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Egr block off kit?

This is a discussion on Egr block off kit? within the External Engine forums, part of the LSx Technical Help Section category; What are the pros and cons of egr block off kitt? does it really add hp or does it heart ...

  1. #1
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    Egr block off kit?

    What are the pros and cons of egr block off kitt? does it really add hp or does it heart it in the long run?

  2. #2
    Pathelogical Liar BlackLT1Z28's Avatar
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    No gains, just cleans up the engine bay a bit.

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    Getting pulled over! bostonz28's Avatar
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    yep just for looks but I only took mine off cuz I installed longtubes and it came with the egr blockoff plates so I decided to delete the system. For egr cars tho u need to eitha get a 1 3/4 freeze plug from autozone or buy blockoff plates online or make them yourself, i did the $1 freeze plug. The otha thing is you need to get a tune/comp to delete the egr so you dont throw a code/ses light. I'm driving around though without the tune delete so it can be done...
    Final Solution: Dont waste your time unless your doin longtubes because my car has run just as well with it on

  4. #4
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    A stuck open EGR valve would be a good reason to replace as well.

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    Member speedracer25f's Avatar
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    Im going to delete the EGR and AIR this weekend. After I take the tubes off the manifolds where do they run behind the motor? Is there alot to take off back there?

  6. #6
    Rice Hungry GottaHaveLS1's Avatar
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    no there's nothing to take off back there. the tubing just travels to the back on the intake manifold and i don't think it's even attached back there. i also made my own block off plates which saved some cash. I also bought a $3 plug at autozone to fill the hole in the intake.

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    Senior Member splitfinger09's Avatar
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    Quote Originally Posted by GottaHaveLS1 View Post
    no there's nothing to take off back there. the tubing just travels to the back on the intake manifold and i don't think it's even attached back there. i also made my own block off plates which saved some cash. I also bought a $3 plug at autozone to fill the hole in the intake.
    The tube is not attached back there. There is a vacuum line however that attaches to the back of the manifold. The arrow is where the line attaches. I took it off and just put a vacuum cap on it. to the OP.


  8. #8
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    79 T/A -91 Firebird
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    I do believe 98s dont have that.. Mine looks a lot different .BTW

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    Senior Member splitfinger09's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    I do believe 98s dont have that.. Mine looks a lot different .BTW
    Right on, all my info is off a 2000...

  10. #10
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    79 T/A -91 Firebird
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    Ill post pics of all my junk sometime.. but i love that hose in the pic that says ls1

  11. #11
    Rice Hungry GottaHaveLS1's Avatar
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    Quote Originally Posted by splitfinger09 View Post
    The tube is not attached back there. There is a vacuum line however that attaches to the back of the manifold. The arrow is where the line attaches. I took it off and just put a vacuum cap on it. to the OP.

    Click for full size
    hmm, i wonder if mine has that... i'll have to check tomorrow.

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    Member BlueMagicSS's Avatar
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    Quote Originally Posted by bostonz28 View Post
    yep just for looks but I only took mine off cuz I installed longtubes and it came with the egr blockoff plates so I decided to delete the system. For egr cars tho u need to eitha get a 1 3/4 freeze plug from autozone or buy blockoff plates online or make them yourself, i did the $1 freeze plug. The otha thing is you need to get a tune/comp to delete the egr so you dont throw a code/ses light. I'm driving around though without the tune delete so it can be done...
    Final Solution: Dont waste your time unless your doin longtubes because my car has run just as well with it on

    Since I'm planning on puttin on my LT's as soon as my car gets out the shop this week... I'm wondering if I will be able to skip a week or two without the tune if I'm planning on deleting the EGR??? I've heard that it will ping because of the retarded timing when EGR is supposed to open.... is this true???

  13. #13
    Rice Hungry GottaHaveLS1's Avatar
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    yea u can skip a week or two without a tune. my car needed a tune since last august when i got the headers on but it was off the road from sept through april. i took air and egr off last week and i've had no problems... just the SES light is on.

  14. #14
    Member BlueMagicSS's Avatar
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    SES light is already on, so I guess that won't bother me too much... are there any step by step instructions on EGR and AIR removal??? Sorry To Hi-Jack the thread...

  15. #15
    Rice Hungry GottaHaveLS1's Avatar
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    i've seen some write ups but i didn't pay much attention to it. the air pump is under the drivers side headlight behind the front bumper. just make or buy the plates and ur all set.

  16. #16
    Senior Member splitfinger09's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    Ill post pics of all my junk sometime.. but i love that hose in the pic that says ls1
    lol I know...I noticed that too.

  17. #17
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    I know the writeup would be somewhat different from the early years to the later years.. but...heres mine.

    1. Remove EGR pipe from manifold..buy 1 3/8 expansion plugs and fill the giant hole in the intake..
    2. remove the EGR valve itself.
    3. Remove the EGR bracket.
    4. Remove the EGR to exhaust manifold tube and block off.
    5. Remove both Air tubes and block off manifold
    6.Take off the rock guard where you change the DRL bulb. Start removing the four bolts that hold in the pump...then remove the bracket that the pump sits in.

    thats about it.. did it laying on the ground without any jacks or stands.

  18. #18
    Member BlueMagicSS's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    I know the writeup would be somewhat different from the early years to the later years.. but...heres mine.

    1. Remove EGR pipe from manifold..buy 1 3/8 expansion plugs and fill the giant hole in the intake..
    2. remove the EGR valve itself.
    3. Remove the EGR bracket.
    4. Remove the EGR to exhaust manifold tube and block off.
    5. Remove both Air tubes and block off manifold
    6.Take off the rock guard where you change the DRL bulb. Start removing the four bolts that hold in the pump...then remove the bracket that the pump sits in.

    thats about it.. did it laying on the ground without any jacks or stands.

    Pretty simple... I guess my main concern is what do I do with the wires??? or what did everyone else do??? Thanks everyone for all your help

  19. #19
    Impounded
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    79 T/A -91 Firebird
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    I just taped off the connectors and shoved all that shit back up in there and ziptied it off.

  20. #20
    Member BlueMagicSS's Avatar
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    COOL... thanks for the help!!


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