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Are these the right parts?

This is a discussion on Are these the right parts? within the External Engine forums, part of the LSx Technical Help Section category; im going to be installing pacesetter headers and a td exhaust soon and was wondering if these are the right ...

  1. #1
    2-Legit-2-Quit bgable's Avatar
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    Are these the right parts?

    im going to be installing pacesetter headers and a td exhaust soon and was wondering if these are the right parts:

    Locking Bolts: 114-8900 Stage 8 Locking Header Bolts, LS1,-2,-6,Gen III (Hex)

    GM Gaskets: 20-12558809 GM LS1 Cylinder Head gasket, graphite, passenger side
    20-12558810 GM LS1 Cylinder Head gasket, graphite, driver side

    O2 extensions(2):135-O2EXT-4S-12 Oxygen Sensor Extension, 12" Square 4-Pin $22.50

    EGR Block off: 20-12558346 GM EGR Delete Plug for LS1 intake manifold ,1998-2000 LS1 f-body/truck
    20-12557932 GM LS1 EGR Seal $10.29

    MSD Wires: 17-32819 MSD 8.5mm Super Conductor Spark Plug Wires, Red

    NGK Plug: 50-TR55 NGK TR55 Spark Plugs, Stock heat range, gapped at .050


    is this everything i need?

  2. #2
    Life in the Fast lane sunsetorangess's Avatar
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    Looks good the only thing i would add is a few 3" Band clamps unless your having the system welded. i would say 3 or 4 of them.

  3. #3
    2-Legit-2-Quit bgable's Avatar
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    its a custom made system so they get to take care of all that

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    Just me Y2KPewterSS's Avatar
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    List looks good.
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    Veteran 0rion's Avatar
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    looks to me like you have the wrong gaskets. You don't want head gaskets, you want manifold gaskets.

  6. #6
    Veteran 0rion's Avatar
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    exhaust gasket part number 12617944 you'll need 2. GMPartsdirect has them for $8 a piece. You can also use an adjustable freeze out plug for the intake manifold and save some dollars. I'll have to look up the size or do a search because I've listed it on here before. I think it's 1 3/8" but I'd have to look it up and you get it at any parts store.
    You'll need a block off for the exhaust manifold also, I'll have to look those up too but thunder carries them. You can cut your own block off out of metal if you have the means. Just trace the egr tube onto a sheet of metal and cut it out then drill holes...whola....block off plate. You'll need a gasket for the egr port on the headers if your stock gasket is shot, those are graphite so it'll most likely flake all to hell on you when you pull it.
    What are you doing about the a.i.r. system? Keeping it or getting rid of it because you'll need block offs and gaskets for that too. Give me a little while and I'll make a list up for you.

  7. #7
    2-Legit-2-Quit bgable's Avatar
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    yah im getting rid of the air system also if u could put a list together I would appreciate it greatly

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    Just me Y2KPewterSS's Avatar
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    He got the race headers IIRC Orion, he shouldn't need a blockoff for anything except the EGR and he can use the plug like you mentioned. Good catch on the head gaskets

  9. #9
    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by gable2000ta View Post
    yah im getting rid of the air system also if u could put a list together I would appreciate it greatly
    Your list is good except you don't want head gaskets

    You want the manifold gaskets from gmdirect that Orion mentioned. You could avoid buying the EGR blockoff as well.

  10. #10
    Veteran 0rion's Avatar
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    ahhh, I wasn't aware they were race style headers. Yup, just block off the intake, don't put head gaskets where the manifold gaskets go, and you should be good to go. The plug size is 1 3/8".

  11. #11
    2-Legit-2-Quit bgable's Avatar
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    so the hex shape bolts are the right ones? N that's all the EGR block stuff I need just get the manifold gasket instead of the head gaskets?

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