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

Need manifold pics

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Old 02-07-2009, 07:50 PM
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Default Need manifold pics

Need pics of manifold after eliminating egr and air pump. What manifold outlets get blocked. Getting ready to fire this bad boy. THANKS
Old 02-07-2009, 08:27 PM
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all the airpump crap except for the metal pipe that connects the two headers together






then i just went to the hardware store and bought two brass caps in the plumbing isle. i think they were 5/8in. so thats all you need to cap off for the airpump is the two connections on the headers. anything else just pull off




then for the EGR buy some block off plates for these. that long metal tube connects to the passenger side header

Last edited by Badazz 97 TA; 02-07-2009 at 08:34 PM.
Old 02-07-2009, 08:50 PM
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lol You know, M$ Paint DOES have nice circle/box and line tools

Alternatively you can leave the EGR connected, and remove the plumbing. That's what I did, since I didn't have the block off plates or the spare money (even if it's cheap) to buy em

If by chance you have a 93, it's a bit different on the back side, but only for the AIR tubes (that metal EGR line). I'll not bother explaining it though since it's not likely you do
Old 02-07-2009, 08:53 PM
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Here you go:

http://cgi.ebay.com/ebaymotors/93-97...QQcmdZViewItem
Old 02-07-2009, 09:45 PM
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I have the block off plates already,the problem is that I'm not sure what lines go to the small vacuum ports on the intake. Two on pass side and one on drive side also does the line coming out of the wiring harness hook to the fuelrail in back of manifold. Need some good pics of the manifold all hooked up. Ya dumbass didn't label everything. THANKS GUYS
Old 02-07-2009, 11:17 PM
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Originally Posted by 1fast432
I have the block off plates already,the problem is that I'm not sure what lines go to the small vacuum ports on the intake. Two on pass side and one on drive side also does the line coming out of the wiring harness hook to the fuelrail in back of manifold. Need some good pics of the manifold all hooked up. Ya dumbass didn't label everything. THANKS GUYS
This should cover everything...

Drivers side: Vacuum lines for the egr and egr solenoid, remove and cap off the port at the intake manifold.
http://shbox.com/1/egr1.jpg

Drivers side2: PCV hose (metal tube), vaccum line for the opti (the one with the blue check valve), and vacuum source for the egr. You should have removed the vacuum line for the egr as stated from picture 1. Leave the PCV hose and vacuum line for the opti in place.
http://shbox.com/1/pcv.jpg

Passenger side: You can remove all of this, except for the vacuum line to the fuel pressure regulator.
http://shbox.com/1/evap_sol.jpg

TB: The only one tube that needs to stay connected is the big top one for the oil ventalation to the valve cover. The middle one goes to the EVAP solenoid, and the bottom one is for the coolant passage (which you should have bypassed already).
http://shbox.com/1/tps.jpg
Old 02-08-2009, 01:01 AM
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Thanks tech fanatic just what i needed!!!!!!



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