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Ls1 to ls2

This is a discussion on Ls1 to ls2 within the General Help forums, part of the LSx Technical Help Section category; Hey guys I'm just wondering. I have a 00 ss m6 and I been thinking bout do some work to ...

  1. #1
    Senior Member 98maro's Avatar
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    00 camaro ss M6 #6695

    Ls1 to ls2

    Hey guys I'm just wondering.
    I have a 00 ss m6 and I been thinking bout do some work to the motor. Ls6 heads, cam (small cam, ls6 chain, pushrods lifters ls6 intakesnd all that
    But I was thinking bout just to swap a ls2 in there.
    Will that work?
    Can I use the stock tranny?
    Will thT pass the emissions ?
    What you guys think should be the best option
    Thanks
    00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
    next to come,4.10s,ls7 clutch, ms3 or 228r cam, ported 243s, ls6 intake, ls6 oil pump. ls2 timing chain, longtube headers no cats, with a tune..
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    Senior Member 98maro's Avatar
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    00 camaro ss M6 #6695

    ???

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    King 0f n00bz shady milkman's Avatar
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    you can swap a ls2 in no problem..you will need to make sure and buy the conversion harnesses as some sensors are relocated and different . the only thing i would be concerned about is being a 98...our PCMs are a little different. best to ask frost in a pm if there are any issues 98 pcm related to swapping to a Gen IV motor

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    None Shall Pass Knight's Avatar
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    Quote Originally Posted by shady milkman View Post
    you can swap a ls2 in no problem..you will need to make sure and buy the conversion harnesses as some sensors are relocated and different . the only thing i would be concerned about is being a 98...our PCMs are a little different. best to ask frost in a pm if there are any issues 98 pcm related to swapping to a Gen IV motor
    He said he has a '00 ss. But I'd still ask Frost as I'm thinking the PCM will need setup for the LS2.

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Knight View Post
    He said he has a '00 ss. But I'd still ask Frost as I'm thinking the PCM will need setup for the LS2.
    shit good looking ^ i saw his name and his car listed as a 98..my bad


    you are right tho. the ls2 will require a tune

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    None Shall Pass Knight's Avatar
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    Quote Originally Posted by shady milkman View Post
    shit good looking ^ i saw his name and his car listed as a 98..my bad


    you are right tho. the ls2 will require a tune
    You made me look twice too

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    Senior Member 98maro's Avatar
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    00 camaro ss M6 #6695

    Thanks for the replies

    Yes it's for my 00 ss
    I take the harnes kit from a car with the ls2 or buy new kit?

    The ls2 will fit with the stock motor mounts or I have to make modifications?

    I'm I'm Cali. So will that be legal for the smog check?

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    None Shall Pass Knight's Avatar
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    You can use the pcm you have in the car now - you just need it retuned so it knows it's running a ls2 instead of a ls1. As for the smog testing - IDK. You may need to consult with a tuner on that one. I dont' know how different the emissions are from a ls1 to a ls2.

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    Senior Member 98maro's Avatar
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    I'm gonna contact frost and see what he says
    I'll be doin the smog check this week I will ask
    If it pass the emissions with ls2 I will defenetly get that

    Wat could be the best. Ls2 or ls6?
    They have almost the same hp

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    King 0f n00bz shady milkman's Avatar
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    emissions shouldnt be a issue as the ls2 is a production engine..and that mostly depends on your exhaust. there a kits available to buy. for simplicities sake just buy the kit. speartech sells them i am pretty sure. the motor mounts like normal.


    the ls2 is a better platform in terms of a building platform. as it can be made into a 414ci and is a GenIV. where as the ls6 is a gen III and can only be make into a 383..if you dont plan on modding at all ..a ls6 would be good as it is cheaper and a driect bolt in basically.

    the ls2 is hands down better if you want to mod it at all. there is no replacement for displacement

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    Senior Member 98maro's Avatar
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    00 camaro ss M6 #6695

    How much the kit goes for?

    I like the ls6 cuz it's the heart from the zo6 or ctsv
    And I knw it has some power

    Ls2 I like it cuz it's newer
    I will do some mods to the motor. Probably ported heads and a cam. Not to big of a cam
    And I will get some LT with high flows

    So what souls be the best one for that?
    Ls6 heads is a good upgrade for ls2?

  12. #12
    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by 98maro View Post
    How much the kit goes for?

    I like the ls6 cuz it's the heart from the zo6 or ctsv
    And I knw it has some power

    Ls2 I like it cuz it's newer
    I will do some mods to the motor. Probably ported heads and a cam. Not to big of a cam
    And I will get some LT with high flows

    So what souls be the best one for that?
    Ls6 heads is a good upgrade for ls2?
    omg the ls2..no question..i believe the kits range from 300-600

  13. #13
    Senior Member 98maro's Avatar
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    Shit kinda pricey lol

    On the ls2 just portin out the heads is a good upgrade or ls6 heads flow better?

  14. #14
    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by 98maro View Post
    Shit kinda pricey lol

    On the ls2 just portin out the heads is a good upgrade or ls6 heads flow better?
    you should do a little research. the 243s are on both the ls2 and the ls6. the difference being that the ls6 243s have the light weight valves. besides that the casting is the same.

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    Senior Member 98maro's Avatar
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    I knew they were bolt ons on ls1 too
    But I didn't knw they were the same as the ls6

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    O U 8 1 2 Spaz's Avatar
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    1999 trans am

    Quote Originally Posted by shady milkman View Post
    you can swap a ls2 in no problem..you will need to make sure and buy the conversion harnesses as some sensors are relocated and different . the only thing i would be concerned about is being a 98...our PCMs are a little different. best to ask frost in a pm if there are any issues 98 pcm related to swapping to a Gen IV motor
    as far as i have read the 98 pcm will not work with a ls2... i tihnk gmhtp mag did a swap recently and went with a pcm from a wrecked 99...

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Spaz View Post
    as far as i have read the 98 pcm will not work with a ls2... i tihnk gmhtp mag did a swap recently and went with a pcm from a wrecked 99...
    ahh good to know...i planned on a 99 pcm swap anywho

  18. #18
    Senior Member 98maro's Avatar
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    Way bout the PCM on the 00 ?
    Will that work

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by 98maro View Post
    Way bout the PCM on the 00 ?
    Will that work

  20. #20
    Senior Member 98maro's Avatar
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    Lol
    Thanks
    So I dnt need the harness kit right?
    Or I still need it

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