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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; Really , i like to see a picture of that , that it awasome, and i would think your car ...

  1. #21
    Member Lawnboy's Avatar
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    01 SS Built LS6 740RWHP

    Really , i like to see a picture of that , that it awasome, and i would think your car is worth more.

  2. #22
    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
    2001 Pontiac Trans Am WS6

    Quote Originally Posted by 02fbody35th View Post
    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
    Dude, that's pretty badass. Since you've got the 35th aniversary edition, I'm sure that's why you have the LS6 block. Definitely post a pic up.

  3. #23
    I don't sell out! blackSS01's Avatar
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    Quote Originally Posted by Lawnboy View Post
    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
    I got one
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  4. #24
    I don't sell out! blackSS01's Avatar
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    Why do people not get their facts straight about LS1 < LS6 block.
    Even Sarge has agreed. This is straight from a performance build book for Gen III's and some other medias



    Google can be your friend and search can be your friend but the LS6 makes more power. I have all the info but not accessible at the moment. Here is what I know off hand....

    A: LS6 Block is stronger
    B: LS6 Block is slightly different color (Darker in color)
    C: #12561168 part number for the LS6 block found behind the Driver side head ( will need a mirror and some good angles to see, easiest when the head is off)
    D: LS6 block has 87% more ventilation versus an LS1 block between the rod/crank webbing resulting in decreased crankcase pressure and increased piston ring sealing.
    E: 15% of 2001's got the LS6 block, 25% of 2002 got the LS6 block
    F: LS6 block is made with different aluminum, which is why the color difference. Increases strength and weights less then LS1
    G: Power increase over LS1 is said to be between 5 - 15 rwhp depending on who you talk to.
    H: LS6 block has approximately 500 more usable RPM's due to the ventilation.
    I: LS6 uses a different casting process then the LS1 resulting in tighter tolerances all around.
    J: LS6 has better oil flow at higher RPM's resulting in less internal wear.

    Thats all I can remember off hand. YOU WANT THE LS6 if you can find it, far superior block. I was lucky enough to find out I had one when I pulled the Heads off to do my H/C.

    Part number for LS6 intake off of F-Body is #12561184
    Part number for LS6 intake off of Z06 is #12573572
    Last edited by blackSS01; 03-22-2010 at 03:34 PM.

  5. #25
    Member 02fbody35th's Avatar
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    red
    2002 camaro 35th anv.

    how do i post pics from my personal picture library, i wont to share my ls6 block pic

  6. #26
    Member 02fbody35th's Avatar
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    red
    2002 camaro 35th anv.

    ok i think i got it,

  7. #27
    Member 02fbody35th's Avatar
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    red
    2002 camaro 35th anv.

    i tried uploading from my pics to an attachment but it is telling me their is an upload error is their another way i can post my pics

  8. #28
    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
    2001 Pontiac Trans Am WS6

    Upload them to photobucket. Then copy the IMG code it provides and just paste it in the message box.

  9. #29
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    2010 Nissan Sentra SR dd
    2001 Pontiac Trans Am WS6

    Quote Originally Posted by blackSS01 View Post
    I got one
    pics?

  10. #30
    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
    2001 Pontiac Trans Am WS6

    Quote Originally Posted by blackSS01 View Post
    Why do people not get their facts straight about LS1 < LS6 block.
    Even Sarge has agreed. This is straight from a performance build book for Gen III's and some other medias



    Google can be your friend and search can be your friend but the LS6 makes more power. I have all the info but not accessible at the moment. Here is what I know off hand....

    A: LS6 Block is stronger
    B: LS6 Block is slightly different color (Darker in color)
    C: #12561168 part number for the LS6 block found behind the Driver side head ( will need a mirror and some good angles to see, easiest when the head is off)
    D: LS6 block has 87% more ventilation versus an LS1 block between the rod/crank webbing resulting in decreased crankcase pressure and increased piston ring sealing.
    E: 15% of 2001's got the LS6 block, 25% of 2002 got the LS6 block
    F: LS6 block is made with different aluminum, which is why the color difference. Increases strength and weights less then LS1
    G: Power increase over LS1 is said to be between 5 - 15 rwhp depending on who you talk to.
    H: LS6 block has approximately 500 more usable RPM's due to the ventilation.
    I: LS6 uses a different casting process then the LS1 resulting in tighter tolerances all around.
    J: LS6 has better oil flow at higher RPM's resulting in less internal wear.

    Thats all I can remember off hand. YOU WANT THE LS6 if you can find it, far superior block. I was lucky enough to find out I had one when I pulled the Heads off to do my H/C.

    Part number for LS6 intake off of F-Body is #12561184
    Part number for LS6 intake off of Z06 is #12573572
    wow, never knew all that. now i'm hoping and praying i have an LS6 block, lol.

  11. #31
    Member 02fbody35th's Avatar
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    red
    2002 camaro 35th anv.

    ok finally here we go,]

  12. #32
    Member Lawnboy's Avatar
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    Black
    01 SS Built LS6 740RWHP

    looks like a LS6 block, check the # on the back, use a mirror like nightmareWS6 said.

    OK Nightmare do u know anything bout the 04 LS6 block????

    I have one in my 01 SS and some very interesting things were found out about it during the build while it was at merkel racing engines, hes a top notch race enging builder here on longisland

  13. #33
    I don't sell out! blackSS01's Avatar
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    2001 Camaro SS M6



    Thats when we pulled the motor to do H/C/supporting mods. It was a nice find for sure

  14. #34
    Member Lawnboy's Avatar
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    01 SS Built LS6 740RWHP

    thats a LS6 all right

  15. #35
    I don't sell out! blackSS01's Avatar
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    2001 Camaro SS M6

    I broke down the numbers a bit and if my calculations are right and the break down guide I used was right........ My car is 1 of 100 built in 01, not #1 but some where of only 100, if that makes sense.

    EDIT: I just re-checked and I may have did my math wrong. Now I am getting 1 of 20 built
    Last edited by blackSS01; 03-22-2010 at 08:58 PM.

  16. #36
    Member Lawnboy's Avatar
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    01 SS Built LS6 740RWHP

    so how manny F-bodys got a LS6???

  17. #37
    I don't sell out! blackSS01's Avatar
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    Quote Originally Posted by Lawnboy View Post
    so how manny F-bodys got a LS6???
    Its just the block, crank/heads/etc... are all still LS1's but its 15% of 2001's and 25% of 2002's got the block. It was caused because of shortages of LS1 blocks and excess LS6 blocks. 98's,99's, and 00's didn't get them.

  18. #38
    Member Lawnboy's Avatar
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    01 SS Built LS6 740RWHP

    I have a 04 lS6 block , the best out of all the LS 5.7 blocks!

  19. #39
    Knight Rider KnightmareWS6's Avatar
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    2010 Nissan Sentra SR dd
    2001 Pontiac Trans Am WS6

    Quote Originally Posted by Lawnboy View Post
    looks like a LS6 block, check the # on the back, use a mirror like nightmareWS6 said.

    OK Nightmare do u know anything bout the 04 LS6 block????
    Someone else said that, lol. I'm an F-body newb and know very little, lol.

  20. #40
    Member Lawnboy's Avatar
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    01 SS Built LS6 740RWHP

    My 04 LS6 Block uses the shorter LS2 studs, studs or bolts dont go into the water jackets, this = more metal and a stronger block!

    The 04 block i have also uses LS2 rear cover . From what we know , i have pretty much a LS2 block with 5.7 holes, i could be wrong but it did require some LS2 parts.

    It was the first one my maching shop seen after building 10 years + of these motors

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