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.

LO5, anyone used one?

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Old Aug 16, 2002 | 04:21 PM
  #1  
dmair5_0's Avatar
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From: Appleton, WI. 54914
Car: 91 Firebird
Engine: L03
Transmission: Auto
LO5, anyone used one?

Maybe its just me, but it seems that an Lo5 350 would be a great swap in a 3rd gen F-body for a little more giddie up. Wouldn't be a monster, but would feel much stronger than the L03. Anyone done this swap? Know someone who has? Seems to be pretty straight forward, am I wrong?
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Old Aug 16, 2002 | 04:57 PM
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flyway190's Avatar
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From: Dallas, TX
I have it, had an LG4 before though. I just swapped it in a few weeks ago. An LO3 to LO5 would probably go more smoothly than my swap, which was pretty easy.

If you want details on my swap and some results, check out this post:
LG4 to Goodwrench 350 swap
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Old Aug 16, 2002 | 08:29 PM
  #3  
iroc22's Avatar
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From: Surrey, BC
A L05 swap is very popular with guys on the TBI board. There has been many swaps in the past.
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Old Aug 19, 2002 | 08:25 AM
  #4  
dmair5_0's Avatar
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From: Appleton, WI. 54914
Car: 91 Firebird
Engine: L03
Transmission: Auto
Hey, thanks a lot flyway! I would love to see your track times, post em here as soon as you got em alright? For a complete engine swap, that doesn't seem too bad. I wouldn't be able to do it myself, but with a little help, it may be possible. Thanks again.
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Old Aug 19, 2002 | 09:58 AM
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flyway190's Avatar
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From: Dallas, TX
will do
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Old Aug 24, 2002 | 12:51 PM
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flyway190's Avatar
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From: Dallas, TX
For some reason my car was idling weird but it seemed to race ok (probably my intake manifold acting up).

R/T..........0.814
60'..........2.577
330'........6.860
1/8.........10.407
MPH........68.90
1000......13.499
1/4.........16.110
MPH........84.61

Certainly not spectacular, but a full second and 5 mph faster than my old engine. Once I fix all of the problems on my car (EGR, intake manifold), it'll probably be down in the 15's. Also, I was running 93 octane fuel and 1/2 tank of gas.
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