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Engine swaps?

This is a discussion on Engine swaps? within the Firebird / WS6 forums, part of the Vehicle Specific category; Sorry if this has been covered or whatever(couldn't find what I was looking for in search??) but what engines can ...

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    Member Firebird Phoenix's Avatar
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    Engine swaps?

    Sorry if this has been covered or whatever(couldn't find what I was looking for in search??) but what engines can and have been swapped into our 4th gen firebirds???

    Also what are the differences between the ls1 and the other ls..(what are they even up to now?) and are they possible to swap in?? Just wondering...thanks.

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    Slow'er'Ass Mr. Luos's Avatar
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    Any LSx will fit.

    Some require a few harness changes.

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    Member Firebird Phoenix's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    Any LSx will fit.

    Some require a few harness changes.
    What about the computer?? Or will a tune just have to obviously been done??

    What are the differences between the LSX's?? As far as HP and so on.

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    Slow'er'Ass Mr. Luos's Avatar
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    No offense, but with as many as there are, I am not going to type it all out.
    I have an LQ9 (truck block) in my car. Stock computer, stock sensors.

    Unless you need some crazy fuel management, the stock computer will need a tune and that should do it.
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    Quote Originally Posted by Firebird Phoenix View Post
    What are the differences between the LSX's?? As far as HP and so on.
    Wikipedia has some general information on the LS engines. Just type "GM LS engines" into the Wikipedia search engine.

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    Member C&Cbird's Avatar
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    The differences in the stock lsx motor power wise is that they range from about 280 hp to over 500 hp, actually over 600 if you count the new ZR1 vette.

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    Member Since 1998 Mecinoid's Avatar
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    I'm just wondering how the smog goes on these swaps?

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by Mecinoid View Post
    I'm just wondering how the smog goes on these swaps?
    Most of the LSx motors will pass emissions testing in stock form.

    As far as I know, the headers all bolt up the same to any of the heads. Although to be honest, I haven't researched all the newer versions.

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    WS6 Rice Extermination MaxPlusTen's Avatar
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    hmm since its kinda simular to what i was gonna ask in another thread anyways. What would be involved in swapping an LSx motor (probably a 2) into a 97 LT1 car (keep in mind its obd2 so it has the correct diag. port) A4 transmission? my list so far goes harness, bell housing, tourque converter and headers/y-pipe

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    Quote Originally Posted by MaxPlusTen View Post
    hmm since its kinda simular to what i was gonna ask in another thread anyways. What would be involved in swapping an LSx motor (probably a 2) into a 97 LT1 car (keep in mind its obd2 so it has the correct diag. port) A4 transmission? my list so far goes harness, bell housing, tourque converter and headers/y-pipe
    sell it and buy a ls1 car you gotta change so much it just wouldnt be cost effective

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    Member Speed Psychosis's Avatar
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    ^ same here. would be much cheaper. plus imo ls1 front looks much better.

    as far as engines, i wouldnt be surprised if you could fit a bugatti engine in the car. our engine bays are huge.

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    Member C&Cbird's Avatar
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    Wow, you think 4th gen engine bays are huge? No offense, but how many engine bays have you seen? 4th gen engine bays are tiny compared to older muscle cars. I guess you haven't seen a veyron's engine? That thing is massive.

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    Quote Originally Posted by C&Cbird View Post
    Wow, you think 4th gen engine bays are huge? No offense, but how many engine bays have you seen? 4th gen engine bays are tiny compared to older muscle cars. I guess you haven't seen a veyron's engine? That thing is massive.
    Hell even compare it to a current GTO.. you can practically have a party in the GTOs bay.. ours.. if you can get your hands down to TOUCH your spark plugs you're talented..
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    Slow'er'Ass Mr. Luos's Avatar
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    Yeah....a small block LSx is a VERY tight fit in our cars.
    And the LSx is fairly small.


    Quote Originally Posted by Silver Streak View Post
    if you can get your hands down to TOUCH your spark plugs you're talented..
    I have skills.

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    Member C&Cbird's Avatar
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    Yeah, I forgot about the GTO's. Try reaching # 7 or 8 spark plugs to change them, its insane. I can have all 8 of the spark plugs changed on my '71 Cuda in the time it takes to change on of the rear plugs on my Trans Am, I really hate working on it.

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    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    Quote Originally Posted by C&Cbird View Post
    Yeah, I forgot about the GTO's. Try reaching # 7 or 8 spark plugs to change them, its insane. I can have all 8 of the spark plugs changed on my '71 Cuda in the time it takes to change on of the rear plugs on my Trans Am, I really hate working on it.
    Its almost to the point that it would be faster to pull the engine to do a tune up..

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    I wonder sometimes....

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    Senior Member Redphoenix1998's Avatar
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    Hey I pulled my engine 4 times already and it's still faster to do it the other way Ye si have a method and it takes me less than an hour.

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by Redphoenix1998 View Post
    Hey I pulled my engine 4 times already and it's still faster to do it the other way Ye si have a method and it takes me less than an hour.



    45 minutes for a plug change here.
    With the stupid ass'd temp. sender in the way on the passenger side head.

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    Got an LS7/L92 heads combo here. Stock PCM. Just need to get the 98-02 LS1 reluctor wheel to make it work. And a few extension harnesses.

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