7 LT1
Transmission: T56
lol,

That post was 4 years ago!
Someone brought it back from the dead....

I wonder if that article was there 4 years ago, ya think?
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