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Benefits of a LS2 in a Trans Am?

This is a discussion on Benefits of a LS2 in a Trans Am? within the General Help forums, part of the LSx Technical Help Section category; As some of you may know, I'm on my 3rd motor. But the last time I threw it together and ...

  1. #1
    She-Member jrbonds's Avatar
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    Benefits of a LS2 in a Trans Am?

    As some of you may know, I'm on my 3rd motor. But the last time I threw it together and used my old oil pump...this time everything will be brand new.

    So my question is.....what are the benefits, if any, of going with the LS2 over the LS1? I considered the lq9/4, but honestly a iron block seems to be best for forced induction, which is a path I will not wanting to take.

    I've done some research, but got no real pro's or con's with putting the ls2 in my Bird.

    I know the bore size is bigger, maybe good for a few extra HP. Any other things that make it better?
    Last edited by jrbonds; 01-09-2012 at 07:33 AM.

  2. #2
    Senior Member TLS_Addict's Avatar
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    Honestly Jodi I think you will really enjoy the LS2 along with your 6-speed. It make more torque down low and has a higher RPM limit. (remember to tune for the 6500-6600 rpm limit). You will have more low end torque for cruising in taller gear for mileage as well.

    One thing, a lot of LS2 engines drink oil. So make sure you check that regularly to see if this is one of those.

    I honestly see nothing wrong with the engine. If it were me I would try to put an LS6 intake on it as the LS2 is not as good. Its flow numbers are actually lower than the LS6 and on par with the LS1.

    Also, it has 243 heads (same as LS6) but they wont have the sodium filled valves. Its cam is almost identical to the 2001 Z06/LS6 (.525-ish lift).

    It was only in production for 2005, 2006, and 2007 but its a very good engine.
    Last edited by TLS_Addict; 01-09-2012 at 10:32 AM.

  3. #3
    She-Member jrbonds's Avatar
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    Cool. My TA came with the LS6 intake and 243 heads. But it will be a fresh rebuild and I'm thinking of a mild cam. Plus texas speed sells all the necessary harness stuff.

    I just want something different. Thanks for the input Dan!

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    Senior Member TLS_Addict's Avatar
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    Your T/A came with 241 heads.

    The 2002-2004 LS6 cam with those 243 heads, higher compression, and increase in ci will give some good power but honestly I would go with more cam. Get in the .575-.585 region. But then again you may lose some low end torque who not much.

  5. #5
    She-Member jrbonds's Avatar
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    Ok. I knew it was 24something heads. Brenden helped me pick a cam out. I'll find it later and post the numbers.


    Ok. It doesn't show the numbers. Texas Speed 228r cam kit.
    Last edited by jrbonds; 01-09-2012 at 01:40 PM.

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    Senior Member cpop98ws6's Avatar
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    Thats a good cam choice Jodi, you will see some good numbers and still be able to DD the car.

  7. #7
    She-Member jrbonds's Avatar
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    Thanks. I told Brenden (wickedls1) what I wanted and thats what he came back with. I wanted to use that company because they had everything else I needed and I dislike multiple orders. So, thats what I'm getting. If it hampers my DD capabilities, I'm going to hurt him. jk

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    Moderator 35th-ANV-SS's Avatar
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    I'll second the 228r cam choice. A proven performer for a DD.
    It's on jackstands.

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    Senior Member TLS_Addict's Avatar
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    You will have a nice running car.

    Girl + T/A + thumpy cam = lots-o-smiles

  10. #10
    She-Member jrbonds's Avatar
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    Quote Originally Posted by TLS_Addict:2736288
    You will have a nice running car.

    Girl + T/A + thumpy cam = lots-o-smiles
    Great, just what I need...more attention. Lol.

    I'm pretty excited. I really hope it exceeds my expectations.

  11. #11
    Moderator 35th-ANV-SS's Avatar
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    That is where you screwed up...and it involves everything in life.

    Never have any expectations...that way you can never be let down.

    See what I did there?

  12. #12
    She-Member jrbonds's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    That is where you screwed up...and it involves everything in life.

    Never have any expectations...that way you can never be let down.

    See what I did there?
    Yes I see what you did there.

    But, after the chaotic year I just had, I want to be excited about something.

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