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Ls6 valley covers! What is the difference

This is a discussion on Ls6 valley covers! What is the difference within the Internal Engine forums, part of the LSx Technical Help Section category; Two part numbers what is the difference. Going on my 2001 Z28 and would like to know if there is ...

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    2001 CAMARO Z/28

    Exclamation Ls6 valley covers! What is the difference

    Two part numbers what is the difference. Going on my 2001 Z28 and would like to know if there is any difference, or which one can i not use.

    12577927

    12568002 this one is on the ls1 how to.

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    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    Quote Originally Posted by 1QWKZ View Post
    Two part numbers what is the difference. Going on my 2001 Z28 and would like to know if there is any difference, or which one can i not use.

    12577927

    12568002 this one is on the ls1 how to.
    You want the first number listed. The last one is the valley cover for 01-03 which still uses an external pcv the 27 number is 04-up which uses the pcv inside the cover

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    no interference issues with this cover?

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    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    Quote Originally Posted by 1QWKZ View Post
    no interference issues with this cover?
    yes it fits just like the other one did so if you have an ls1 block you need to notch it if you have the ls6 then it will just drop in

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    cool, i wonder why this part is cheaper? but will have to notch out my block. Thanks fo info!!

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    Spaz is My Mentor SMWS6TA's Avatar
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    you may not have to, you may be one of the lucky 01's that got a LS6 block.

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    Not this time, uncovered it hoping for LS6 block, but will have to notch it out. Brother is very detailed, will have him knock it out! while i order the cover. anyone order from GMparrts direct? how fast is their shipping time?

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    should i put new oring gaskets on the intake?

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    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    Quote Originally Posted by 1QWKZ View Post
    should i put new oring gaskets on the intake?
    you dont need to they are re-useable as per gm I've taken my intake off many times and never had an issue but if it makes you feel better go ahead. you will however need the new steam vent tube gaskets which can be found in the dorman help section

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    and these go where? is this where the aluminum tube is mounted onto the block in front of where the intake goes?

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    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    Quote Originally Posted by 1QWKZ View Post
    and these go where? is this where the aluminum tube is mounted onto the block in front of where the intake goes?
    yessir.... you may be able to get away without removing the vent tubes to swap the valley cover but having them there isnt a bad idea seeing as theyre like 6 bucks

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    Spaz is My Mentor SMWS6TA's Avatar
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    Quote Originally Posted by 1QWKZ View Post
    Not this time, uncovered it hoping for LS6 block, but will have to notch it out. Brother is very detailed, will have him knock it out! while i order the cover. anyone order from GMparrts direct? how fast is their shipping time?
    Mine came fairly quick however that was almost 2 yrs ago. Not sure if it's something in high demand.


    I also notice that Pontiac was dropped from their site, I've asked why but have not received a reply yet.


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