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Air removal

This is a discussion on Air removal within the External Engine forums, part of the LSx Technical Help Section category; Can anyone give me a better picture of its location? I'm going through the header install sticky steps and that ...

  1. #1
    Member blackbird0230's Avatar
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    Air removal

    Can anyone give me a better picture of its location? I'm going through the header install sticky steps and that picture is hard to see.

    Also when I remove it I read there is an electric pump behind the driver headlight which I can get to from underneath...CORRECT?

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    Member Lawnboy's Avatar
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    Yes correct, disconect it and remove it , remove all the AIR hoses, its real eazy, but it might through a SES light your tuner can turn that right off

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    Member blackbird0230's Avatar
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    Quote Originally Posted by Lawnboy View Post
    Yes correct, disconect it and remove it , remove all the AIR hoses, its real eazy, but it might through a SES light your tuner can turn that right off
    Since I bought non egr/air headers I don't need a block off plate for anything right? So since I have no idea what this air thing is and its not going back on the headers, could I leave it in the car for now or do I have to remove it right now?

    I understand about the tune, I have it in the plan.

    This may be a far cry for help but do you happen to know the spark plug gap off the top off your head?

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    Member Lawnboy's Avatar
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    yes you can leave the pump in the car , i would get the rubber hoses removed, it will clean up under the hood a bit, looks cleaner without them,

    Plugs Stock AC delcos are about 50-60
    NGK TR55 or TR6 40 no blower 30-35 blower,

    I would Get the NGK IX irridoum's nice plugs, my car runs smoother with them

    and you can run them on a supercharged/turbocharged LS1

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    Pull the fuse for the pump and it won't come on.

    That's what I did til I got around to taking it all out.

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    remove the pump under fuse boxes..........4 10mm bolts.......remove hoses from exh manifolds......remove hoses from air pump.....remove diverter valve , its that the plastic thingy where all the hoses meet on top on the drivers side valve cover.....the metal bracket that holds the DV is held down by a 10mm on a valve cover bolt and a 15mm on the back of the head.....the 15mm is a PITA but can be removed.............think GEARWRENCH......the DV has a vacum hose....pull off and cap......pull fuses for air pump......all done

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    silver
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    Member blackbird0230's Avatar
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    thanks guys! this should be a damn sticky for those who have no idea what it is

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    Member Lawnboy's Avatar
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    good idea pull the fuese

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    Here is a complete write up on this topic with pics: Secondary Air: Diagnosing and Removal

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    Quote Originally Posted by blackbird0230 View Post
    thanks guys! this should be a damn sticky for those who have no idea what it is
    It is. See the above post.

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    Member Lawnboy's Avatar
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    if you have long tube headers it might take longer for your O2's to heat up without the air pump, this will give you a rich idel and stumble at a stop comming off the clutch.

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    mines a auto...........but i feel no diff since the headers and air removal at idle or cold

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    Member Lawnboy's Avatar
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    my friend had a really poor idel at cold start up,

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