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Thread: smog delete??

  1. #1
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    Default smog delete??

    I took the smog control pump off my car.How do i get rid of the EGR valves on both sides?
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    There are egr delete plates you purchase that go in place of the vavke and lines

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    http://www.ebay.com/bhp/lt1-egr-block-off-plates

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    Do you think he may possibly mean the AIR check valves sitting on top of each exhaust manifold? If that's what you mean, unscrew the fittings from the manifold, and use M22-1.5 oil drain plugs, with copper gasket, to block the holes in the manifold. M22 only works on 93-95. Dual-cat manifolds are closer to 18mm.

    http://www.cgenterprises.com/drain_plugs_metric.htm
    SOLD - GONE TO A (VERY) GOOD HOME ! - 94 Formula A3+1: 381ci forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / CC solid roller / TH400+GearVendors OD / 4.11 Strange 12-bolt / 300-shot N2O / Spohn Suspension / roll bar / MoTeC M48 Pro engine management system /a few other odds 'n ends.

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    Good call!

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  6. #6
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    Quote Originally Posted by Injuneer View Post
    Do you think he may possibly mean the AIR check valves sitting on top of each exhaust manifold? If that's what you mean, unscrew the fittings from the manifold, and use M22-1.5 oil drain plugs, with copper gasket, to block the holes in the manifold. M22 only works on 93-95. Dual-cat manifolds are closer to 18mm.

    http://www.cgenterprises.com/drain_plugs_metric.htm
    Thats it,Dont they screw into the EGR valves or not?But that what im after.Thanks for the help/
    BEAVER

    94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!


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    Courtesy of Shoebox

    EGR valve:

    http://shbox.com/1/egr1.jpg

    AIR check valves:

    http://shbox.com/1/diverters.jpg

    94 F-Body and up the AIR and EGR are two totally different and separate systems. 93 uses some common plumbing, but that's only because the systems never operate at the same time.

    Here is an M22 drain plug in the AIR connection on a header.
    Attached Images Attached Images
    Last edited by Injuneer; 07-12-2013 at 04:47 PM.
    SOLD - GONE TO A (VERY) GOOD HOME ! - 94 Formula A3+1: 381ci forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / CC solid roller / TH400+GearVendors OD / 4.11 Strange 12-bolt / 300-shot N2O / Spohn Suspension / roll bar / MoTeC M48 Pro engine management system /a few other odds 'n ends.

  8. #8
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    The air check valve M22 plug is the way I went.

    Thanks
    BEAVER

    94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!


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