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LS6 heads?

This is a discussion on LS6 heads? within the Internal Engine forums, part of the LSx Technical Help Section category; I've heard that LS6 head swaps are pretty common. I have an '01 T/A WS6 and my dad seems to ...

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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
    2001 Pontiac Trans Am WS6

    LS6 heads?

    I've heard that LS6 head swaps are pretty common. I have an '01 T/A WS6 and my dad seems to believe that it has LS6 heads on it. I know for a fact that it does have an LS6 intake manifold but I have no idea about the heads. Is there any way to tell without removing them from the car? I'm in the process of pulling the engine out right now but I was just wondering if there was a way to tell while it's just sitting there.

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    Member c5z28's Avatar
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    243=ls6 head
    241=ls1 head
    He might be confused, some of the 01,02 blocks were ls-6 but you don't see a power increase from that.

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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
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    Ok. Where would I find that number?

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    Member 02fbody35th's Avatar
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    2002 camaro 35th anv.

    on the front the passenger side bank head its cast into it.

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    Member c5z28's Avatar
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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
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    Ok cool. Thanks.

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    Member c5z28's Avatar
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    so what's the verdict?

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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
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    LS1, like I thought. My dad is just confused I guess.

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    Member Lawnboy's Avatar
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    a few like 10% 01-02 F-bodies got a LS6 block, not the LS6 (243) heads all 01-02 f-bodies and vetts recieved the LS6 intake .

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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
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    Quote Originally Posted by Lawnboy View Post
    a few like 10% 01-02 F-bodies got a LS6 block, not the LS6 (243) heads all 01-02 f-bodies and vetts recieved the LS6 intake .
    well how would i know if i have an LS6 block then?

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    Member Lawnboy's Avatar
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    it has a rough sand cast look, metal is darker gray, and the bullseye is different

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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
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    Quote Originally Posted by Lawnboy View Post
    it has a rough sand cast look, metal is darker gray, and the bullseye is different
    bullseye? i know, i'm a newb, lol. i dont have all of the terminology down yet. this is double the amount of cylinders that i'm used to working with, lol.

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    Member Lawnboy's Avatar
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    yeah the LS1 has a circle, most know of it being called a bullseye, it is where the cylinder head meets the block on the passneger side on the front top, look around you will see what i mean. The LS6 block doesnt have this

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    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
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    Quote Originally Posted by Lawnboy View Post
    yeah the LS1 has a circle, most know of it being called a bullseye, it is where the cylinder head meets the block on the passneger side on the front top, look around you will see what i mean. The LS6 block doesnt have this
    Oh, ok. Well I'll take a look at it tomorrow, lol. Thanks. I'm gonna go head and guess that it's an LS1 block though since it has LS1 heads.

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    Member Lawnboy's Avatar
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    I havent seen one LS6 block in a 01 or 02 , they say there out there. I alway check when ever someone has there hood up

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    2002 camaro 35th anv.

    can someone post a pic of this bulseye, i just checked and dont see it on my 02 camaro, just want to make sure im looking in the right area thanks

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    2010 Nissan Sentra SR dd
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    Quote Originally Posted by 02fbody35th View Post
    can someone post a pic of this bulseye, i just checked and dont see it on my 02 camaro, just want to make sure im looking in the right area thanks
    yes, please. i dont want to get confused or falsely excited if i cant find the bullseye either, lol.

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    Member Lawnboy's Avatar
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    it is in the corner of the front of the block and head , passeger side, it looks like a circle inside a circle

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    Member Lawnboy's Avatar
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    Scroll up, the picture C5Z28 posted has the bullseye, look to the right of the 241# on the cyclinder head , there is the circle the LS6 lock doesnt have this

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    Member 02fbody35th's Avatar
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    2002 camaro 35th anv.

    awesome, i just checked mine and its not their, their is just a kind of indent from the casting process, with like a sandy finish, not that its any more hp than the ls1 but its pretty neat to know i actually have an ls6 block

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