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Egr removal

This is a discussion on Egr removal within the External Engine forums, part of the LSx Technical Help Section category; I have a '98 WS6 with cam, headers, and off-road Y-Pipes. My cam installer totally removed my EGR. What is ...

  1. #1
    Junior Member midnitejam's Avatar
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    1998 WS6

    Egr removal

    I have a '98 WS6 with cam, headers, and off-road Y-Pipes. My cam installer totally removed my EGR. What is the advantage with removing the EGR?

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    Veteran 0rion's Avatar
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    cleaning up the engine bay is probably the best argument for removing it. The end of the egr tube does stick down into the air stream so there's a tiny bit of help there. Horsepower wise the gains are very very small.

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    Junior Member midnitejam's Avatar
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    Red
    1998 WS6

    Thanks.

    2001 Pueter WS6-Auto RagTop | (Grocery Wagon)
    1998 Red WS6 | RagTop | (Boy Toy)
    Moser 9-inch | 4.56 gears| Long Tube Hdrs | Off-Road Y-Pipes
    Loudmouth 1 cats | Trick Flow Cam | .238/.242 | .595/.595 | 112 lsa
    Front:285x30x17 Firestone | Rear: 315x30x18 MT Dr's C5 Vette Wheels

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    Veteran 0rion's Avatar
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    did you get tuned afterwards? There's an egr adder table that needs to be zero'd out......if not you'll get tip in knock under certain circumstances and it'll pull timing.

  5. #5
    Junior Member midnitejam's Avatar
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    Quote Originally Posted by 0rion View Post
    did you get tuned afterwards? There's an egr adder table that needs to be zero'd out......if not you'll get tip in knock under certain circumstances and it'll pull timing.
    Hey, that gives me more to think about. Haven't had a verified tuneup since cam install and egr removal. A program for another LS1 with my mods was downloaded to my engine.
    Pull timing? I've noticed no knock, but yes, under certain circumstances I have experienced timing loss. I have electric cutouts and there were two occasions where I did a hard roll-on in 2nd gear with cutouts open and acceleration was way less than expected.

    I'm currently awaiting price quotes from a local performance shop on a clutch install and dyno tune. Should have quotes by tomorrow Noon.

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