LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Deleting Emisson Stuff

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Old Aug 16, 2009 | 07:00 AM
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Question Deleting Emisson Stuff

Im replacing the Intake Gasket so why not the EGR is messed up so im gonna delete it all and make cleaner engine bay. I got Intake Manifold off and the EGR stuff off already. What needs to be Caped off?
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Old Aug 16, 2009 | 07:24 AM
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A lot of guys fabricate their own block off plates...I just went with this one http://www.umiperformance.com/catalo...roducts_id=178 Good luck!
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Old Aug 16, 2009 | 08:58 AM
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Originally Posted by 1996firebirdformula
Im replacing the Intake Gasket so why not the EGR is messed up so im gonna delete it all and make cleaner engine bay. I got Intake Manifold off and the EGR stuff off already. What needs to be Caped off?
the open holes where you took the egr off. lol basically the two things on the back and the passenger side header. and the little vacuum port on the driver side intake
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Old Aug 16, 2009 | 01:56 PM
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yes thats for the egr portions only, if you have the air pump you can get rid of that crap too and cap off the header tubes....but you will need to tune/ edit out the egr stuff or you will have ses light on
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Old Aug 17, 2009 | 02:55 PM
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Originally Posted by robsquikz28
yes thats for the egr portions only, if you have the air pump you can get rid of that crap too and cap off the header tubes....but you will need to tune/ edit out the egr stuff or you will have ses light on
The caps for the headers are 5/8" Flared Brass Plumbing Caps at Home Depot.
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Old Aug 17, 2009 | 03:47 PM
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Thanks for all help guys. I just got the Blockoff Plates from Ebay for $9.95. From R&D Speed.
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Old Aug 17, 2009 | 03:49 PM
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Originally Posted by 1996firebirdformula
Thanks for all help guys. I got the Blockoff Plates from Ebay for $9.95. From R&D Speed.
You should have gone with the UMI block off plates, as when you get them the one that goes on the header is way to thin. It wont seal for ****. You will either have to get another one or weld up the hole on the headers
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Old Aug 17, 2009 | 05:52 PM
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Originally Posted by djjab57
You should have gone with the UMI block off plates, as when you get them the one that goes on the header is way to thin. It wont seal for ****. You will either have to get another one or weld up the hole on the headers
Says to use the High Temp RTV to seal it up.
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Old Aug 17, 2009 | 05:59 PM
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I did that, 3 times before i gave up and ordered the thicker one from UMI
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Old Aug 17, 2009 | 06:16 PM
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Originally Posted by djjab57
I did that, 3 times before i gave up and ordered the thicker one from UMI
Did you let it sit for 24 hours so it could cure?
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Old Aug 17, 2009 | 06:42 PM
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all 3 times, Its not my dd i only drive it on nice weekends. So yes i let it sit for at least 24 hours, one time 48. the problem was there is only one bolt holding it on and its so thin. And if you try to tighten it up to much to bottom end will just start bending up
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Old Aug 30, 2009 | 02:48 PM
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Well got it all done. I got the Headers caped but what about the Pipe beside header holes?
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Old Aug 30, 2009 | 08:27 PM
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I capped the Header ones. does this pipe beside the headers need to be capped also Guess its going to the Air Pump?
Attached Thumbnails Deleting Emisson Stuff-1.jpg   Deleting Emisson Stuff-2.jpg  
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Old Aug 30, 2009 | 09:03 PM
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yah actually that pipe can be removed completely instead of capping it..

are these pics from your engine or some you found? you said "headers"..pics are stock manifolds..
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Old Aug 30, 2009 | 09:05 PM
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I wanna know how to remove that pipe too. do i need to take the fans,radiator,belt and waterpump to make it easier?
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Old Aug 30, 2009 | 09:22 PM
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taking that stuff off isnt gonna help..i have another thread going right now where we're discussing that pipe lol...everyone says they just cut it..it looks like if you removed the oil cooling lines..you MIGHT be able to finagle it out..but i think i'm just gonna cut mine tomorrow
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Old Aug 30, 2009 | 09:27 PM
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There is no way to remove the pipe without destroying it (unless you want to pull the entire engine). I had to cut mine in two places with a Dremel.
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Old Aug 31, 2009 | 07:09 AM
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Is it ok to just leave it uncapped im not gonna mess with it anymore?
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