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slp lid or slp flo pac????

This is a discussion on slp lid or slp flo pac???? within the Firebird / WS6 forums, part of the Vehicle Specific category; hi guys this my frist post im new to this i just bought a 1999 trans am ws6 the only ...

  1. #1
    Junior Member riceeaterws6's Avatar
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    slp lid or slp flo pac????

    hi guys this my frist post im new to this i just bought a 1999 trans am ws6 the only mods are an slp loudmouth but my ? is will a lid really help my performance as much as everyone says or do most people use the slp flo pac thanks

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    Moderator Firebirdjones's Avatar
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    Welcome....

    I believe the flow pac you refer to is the air duct under the lid. I have the duct work under the lid on one car,,,,and the free ram air on the other car,,,,and they both work just as effectively. With that said, I'd suggest saving a little money and do the free ram air mod without the duct if that's what you want to do.

    Either way, a lid is a cheap and effective mod that you'll see on nearly every 4th gen nowadays.

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    Junior Member riceeaterws6's Avatar
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    yep thats what is now what is the free ram air mod and will it make my engine light come on or hurt the engine in any way? sorry like I said im new to this thanks

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    Your friendly policeman FinZ28's Avatar
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    Quote Originally Posted by Firebirdjones:2773590
    Welcome....

    I believe the flow pac you refer to is the air duct under the lid. I have the duct work under the lid on one car,,,,and the free ram air on the other car,,,,and they both work just as effectively. With that said, I'd suggest saving a little money and do the free ram air mod without the duct if that's what you want to do.

    Either way, a lid is a cheap and effective mod that you'll see on nearly every 4th gen nowadays.
    +1

    I'd definitely go with the lid or something equivalent to it. I have the SLP lid and cold air duct underneath it.
    2001 Chevy Camaro Z28 A4
    SLP cold air intake/lid, SLP smooth bellow, Pacesetter LT's, ORY, Magnaflow exhaust, BMR STB, adjustable Panhard rod, SFC's, LCA's, 1LE sway bars, cross-drilled rotors

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    Junior Member riceeaterws6's Avatar
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    what is the free ram air mod and will make my engine light come on sorry like i said im new to this thanks

  6. #6
    Junior Member riceeaterws6's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    Welcome....

    I believe the flow pac you refer to is the air duct under the lid. I have the duct work under the lid on one car,,,,and the free ram air on the other car,,,,and they both work just as effectively. With that said, I'd suggest saving a little money and do the free ram air mod without the duct if that's what you want to do.

    Either way, a lid is a cheap and effective mod that you'll see on nearly every 4th gen nowadays.
    what is the free ram air mod and will make my engine light come on sorry like i said im new to this thanks

  7. #7
    Junior Member riceeaterws6's Avatar
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    what is the free ram air mod and will make my engine light come on sorry like i said im new to this thanks

  8. #8
    Moderator Firebirdjones's Avatar
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    Free ram air mod is simply opening up a hole under the lid. Doesn't cost anything but your time.

    Isn't there a sticky here somewhere guys that explain a step by step?? Or could someone please link the instructions here??

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    Junior Member riceeaterws6's Avatar
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    thanks firebird jones

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    Your friendly policeman FinZ28's Avatar
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    Here you go.

    http://installuniversity.com/ls1/install-documents/install-documents.html

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    Moderator Firebirdjones's Avatar
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    Thanks Fin,,,,I knew there was something floating around that explained it.

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    Your friendly policeman FinZ28's Avatar
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    Quote Originally Posted by Firebirdjones:2774097
    Thanks Fin,,,,I knew there was something floating around that explained it.
    No problem.

  13. #13
    Junior Member riceeaterws6's Avatar
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    finz28 u da man thanks

  14. #14
    Your friendly policeman FinZ28's Avatar
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    Quote Originally Posted by riceeaterws6:2774142
    finz28 u da man thanks
    Lol, no problem!

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    Member Redrokit8's Avatar
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    While on the subject of a lid, I installed an SLP last week, along with smooth bellows, and true to what I had heard it works great but the quality of fit is s###. I first took black duct tape and covered the open seams. Then I took the weather stripping you would use for a door, sticky on one side and foam on the other, and laid that over the tape. It now is perfectly sealed and the foam strip kinda reminds you of the old days Ram Air and hides the tape. You'll scratch your head a few times when you first see it. Pretty funny because the uninitiated think it's some kind of trick.
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    The trick to the SLP lid is that it must be positioned behind the lip of the lower air box in order to fit correctly.

  17. #17
    Member Redrokit8's Avatar
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    Quote Originally Posted by pajeff02 View Post
    The trick to the SLP lid is that it must be positioned behind the lip of the lower air box in order to fit correctly.
    I hear you Jeff. Even installing this way I had numerous open seams. Whether it would leak unfiltered air in or not, I felt it would't hurt to seal it up for peace of mind.

  18. #18
    Member 95cam86roc's Avatar
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    While we are on this topic... I just picked up a SLP lid/MAF and I have a 92mm TB going on my new motor. Will the SLP bellow fit the TB?
    Last edited by 95cam86roc; 05-14-2012 at 06:29 PM.

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